alias analysis - Page 150

Cannot get libcurl-devl on OpenSUSE 11.3

- by Dai

I have a server running OpenSUSE 11.3 that I can't really upgrade to a newer version of OpenSUSE (it's a managed appliance). I have some PHP shell scripts that need to run on the server that have a dependency on both cURL and OpenSSL. I discovered that the PHP 5.3.3 binaries on the server did not include OpenSSL but did include cURL I downloaded the latest PHP sources, extracted them, and ran ./configure --with-openssl --with-zlib --with-bcmath --with-curl --with-readline --with-libxml --enable-sockets This failed: the configure script complained that it couldn't find cURL: checking for cURL support... yes checking for cURL in default path... not found configure: error: Please reinstall the libcurl distribution - easy.h should be in /include/curl/ I tried to install libcurl by running zypper install libcurl-devl This failed too: doom:~/phpworksite/php-5.5.15 # zypper install libcurl-devl Loading repository data... Warning: Repository 'Updates for openSUSE 11.3 11.3-1.82' appears to outdated. Consider using a different mirror or server. Warning: Repository 'openSUSE_11.3_Updates' appears to outdated. Consider using a different mirror or server. Reading installed packages... 'libcurl-devl' not found in package names. Trying capabilities. No provider of 'libcurl-devl' found. Resolving package dependencies... Nothing to do. However, libcurl-devl is listed when I run zypper search curl. doom:~/phpworksite/php-5.5.15 # zypper search curl Loading repository data... Warning: Repository 'Updates for openSUSE 11.3 11.3-1.82' appears to outdated. Consider using a different mirror or server. Warning: Repository 'openSUSE_11.3_Updates' appears to outdated. Consider using a different mirror or server. Reading installed packages... S | Name | Summary | Type --+-----------------------------+----------------------------------------------------------+-------- i | curl | A Tool for Transferring Data from URLs | package | curlftpfs | Filesystem for mounting FTP hosts using FUSE and libcurl | package | libcurl-devel | A Tool for Transferring Data from URLs | package i | libcurl4 | cURL shared library version 4 | package i | perl-WWW-Curl | Perl extension interface for libcurl | package i | php5-curl | PHP5 Extension Module | package | python-curl | Python module interface to the cURL library | package | python-curl-doc | Documentation for python-curl | package | xmms2-plugin-curl | Curl Support for xmms2 | package | xmms2-plugin-curl-debuginfo | Debug information for package xmms2-plugin-curl | package doom:~/phpworksite/php-5.5.15 # Here are the current repositories. doom:~/phpworksite/php-5.5.15 # zypper repos # | Alias | Name | Enabled | Refresh ---+----------------------------------------------+----------------------------------------------+---------+-------- 1 | PHP_extensions_(openSUSE_11.3) | PHP_extensions_(openSUSE_11.3) | No | Yes 2 | Packman_11.3 | Packman_11.3 | Yes | Yes 3 | Updates for openSUSE 11.3 11.3-1.82 | Updates for openSUSE 11.3 11.3-1.82 | Yes | Yes 4 | openSUSE_11.3_OSS | openSUSE_11.3_OSS | Yes | Yes 5 | openSUSE_11.3_Updates | openSUSE_11.3_Updates | Yes | Yes 6 | openSUSE_BuildService_-_devel:languages:perl | openSUSE_BuildService_-_devel:languages:perl | No | Yes 7 | repo-debug | openSUSE-11.3-Debug | No | Yes 8 | repo-non-oss | openSUSE-11.3-Non-Oss | Yes | Yes 9 | repo-oss | openSUSE-11.3-Oss | Yes | Yes 10 | repo-source | openSUSE-11.3-Source | No | Yes BTW, I did try building PHP without cURL, however it broke a lot of things, so apparently I really need cURL. My question: how can I install libcurl-devl (or just install cURL) so that I can build PHP?

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ICC Cricket World Cup 2011- Free Online Live Streaming, Mobile Apps, TV and Radio Guide

- by Kavitha

The ICC Cricket World Cup 2011 will be hosted jointly by Bangladesh, India and Sri Lanka. This 10th edition of World Cup is held between 19 February-2 April 2011. The World Cup drive will be starting in Dhaka on 19 February with the inaugural match between India and Bangladesh. The 43 days long ICC World Cup Cricket 2011 event will host 49 matches, day matches starting as early as 9.30am IST and day-night matches starting at 2.30pm IST. Here is our guide to follow 2011 ICC Cricket World Cup live on your computers, televisions,mobiles and radios Free Live Streaming On The Web (Official & Unofficial) http://espnstar.com will live stream all the matches of World Cup 2011 and they will be available in HD quality as they are the official broadcasters of World Cup 2011 cricket event. This is the first time ever a world cup cricket event is streamed online officially. If you are not able to access the official live streaming of Cricket World Cup due to regional restrictions, point your browser to any of the following unofficial live streams on the web. NOTE: MAKE SURE THAT YOUR ANTIVIRUS and ANTIMALWARE software are up and running before opening any of these sites. crictime.com - this site offers 6 live streaming servers that offer World Cup 2011 Cricket matches streams. Don’t mind the ads that are displayed left,right and center and just enjoy the cricket. Web pages dedicated for the world cup streaming are already live and you can bookmark them for your reference. cricfire.com/live-cricket: cricfire gathers cricket live streams available around the web and provides them for easy access. Also they provide links for watching highlights and other post match analysis shows. Other sites that provide live streaming videos extracover.net webcric.com Searching for Unofficial Streams On Live Video Streaming Sites One of the best ways to find the unofficial streams is look for live streaming feeds on popular video streaming websites. We can be assured that these sites does not spread malware and spammy ads as they are well established. Here are the queries that you can use to search the popular sites FreedoCast http://freedocast.com/search.aspx?go=cricket%20world%20cup Justin.tv http://www.justin.tv/search?q=cricket+world+cup Ustream.tv http://www.ustream.tv/discovery/live/all?q=cricket%20world%20cup TV Channels That Telecast Cricket World Cup Live Even though web is the place where we spend most of our time for entertainment, TVs are still popular for watching sports events. Mostly 90% of us are going to follow this cricket world cup matches on television sets. Here is the list of TV channels that paid whooping amounts of money for broadcasting rights and going to telecast live cricket Afghanistan – Ariana Television Network: Lemar TV Australia – Nine Network, Fox Sports Bangladesh – Bangladesh Television Canada – Asian Television Network China – ESPN Star Sports Europe (Except UK & Ireland) – Eurosport2 Fiji – Fiji TV India – ESPN Star Sports, Star Cricket, DD National (mostly India matches alone) Ireland – Zee Cafe Jamaica – Television Jamaica Middle East – Arab Radio and Television Network Nepal – ESPN Star Sports New Zealand – Sky Sport Pacific Islands – Sky Pacific Pakistan – GEO Super, Pakistan Television Corporation Pan-Africa – South African Broadcasting Corporation Singapore – Star Cricket South Africa – Supersport, Sabc3 Sport Sri Lanka – Sri Lanka Rupavahini Corporation United Kingdom – Sky Sports HD USA – Willow Cricket, DirecTV, Dish Network West Indies – Caribbean Media Corporation Radio Stations That Provide Live Commentary Don’t we listen to radio? Yes we still listen to radios, especially when we are on the go. Radios are part of our mobiles as well as music players like iPods. Here are the stations that you can tune into for catching live cricket commentary Australia – ABC Local Radio Bangladesh – Bangladesh Betar Canada , Central America – EchoStar India – All India Radio Pakistan, United Arab Emirates – Hum FM Sri Lanka – FM Derana United Kingdom, Ireland – BBC Radio West Indies – Caribbean Media Corporation Watch World Cup Cricket On Your Mobile This section is for Indian users. 3G rollout is happening at very high pace in all part of the India and most of the metros and towns are able to access 3G services. With 3G on your mobile you will be able to watch live ICC world cricket on your Reliance Mobiles and you can read more about it here. Top 10 Cricket Websites Check out our earlier post on top 10 cricket web sites for information. This article titled,ICC Cricket World Cup 2011- Free Online Live Streaming, Mobile Apps, TV and Radio Guide, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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Using LogParser - part 2

- by fatherjack

PersonAddress.csv SalesOrderDetail.tsv In part 1 of this series we downloaded and installed LogParser and used it to list data from a csv file. That was a good start and in this article we are going to see the different ways we can stream data and choose whether a whole file is selected. We are also going to take a brief look at what file types we can interrogate. If we take the query from part 1 and add a value for the output parameter as -o:datagrid so that the query becomes LOGPARSER "SELECT top 15 * FROM C:\LP\person_address.csv" -o:datagrid and run that we get a different result. A pop-up dialog that lets us view the results in a resizable grid. Notice that because we didn't specify the columns we wanted returned by LogParser (we used SELECT *) is has added two columns to the recordset - filename and rownumber. This behaviour can be very useful as we will see in future parts of this series. You can click Next 10 rows or All rows or close the datagrid once you are finished reviewing the data. You may have noticed that the files that I am working with are different file types - one is a csv (comma separated values) and the other is a tsv (tab separated values). If you want to convert a file from one to another then LogParser makes it incredibly simple. Rather than using 'datagrid' as the value for the output parameter, use 'csv': logparser "SELECT SalesOrderID, SalesOrderDetailID, CarrierTrackingNumber, OrderQty, ProductID, SpecialOfferID, UnitPrice, UnitPriceDiscount, LineTotal, rowguid, ModifiedDate into C:\Sales_SalesOrderDetail.csv FROM C:\Sales_SalesOrderDetail.tsv" -i:tsv -o:csv Those familiar with SQL will not have to make a very big leap of faith to making adjustments to the above query to filter in/out records from the source file. Lets get all the records from the same file where the Order Quantity (OrderQty) is more than 25: logparser "SELECT SalesOrderID, SalesOrderDetailID, CarrierTrackingNumber, OrderQty, ProductID, SpecialOfferID, UnitPrice, UnitPriceDiscount, LineTotal, rowguid, ModifiedDate into C:\LP\Sales_SalesOrderDetailOver25.csv FROM C:\LP\Sales_SalesOrderDetail.tsv WHERE orderqty > 25" -i:tsv -o:csv Or we could find all those records where the Order Quantity is equal to 25 and output it to an xml file: logparser "SELECT SalesOrderID, SalesOrderDetailID, CarrierTrackingNumber, OrderQty, ProductID, SpecialOfferID, UnitPrice, UnitPriceDiscount, LineTotal, rowguid, ModifiedDate into C:\LP\Sales_SalesOrderDetailEq25.xml FROM C:\LP\Sales_SalesOrderDetail.tsv WHERE orderqty = 25" -i:tsv -o:xml All the standard comparison operators are to be found in LogParser; >, <, =, LIKE, BETWEEN, OR, NOT, AND. Input and Output file formats. LogParser has a pretty impressive list of file formats that it can parse and a good selection of output formats that will let you generate output in a format that is useable for whatever process or application you may be using. From any of these To any of these IISW3C: parses IIS log files in the W3C Extended Log File Format. NAT: formats output records as readable tabulated columns. IIS: parses IIS log files in the Microsoft IIS Log File Format. CSV: formats output records as comma-separated values text. BIN: parses IIS log files in the Centralized Binary Log File Format. TSV: formats output records as tab-separated or space-separated values text. IISODBC: returns database records from the tables logged to by IIS when configured to log in the ODBC Log Format. XML: formats output records as XML documents. HTTPERR: parses HTTP error log files generated by Http.sys. W3C: formats output records in the W3C Extended Log File Format. URLSCAN: parses log files generated by the URLScan IIS filter. TPL: formats output records following user-defined templates. CSV: parses comma-separated values text files. IIS: formats output records in the Microsoft IIS Log File Format. TSV: parses tab-separated and space-separated values text files. SQL: uploads output records to a table in a SQL database. XML: parses XML text files. SYSLOG: sends output records to a Syslog server. W3C: parses text files in the W3C Extended Log File Format. DATAGRID: displays output records in a graphical user interface. NCSA: parses web server log files in the NCSA Common, Combined, and Extended Log File Formats. CHART: creates image files containing charts. TEXTLINE: returns lines from generic text files. TEXTWORD: returns words from generic text files. EVT: returns events from the Windows Event Log and from Event Log backup files (.evt files). FS: returns information on files and directories. REG: returns information on registry values. ADS: returns information on Active Directory objects. NETMON: parses network capture files created by NetMon. ETW: parses Enterprise Tracing for Windows trace log files and live sessions. COM: provides an interface to Custom Input Format COM Plugins. So, you can query data from any of the types on the left and really easily get it into a format where it is ready for analysis by other tools. To a DBA or network Administrator with an enquiring mind this is a treasure trove. In part 3 we will look at working with multiple sources and specifically outputting to SQL format. See you there!

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Run Your Tests With Any NUnit Version

- by Alois Kraus

I always thought that the NUnit test runners and the test assemblies need to reference the same NUnit.Framework version. I wanted to be able to run my test assemblies with the newest GUI runner (currently 2.5.3). Ok so all I need to do is to reference both NUnit versions the newest one and the official for the current project. There is a nice article form Kent Bogart online how to reference the same assembly multiple times with different versions. The magic works by referencing one NUnit assembly with an alias which does prefix all types inside it. Then I could decorate my tests with the TestFixture and Test attribute from both NUnit versions and everything worked fine except that this was ugly. After playing a little bit around to make it simpler I found that I did not need to reference both NUnit.Framework assemblies. The test runners do not require the TestFixture and Test attribute in their specific version. That is really neat since the test runners are instructed by attributes what to do in a declarative way there is really no need to tie the runners to a specific version. At its core NUnit has this little method hidden to find matching TestFixtures and Tests public bool CanBuildFrom(Type type) { if (!(!type.IsAbstract || type.IsSealed)) { return false; } return (((Reflect.HasAttribute(type, "NUnit.Framework.TestFixtureAttribute", true) || Reflect.HasMethodWithAttribute(type, "NUnit.Framework.TestAttribute" , true)) || Reflect.HasMethodWithAttribute(type, "NUnit.Framework.TestCaseAttribute" , true)) || Reflect.HasMethodWithAttribute(type, "NUnit.Framework.TheoryAttribute" , true)); } That is versioning and backwards compatibility at its best. I tell NUnit what to do by decorating my tests classes with NUnit Attributes and the runner executes my intent without the need to bind me to a specific version. The contract between NUnit versions is actually a bit more complex (think of AssertExceptions) but this is also handled nicely by using not the concrete type but simply to check for the catched exception type by string. What can we learn from this? Versioning can be easy if the contract is small and the users of your library use it in a declarative way (Attributes). Everything beyond it will force you to reference several versions of the same assembly with all its consequences. Type equality is lost between versions so none of your casts will work. That means that you cannot simply use IBigInterface in two versions. You will need a wrapper to call the correct versioned one. To get out of this mess you can use one (and only one) version agnostic driver to encapsulate your business logic from the concrete versions. This is of course more work but as NUnit shows it can be easy. Simplicity is therefore not a nice thing to have but also requirement number one if you intend to make things more complex in version two and want to support any version (older and newer). Any interaction model above easy will not be maintainable. There are different approached to versioning. Below are my own personal observations how versioning works within the .NET Framwork and NUnit. Versioning Models 1. Bug Fixing and New Isolated Features When you only need to fix bugs there is no need to break anything. This is especially true when you have a big API surface. Microsoft did this with the .NET Framework 3.0 which did leave the CLR as is but delivered new assemblies for the features WPF, WCF and Windows Workflow Foundations. Their basic model was that the .NET 2.0 assemblies were declared as red assemblies which must not change (well mostly but each change was carefully reviewed to minimize the risk of breaking changes as much as possible) whereas the new green assemblies of .NET 3,3.5 did not have such obligations since they did implement new unrelated features which did not have any impact on the red assemblies. This is versioning strategy aimed at maximum compatibility and the delivery of new unrelated features. If you have a big API surface you should strive hard to do the same or you will break your customers code with every release. 2. New Breaking Features There are times when really new things need to be added to an existing product. The .NET Framework 4.0 did change the CLR in many ways which caused subtle different behavior although the API´s remained largely unchanged. Sometimes it is possible to simply recompile an application to make it work (e.g. changed method signature void Func() –> bool Func()) but behavioral changes need much more thought and cannot be automated. To minimize the impact .NET 2.0,3.0,3.5 applications will not automatically use the .NET 4.0 runtime when installed but they will keep using the “old” one. What is interesting is that a side by side execution model of both CLR versions (2 and 4) within one process is possible. Key to success was total isolation. You will have 2 GCs, 2 JIT compilers, 2 finalizer threads within one process. The two .NET runtimes cannot talk (except via the usual IPC mechanisms) to each other. Both runtimes share nothing and run independently within the same process. This enables Explorer plugins written for the CLR 2.0 to work even when a CLR 4 plugin is already running inside the Explorer process. The price for isolation is an increased memory footprint because everything is loaded and running two times. 3. New Non Breaking Features It really depends where you break things. NUnit has evolved and many different Assert, Expect… methods have been added. These changes are all localized in the NUnit.Framework assembly which can be easily extended. As long as the test execution contract (TestFixture, Test, AssertException) remains stable it is possible to write test executors which can run tests written for NUnit 10 because the execution contract has not changed. It is possible to write software which executes other components in a version independent way but this is only feasible if the interaction model is relatively simple. Versioning software is hard and it looks like it will remain hard since you suddenly work in a severely constrained environment when you try to innovate and to keep everything backwards compatible at the same time. These are contradicting goals and do not play well together. The easiest way out of this is to carefully watch what your customers are doing with your software. Minimizing the impact is much easier when you do not need to guess how many people will be broken when this or that is removed.

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Postfix/SMTPD Relay Access Denied when sending outside the network

- by David

I asked a very similar question some 4 or 5 months ago, but haven't tracked down a suitable answer. I decided to post a new question so that I can ... a) Post updated info b) post my most current postconf -n output When a user sends mail from inside the network (via webmail) to email addresses both inside and outside the network, the email is delivered. When a user with an email account on the system sends mail from outside the network, using the server as the relay, to addresses inside the network, the email is delivered. But [sometimes] when a user connects via SMTPD to send email to an external address, a Relay Access Denied error is returned: Feb 25 19:33:49 myers postfix/smtpd[8044]: NOQUEUE: reject: RCPT from host-68-169-158-182.WISOLT2.epbfi.com[68.169.158.182]: 554 5.7.1 <host-68-169-158-182.WISOLT2.epbfi.com[68.169.158.182]>: Client host rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<my-computer-name> Feb 25 19:33:52 myers postfix/smtpd[8044]: disconnect from host-68-169-158-182.WISOLT2.epbfi.com[68.169.158.182] Sending this through Microsoft Outlook 2003 generates the above log. However, sending through my iPhone, with the exact same settings, goes through fine: Feb 25 19:37:18 myers postfix/qmgr[3619]: A2D861302C9: from=<[email protected]>, size=1382, nrcpt=1 (queue active) Feb 25 19:37:18 myers amavis[2799]: (02799-09) FWD via SMTP: <[email protected]> -> <[email protected]>,BODY=7BIT 250 2.0.0 Ok, id=02799-09, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as A2D861302C9 Feb 25 19:37:18 myers amavis[2799]: (02799-09) Passed CLEAN, [68.169.158.182] [68.169.158.182] <[email protected]> -> <[email protected]>, Message-ID: <[email protected]>, mail_id: yMLvzVQJloFV, Hits: -9.607, size: 897, queued_as: A2D861302C9, 6283 ms Feb 25 19:37:18 myers postfix/lmtp[8752]: 2ED3A1302C8: to=<[email protected]>, relay=127.0.0.1[127.0.0.1]:10024, delay=6.6, delays=0.25/0.01/0.19/6.1, dsn=2.0.0, status=sent (250 2.0.0 Ok, id=02799-09, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as A2D861302C9) Feb 25 19:37:18 myers postfix/qmgr[3619]: 2ED3A1302C8: removed Outgoing Settings on Outlook 2003 match the settings on my iPhone: SMTP server: mail.my-domain.com Username: My full email address Uses SSL Server Port 587 Now, here's postconf -n. I realize the "My Networks" Parameter is a bit nasty. I have these IP addresses in here for just this reason, as others have been complaining of this problem too: alias_database = hash:/etc/postfix/aliases alias_maps = $alias_database append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix content_filter = amavisfeed:[127.0.0.1]:10024 daemon_directory = /usr/libexec/postfix debug_peer_level = 2 disable_vrfy_command = yes html_directory = no inet_interfaces = all mail_owner = postfix mail_spool_directory = /var/spool/mail mailbox_size_limit = 0 mailq_path = /usr/bin/mailq manpage_directory = /usr/share/man message_size_limit = 20480000 mydestination = $myhostname, localhost, localhost.$mydomain mydomain = my-domain.com myhostname = myers.my-domain.com mynetworks = 127.0.0.0/8, 74.125.113.27, 74.125.82.49, 74.125.79.27, 209.85.161.0/24, 209.85.214.0/24, 209.85.216.0/24, 209.85.212.0/24, 209.85.160.0/24 myorigin = $myhostname newaliases_path = /usr/bin/newaliases queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES receive_override_options = no_address_mappings recipient_delimiter = + relay_domains = $mydestination sample_directory = /usr/share/doc/postfix-2.3.3/samples sendmail_path = /usr/sbin/sendmail setgid_group = postdrop smtp_bind_address = my-primary-server's IP address smtpd_banner = mail.my-domain.com smtpd_helo_required = yes smtpd_sasl_auth_enable = yes smtpd_sasl_path = private/auth smtpd_sasl_type = dovecot smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/mailserver/postfix.pem smtpd_tls_key_file = /etc/ssl/mailserver/private/postfix.pem smtpd_tls_loglevel = 3 smtpd_tls_received_header = no smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_random_source = dev:/dev/urandom unknown_local_recipient_reject_code = 554 virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf,mysql:/etc/postfix/mysql-email2email.cf virtual_gid_maps = static:5000 virtual_mailbox_base = /var/vmail virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf virtual_minimum_uid = 5000 virtual_transport = dovecot virtual_uid_maps = static:5000 If anyone has any ideas and can help me finally solve this issue once and for all, I'd be eternally grateful.

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Running two wsgi applications on the same server gdal org exception with apache2/modwsgi

- by monkut

I'm trying to run two wsgi applications, one django and the other tilestache using the same server. The tilestache server accesses the db via django to query the db. In the process of serving tiles it performs a transform on the incoming bbox, and in this process hit's the following error. The transform works without error for the specific bbox polygon when run manually from the python shell: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/TileStache/__init__.py", line 325, in __call__ mimetype, content = requestHandler(self.config, environ['PATH_INFO'], environ['QUERY_STRING']) File "/usr/lib/python2.7/dist-packages/TileStache/__init__.py", line 231, in requestHandler mimetype, content = getTile(layer, coord, extension) File "/usr/lib/python2.7/dist-packages/TileStache/__init__.py", line 84, in getTile tile = layer.render(coord, format) File "/usr/lib/python2.7/dist-packages/TileStache/Core.py", line 295, in render tile = provider.renderArea(width, height, srs, xmin, ymin, xmax, ymax, coord.zoom) File "/var/www/tileserver/providers.py", line 59, in renderArea bbox.transform(METERS_SRID) File "/usr/local/lib/python2.7/dist-packages/django/contrib/gis/geos/geometry.py", line 520, in transform g = gdal.OGRGeometry(self.wkb, srid) File "/usr/local/lib/python2.7/dist-packages/django/contrib/gis/gdal/geometries.py", line 131, in __init__ self.__class__ = GEO_CLASSES[self.geom_type.num] File "/usr/local/lib/python2.7/dist-packages/django/contrib/gis/gdal/geometries.py", line 245, in geom_type return OGRGeomType(capi.get_geom_type(self.ptr)) File "/usr/local/lib/python2.7/dist-packages/django/contrib/gis/gdal/geomtype.py", line 43, in __init__ raise OGRException('Invalid OGR Integer Type: %d' % type_input) OGRException: Invalid OGR Integer Type: 1987180391 I think I've hit the non thread safe issue with GDAL, metioned on the django site. Is there a way I could configure this so that it would work? Apache Version: Apache/2.2.22 (Ubuntu) mod_wsgi/3.3 Python/2.7.3 configured Apache apache2/sites-available/default: <VirtualHost *:80> ServerAdmin ironman@localhost DocumentRoot /var/www/bin LogLevel warn WSGIDaemonProcess lbs processes=2 maximum-requests=500 threads=1 WSGIProcessGroup lbs WSGIScriptAlias / /var/www/bin/apache/django.wsgi Alias /static /var/www/lbs/static/ </VirtualHost> <VirtualHost *:8080> ServerAdmin ironman@localhost DocumentRoot /var/www/bin LogLevel warn WSGIDaemonProcess tilestache processes=1 maximum-requests=500 threads=1 WSGIProcessGroup tilestache WSGIScriptAlias / /var/www/bin/tileserver/tilestache.wsgi </VirtualHost> Django Version: 1.4 httpd.conf: Listen 8080 NameVirtualHost *:8080 UPDATE I've added the a test.wsgi script to determine if the GLOBAL interpreter setting is correct, as mentioned by graham and described here: http://code.google.com/p/modwsgi/wiki/CheckingYourInstallation#Sub_Interpreter_Being_Used It seems to show the expected result: [Tue Aug 14 10:32:01 2012] [notice] Apache/2.2.22 (Ubuntu) mod_wsgi/3.3 Python/2.7.3 configured -- resuming normal operations [Tue Aug 14 10:32:01 2012] [info] mod_wsgi (pid=29891): Attach interpreter ''. I've worked around the issue for now by changing the srs used in the db so that the transform is unnecessary in tilestache app. I don't understand why the transform() method, when called in the django app works, but then in the tilestache app fails. tilestache.wsgi #!/usr/bin/python import os import time import sys import TileStache current_dir = os.path.abspath(os.path.dirname(__file__)) project_dir = os.path.realpath(os.path.join(current_dir, "..", "..")) sys.path.append(project_dir) sys.path.append(current_dir) os.environ['DJANGO_SETTINGS_MODULE'] = 'bin.settings' sys.stdout = sys.stderr # wait for the apache django lbs server to start up, # --> in order to retrieve the tilestache cfg time.sleep(2) tilestache_config_url = "http://127.0.0.1/tilestache/config/" application = TileStache.WSGITileServer(tilestache_config_url) UPDATE 2 So it turned out I did need to use a projection other than the google (900913) one in the db. So my previous workaround failed. While I'd like to fix this issue, I decided to work around the issue this type by making a django view that performs the transform needed. So now tilestache requests the data through the django app and not internally.

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XNA Notes 004

- by George Clingerman

The XNA community has been crazy busy again. It always make me fee like such a slacker collecting all of these notes as I see the tremendous output from people all over the world and it’s incredible and humbling. There are some amazingly skilled people working with XNA. On another not, I’m going to take a minute to get on my soapbox and say, if you are developing ANYTHING and are not using some sort of source/revision control, START IMMEDIATELY. This applies to teams of one. Projects for fun. And “I back up my hard drive” or “I use dropbox!” does NOT count as using source control. You’ll be doing yourself a HUGE favor if you find one, learn to use it and integrate it into your everyday workflow. I personally use Subversion. It’s hosted offsite at xp.dev.com and I use TortoiseSVN as my front end to interface with the repository. It’s simple and easy to use and has saved me from myself so many time. Honestly, get setup with some type of source control immediately. If you don’t understand how, grab another developer that does and have them walk you through setup and the basics of using it. Ok, I’m done. On to the notes… The XNA Team Only 14 days left to Submit XNA GS 3.1 Games! http://blogs.msdn.com/b/xna/archive/2011/01/24/14-days-left-to-submit-xna-gs-3-1-games-on-app-hub.aspx Shawn Hargreaves shares some great information on Exception Handling best practices on the XNA forums http://forums.create.msdn.com/forums/p/73333/448556.aspx#448556 http://blogs.msdn.com/b/ericlippert/archive/2008/09/10/vexing-exceptions.aspx XNA MVPs @CatalinZima gives us a peek at Chicken’s Can’t Fly http://www.amusedsloth.com/games/chickens-cant-fly/ Screen-space deformations in XNA for WP7 from Catalin Zima http://twitter.com/CatalinZima/statuses/30313083767357440 http://www.amusedsloth.com/2011/01/screen-space-deformations-in-xna-for-windows-phone-7/ XNA Developers Going to GDC? Don’t miss the XNA panel hosted by a plethora of well known XNA community names! http://forums.create.msdn.com/forums/p/73576/448842.aspx#448842 MasterBlud does an interview with @Xalterax http://twitter.com/MasterBlud/statuses/28510774812999680 http://www.xboxhornet.com/wordpress/?p=7102 Luke Schneider of Radiangames posts about The Radiangames Style http://radiangames.com/?p=532 Holmade Games had a “vote for the new playable character” poll going on for Hurdle Turtle this past week http://holmadegames.blogspot.com/2011/01/new-level-pack-vote-for-your-favorite.html IGF v0.1.0.0 release post mortem http://indiefreaks.com/2011/01/24/v0-1-0-0-release-post-mortem/ James an Super Dunner post Good Morning Gato #46 and a look at the Vampire Smile box art http://www.ska-studios.com/2011/01/21/good-morning-gato-46/ http://www.ska-studios.com/2011/01/20/vampire-smiles-digital-box-art/ Alfredo Di Napoli creates Cow Pong using XNA and F#! http://alfredodinapoli.wordpress.com/2011/01/25/cow-pong-a-simple-xna-game-in-f/ Xbox LIVE Indie Games Signed In Podcast posts Episode #61 http://www.signedinpodcast.com/?p=559 Gamergeddon posts the January 23rd edition of XBLIG Round Up http://www.gamergeddon.com/2011/01/23/xbox-indie-games-round-up-january-23rd/ Indie Asylum posts Antipole Review http://www.indieasylum.com/reviews/38-xblig/112-antipole.html 1UPOrPosion Reviews OSR Unhinged http://www.1uporpoison.com/xblig/osr-unhinged/ DarkstarMatryx review Warbirds at Work http://www.darkstarmatryx.com/?p=185 Review of Aban Hawkins and the 1000 Spikes http://www.armlessoctopus.com/2011/01/24/xbox-indie-review-aban-hawkins-the-1000-spikes/ XboxHornet reviews Corrupted http://www.xboxhornet.com/wordpress/?p=7123 XBLIG 2010: The Best And The Worst http://www.gamasutra.com/blogs/JamieMann/20110121/6840/ Xbox LIVE Arcade Sales Analysis - an interesting read for XBLIG developers wondering how they’re doing compared to arcade.. http://www.gamerbytes.com/2011/01/xbla_sales_analysis_dec_2010.php Best of Indies for January 25th http://www.thisisfakediy.co.uk/articles/games/best-of-the-indies-25th-january-2011 Decimation X3 appears as an arcade machine in the wild! http://twitter.com/mdoucette/statuses/29605562484260864 XNA Game Development Guiseppe De Francesco (@PinoEire) announced Torque X 4.0 CEV is now in RC phase! http://www.garagegames.com/community/blogs/view/20779 DrMistry of mstargames shares his struggle (and mistakes) with learning to use the Content Pipeline http://www.mstargames.co.uk/mistryblogmain/35-genblog/181-pontent-cipeline-more-like-it.html New Tutorial posted XNA 2D Basic Collision Detection with Rotation from Ioannis Panagopoulos http://www.progware.org/Blog/post/XNA-2D-Basic-Collision-Detection-with-Rotation.aspx Sgt. Conker roars to life! Doing a much better (and prettier) job of collecting XNA news from around the interwebs. http://www.sgtconker.com/ http://www.sgtconker.com/2011/01/dedication-for-captain-boki/ http://www.sgtconker.com/2011/01/screen-space-deformations-in-xna-for-windows-phone-7/ http://www.sgtconker.com/2011/01/xna-4-0-light-pre-pass-2/ http://www.sgtconker.com/2011/01/indiefreaks-game-framework-0-1-0-0-released/ Offering a little free publicity for XBLIGs http://forums.create.msdn.com/forums/p/73465/448321.aspx#448321 Ben Kane writes about building loot tables from Excel using the Content Pipeline http://benkane.wordpress.com/2011/01/23/building-loot-tables-from-excel-using-the-content-pipeline/ Good tips on attracting a game artist AND an offer to create your cover art for FREE http://forums.create.msdn.com/forums/t/72998.aspx If you’re an XBLIG developer keeping your eye on places to release on the PC, might want to be watching the IndieCity blog. Seems like these guys are well on their way to constructing something worth watching. http://www.indiecity.com/blog/ DVMGames spotted a new crowd-funding site for Indies http://twitter.com/DVMGames/statuses/29947274767372289 http://www.8bitfunding.com/ Transmute continues to make progress and there’s a nice dev blog to follow along here http://forgottenstarstudios.com/blog/

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iptables not allowing mysql connections to aliased ips?

- by Curtis

I have a fairly simple iptables firewall on a server that provides MySQL services, but iptables seems to be giving me very inconsistent results. The default policy on the script is as follows: iptables -P INPUT DROP I can then make MySQL public with the following rule: iptables -A INPUT -p tcp --dport 3306 -j ACCEPT With this rule in place, I can connect to MySQL from any source IP to any destination IP on the server without a problem. However, when I try to restrict access to just three IPs by replacing the above line with the following, I run into trouble (xxx=masked octect): iptables -A INPUT -p tcp --dport 3306 -m state --state NEW -s 208.XXX.XXX.184 -j ACCEPT iptables -A INPUT -p tcp --dport 3306 -m state --state NEW -s 208.XXX.XXX.196 -j ACCEPT iptables -A INPUT -p tcp --dport 3306 -m state --state NEW -s 208.XXX.XXX.251 -j ACCEPT Once the above rules are in place, the following happens: I can connect to the MySQL server from the .184, .196 and .251 hosts just fine as long as am connecting to the MySQL server using it's default IP address or an IP alias in the same subnet as the default IP address. I am unable to connect to MySQL using IP aliases that are assigned to the server from a different subnet than the server's default IP when I'm coming from the .184 or .196 hosts, but .251 works just fine. From the .184 or .196 hosts, a telnet attempt just hangs... # telnet 209.xxx.xxx.22 3306 Trying 209.xxx.xxx.22... If I remove the .251 line (making .196 the last rule added), the .196 host still can not connect to MySQL using IP aliases (so it's not the order of the rules that is causing the inconsistent behavior). I know, this particular test was silly as it shouldn't matter what order these three rules are added in, but I figured someone might ask. If I switch back to the "public" rule, all hosts can connect to the MySQL server using either the default or aliased IPs (in either subnet): iptables -A INPUT -p tcp --dport 3306 -j ACCEPT The server is running in a CentOS 5.4 OpenVZ/Proxmox container (2.6.32-4-pve). And, just in case you prefer to see the problem rules in the context of the iptables script, here it is (xxx=masked octect): # Flush old rules, old custom tables /sbin/iptables --flush /sbin/iptables --delete-chain # Set default policies for all three default chains /sbin/iptables -P INPUT DROP /sbin/iptables -P FORWARD DROP /sbin/iptables -P OUTPUT ACCEPT # Enable free use of loopback interfaces /sbin/iptables -A INPUT -i lo -j ACCEPT /sbin/iptables -A OUTPUT -o lo -j ACCEPT # All TCP sessions should begin with SYN /sbin/iptables -A INPUT -p tcp ! --syn -m state --state NEW -j DROP # Accept inbound TCP packets (Do this *before* adding the 'blocked' chain) /sbin/iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT # Allow the server's own IP to connect to itself /sbin/iptables -A INPUT -i eth0 -s 208.xxx.xxx.178 -j ACCEPT # Add the 'blocked' chain *after* we've accepted established/related connections # so we remain efficient and only evaluate new/inbound connections /sbin/iptables -N BLOCKED /sbin/iptables -A INPUT -j BLOCKED # Accept inbound ICMP messages /sbin/iptables -A INPUT -p ICMP --icmp-type 8 -j ACCEPT /sbin/iptables -A INPUT -p ICMP --icmp-type 11 -j ACCEPT # ssh (private) /sbin/iptables -A INPUT -p tcp --dport 22 -m state --state NEW -s xxx.xxx.xxx.xxx -j ACCEPT # ftp (private) /sbin/iptables -A INPUT -p tcp --dport 21 -m state --state NEW -s xxx.xxx.xxx.xxx -j ACCEPT # www (public) /sbin/iptables -A INPUT -p tcp --dport 80 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 443 -j ACCEPT # smtp (public) /sbin/iptables -A INPUT -p tcp --dport 25 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 2525 -j ACCEPT # pop (public) /sbin/iptables -A INPUT -p tcp --dport 110 -j ACCEPT # mysql (private) /sbin/iptables -A INPUT -p tcp --dport 3306 -m state --state NEW -s 208.xxx.xxx.184 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 3306 -m state --state NEW -s 208.xxx.xxx.196 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 3306 -m state --state NEW -s 208.xxx.xxx.251 -j ACCEPT Any ideas? Thanks in advance. :-)

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Download Microsoft MSDN Magazine PDF Issues For Offline Reading

- by Kavitha

MSDN Magazine is a must read for every Microsoft developer. It provides in-depth analysis and excellent guides on all the latest Microsoft development tools and technologies. Every month one can grab this magazine on the stands or read it online for free. What if you want to read the magazine offline on your PC or mobile devices? Just grab a PDF version of the magazine and read it whenever you want. The PDF version of MSDN magazines are very handy for travellers who don’t get access to internet always. In this post we are going to provide you links to download PDF version, source code and online version of every month MSDN Magazine issue starting from 2010. Bookmark this post and keep checking it monthly to get access to MSDN Magazine links. December 2010 Issue Download PDF(not yet available) Download Source Code Read Magazine Online November 2010 Issue Download PDF (not yet available) Read Magazine Online Download Source Code October 2010 Issue Download PDF Download Source Code Read Magazine Online September 2010 Issue Download PDF Download Source Code Read Magazine Online August 2010 Issue Download PDF Download Source Code Read Magazine Online July 2010 Issue Download PDF Download Source Code Read Magazine Online June 2010 Issue Download PDF Download Source Code Read Magazine Online May 2010 Issue Download PDF Download Source Code Read Magazine Online April 2010 Issue Download PDF Read Magazine Online Download Source Code March 2010 Issue Download PDF Download Source Code Read Magazine Online February 2010 Issue Download PDF Download Source Code Read Magazine Online January 2010 Issue Download PDF Download Source Code Read Magazine Online This article titled,Download Microsoft MSDN Magazine PDF Issues For Offline Reading, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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Huawei b153 limit of devices

- by bdecaf

I set up my home network all through this 3G wifi router. Problem is it only allows 5 devices to connect. That's not much especially if a wifi printer and gaming consoles keep hogging these slots. On the other hand I don't see the point on blocking these devices. They are (should) not doing anything online just intern in my network. The documentation I can find is surpirisingly unhelpful and focuses how to plug the device in a power socket. So what would be my options. Notes: I have already been able to get a shell on the device using ssh. It's running some Busybox. But I fail to find the how and where this limit is enforced/created. Notes 2: Specifically my device is a 3WebCube - unfortunately not specifically marked with the Huawei Model number. Successes so far After enabling ssh in the options I can login: ssh -T [email protected] [email protected]'s password: ------------------------------- -----Welcome to ATP Cli------ ------------------------------- unfortunately because of this -T - the tab key does not work for autocomplete and all inputted commands will be echoed. Also no history with arrow keys. ATP interface this custom interface is not very useful: ATP>help help Welcome to ATP command line tool. If any question, please input "?" at the end of command. ATP>? ? cls debug help save ? exit ATP>save? save? Command failed. ATP>save ? save ? ATP>debug ? debug ? display set trace ? Shell BUT undocumented - I somehow found on a auto translated chinese website - all you need to do is input sh ATP>sh sh BusyBox vv1.9.1 (2011-03-27 11:59:11 CST) built-in shell (ash) Enter 'help' for a list of built-in commands. # builtin commands # help Built-in commands: ------------------- . : alias bg break cd chdir command continue eval exec exit export false fg getopts hash help jobs kill let local pwd read readonly return set shift source times trap true type ulimit umask unalias unset wait shows standard unix structure: # ls / var tmp proc linuxrc init etc bin usr sbin mnt lib html dev in /bin # ls /bin zebra strace ppps ln echo cat wscd startbsp pppc klog ebtables busybox wlancmd sshd ping kill dns brctl web sntp netstat iwpriv dhcps auth usbdiagd sms mount iwcontrol dhcpc atserver upnp sleep mknod iptables date atcmd upg siproxd mkdir ipcheck cp at umount sh mini_upnpd ip console ash test_at rm mic igmpproxy cms telnetd ripd ls ethcmd cmgr swapdev ps log equipcmd cli in /sbin # ls /sbin vconfig reboot insmod ifconfig arp route poweroff init halt using tftp after installing tftp on my desktop I was able to send files with tftp -s -l curcfg.xml 192.168.1.103 and to download onto the huawei with tftp -g -r curcfg.xml 192.168.1.103 I think I'll need that - because I don't see any editor installed. readout stuff (still playing around where I would get interesting info) For confirmation of hardware: # cat /var/log/modem_hardware_name ^HWVER:"WL1B153M001"# # cat /var/log/modem_software_name 1096.11.03.02.107 # cat /var/log/product_name B153

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Custom fail2ban Filter

- by Michael Robinson

In my quest to block excessive failed phpMyAdmin login attempts with fail2ban, I've created a script that logs said failed attempts to a file: /var/log/phpmyadmin_auth.log Custom log The format of the /var/log/phpmyadmin_auth.log file is: phpMyadmin login failed with username: root; ip: 192.168.1.50; url: http://somedomain.com/phpmyadmin/index.php phpMyadmin login failed with username: ; ip: 192.168.1.50; url: http://192.168.1.48/phpmyadmin/index.php Custom filter [Definition] # Count all bans in the logfile failregex = phpMyadmin login failed with username: .*; ip: <HOST>; phpMyAdmin jail [phpmyadmin] enabled = true port = http,https filter = phpmyadmin action = sendmail-whois[name=HTTP] logpath = /var/log/phpmyadmin_auth.log maxretry = 6 The fail2ban log contains: 2012-10-04 10:52:22,756 fail2ban.server : INFO Stopping all jails 2012-10-04 10:52:23,091 fail2ban.jail : INFO Jail 'ssh-iptables' stopped 2012-10-04 10:52:23,866 fail2ban.jail : INFO Jail 'fail2ban' stopped 2012-10-04 10:52:23,994 fail2ban.jail : INFO Jail 'ssh' stopped 2012-10-04 10:52:23,994 fail2ban.server : INFO Exiting Fail2ban 2012-10-04 10:52:24,253 fail2ban.server : INFO Changed logging target to /var/log/fail2ban.log for Fail2ban v0.8.6 2012-10-04 10:52:24,253 fail2ban.jail : INFO Creating new jail 'ssh' 2012-10-04 10:52:24,253 fail2ban.jail : INFO Jail 'ssh' uses poller 2012-10-04 10:52:24,260 fail2ban.filter : INFO Added logfile = /var/log/auth.log 2012-10-04 10:52:24,260 fail2ban.filter : INFO Set maxRetry = 6 2012-10-04 10:52:24,261 fail2ban.filter : INFO Set findtime = 600 2012-10-04 10:52:24,261 fail2ban.actions: INFO Set banTime = 600 2012-10-04 10:52:24,279 fail2ban.jail : INFO Creating new jail 'ssh-iptables' 2012-10-04 10:52:24,279 fail2ban.jail : INFO Jail 'ssh-iptables' uses poller 2012-10-04 10:52:24,279 fail2ban.filter : INFO Added logfile = /var/log/auth.log 2012-10-04 10:52:24,280 fail2ban.filter : INFO Set maxRetry = 5 2012-10-04 10:52:24,280 fail2ban.filter : INFO Set findtime = 600 2012-10-04 10:52:24,280 fail2ban.actions: INFO Set banTime = 600 2012-10-04 10:52:24,287 fail2ban.jail : INFO Creating new jail 'fail2ban' 2012-10-04 10:52:24,287 fail2ban.jail : INFO Jail 'fail2ban' uses poller 2012-10-04 10:52:24,287 fail2ban.filter : INFO Added logfile = /var/log/fail2ban.log 2012-10-04 10:52:24,287 fail2ban.filter : INFO Set maxRetry = 3 2012-10-04 10:52:24,288 fail2ban.filter : INFO Set findtime = 604800 2012-10-04 10:52:24,288 fail2ban.actions: INFO Set banTime = 604800 2012-10-04 10:52:24,292 fail2ban.jail : INFO Jail 'ssh' started 2012-10-04 10:52:24,293 fail2ban.jail : INFO Jail 'ssh-iptables' started 2012-10-04 10:52:24,297 fail2ban.jail : INFO Jail 'fail2ban' started When I issue: sudo service fail2ban restart fail2ban emails me to say ssh has restarted, but I receive no such email about my phpmyadmin jail. Repeated failed logins to phpMyAdmin does not cause an email to be sent. Have I missed some critical setup? Is my filter's regular expression wrong? Update: added changes from default installation Starting with a clean fail2ban installation: cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local Change email address to my own, action to: action = %(action_mwl)s Append the following to jail.local [phpmyadmin] enabled = true port = http,https filter = phpmyadmin action = sendmail-whois[name=HTTP] logpath = /var/log/phpmyadmin_auth.log maxretry = 4 Add the following to /etc/fail2ban/filter.d/phpmyadmin.conf # phpmyadmin configuration file # # Author: Michael Robinson # [Definition] # Option: failregex # Notes.: regex to match the password failures messages in the logfile. The # host must be matched by a group named "host". The tag "<HOST>" can # be used for standard IP/hostname matching and is only an alias for # (?:::f{4,6}:)?(?P<host>\S+) # Values: TEXT # # Count all bans in the logfile failregex = phpMyadmin login failed with username: .*; ip: <HOST>; # Option: ignoreregex # Notes.: regex to ignore. If this regex matches, the line is ignored. # Values: TEXT # # Ignore our own bans, to keep our counts exact. # In your config, name your jail 'fail2ban', or change this line! ignoreregex = Restart fail2ban sudo service fail2ban restart PS: I like eggs

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And the Winners of Fusion Middleware Innovation Awards in Data Integration are…

- by Irem Radzik

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} At OpenWorld, we announced the winners of Fusion Middleware Innovation Awards 2012. Raymond James and Morrison Supermarkets were selected for the data integration category for their innovative use of Oracle’s data integration products and the great results they have achieved. In this blog I would like to briefly introduce you to these award winning projects. Raymond James is a diversified financial services company, which provides financial planning, wealth management, investment banking, and asset management. They are using Oracle GoldenGate and Oracle Data Integrator to feed their operational data store (ODS), which supports application services across the enterprise. A major requirement for their project was low data latency, as key decisions are made based on the data in the ODS. They were able to fulfill this requirement due to the Oracle Data Integrator’s integrated solution with Oracle GoldenGate. Oracle GoldenGate captures changed data from different systems including Oracle Database, HP NonStop and Microsoft SQL Server into a single data store on SQL Server 2008. Oracle Data Integrator provides data transformations for the ODS. Leveraging ODI’s integration with GoldenGate, Raymond James now sees a 9 second median latency (from source commit to ODS target commit). The ODS solution delivers high quality, accurate data for consuming applications such as Raymond James’ next generation client and portfolio management systems as well as real-time operational reporting. It enables timely information for making better decisions. There are more benefits Raymond James achieved with this implementation of Oracle’s data integration solution. The software developers and architects of this solution, Tim Garrod and Ryan Fonnett, have told us during their presentation at OpenWorld that they also reduced application complexity significantly while improving developer productivity through trusted operational services. They were able to utilize CDC to generate alerts for business users, and for applications (for example for cache hydration mechanisms). One cool innovation example among many in this project is that using ODI's flexible architecture, Tim and Ryan could build 24/7 self-healing processes. And these processes have hardly failed. Integration processes fixes the errors itself. Pretty amazing; and a great solution for environments that need such reliability and availability. (You can see Tim and Ryan’s photo with the Innovation Award above.) The other winner of this year in the data integration category, Morrison Supermarkets, is the UK’s 4th largest grocery retailer. The company has been migrating all their legacy applications on to a new-world application set based on Oracle and consolidating all BI on to a single Oracle platform. The company recently implemented Oracle Exadata as the data warehouse engine and uses Oracle Business Intelligence EE. Their goal with deploying GoldenGate and ODI was to provide BI data to the enterprise in a way that it also supports operational decision making requirements from a wide range of Oracle based ERP applications such as E-Business Suite, PeopleSoft, Oracle Retail Suite. They use GoldenGate’s log-based change data capture capabilities and Oracle Data Integrator to populate the Oracle Retail Data Model. The electronic point of sale (EPOS) integration solution they built processes over 80 million transactions/day at busy periods in near real time (15 mins). It provides valuable insight to Retail and Commercial teams for both intra-day and historical trend analysis. As I mentioned in yesterday’s blog, the right data integration platform can transform the business. Here is another example: The point-of-sale integration enabled the grocery chain to optimize its stock management, leading to another award: Morrisons won the Grocer 33 award in 2012 - beating all other major UK supermarkets in product availability. Congratulations, Morrisons,on another award! Celebrating the innovation and the success of our customers with Oracle’s data integration products was definitely a highlight of Oracle OpenWorld for me. I look forward to hearing more from Raymond James, Morrisons, and the other customers that presented their data integration projects at OpenWorld, on how they are creating more value for their organizations.

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Unique Business Value vs. Unique IT

- by barry.perkins

When the age of computing started, technology was new, exciting, full of potential and had a long way to grow. Vendor architectures were proprietary, and limited in function at first, growing in capability and complexity over time. There were few if any "standards", let alone "open standards" and the concepts of "open systems", and "open architectures" were far in the future. Companies employed intelligent, talented and creative people to implement the best possible solutions for their company. At first, those solutions were "unique" to each company. As time progressed, standards emerged, companies shared knowledge, business capability supplied by technology grew, and companies continued to expand their use of technology. Taking advantage of change required companies to struggle through periodic "revolutionary" change cycles, struggling through costly changes that were fraught with risk, resulted in solutions with an increasingly shorter half-life, and frequently required altering existing business processes and retraining employees and partner businesses. The pace of technological invention and implementation grew at an ever increasing rate, making the "revolutionary" approach based upon "proprietary" or "closed" architectures or technologies no longer viable. Concurrent with the advancement of technology, the rate of change in business increased, leading us to the incredibly fast paced, highly charged, and competitive global economy that we have today, where the most successful companies are companies that are good at implementing, leveraging and exploiting change. Fast forward to today, a world where dramatic changes in business and technology happen continually, a world where "evolutionary" change is crucial. Companies can no longer afford to build "unique IT", nor can they afford regular intervals of "revolutionary" change, with the associated costs and risks. Human ingenuity was once again up to the task, turning technology into a platform supporting business through evolutionary change, by employing "open": open standards; open systems; open architectures; and open solutions. Employing "open", enables companies to implement systems based upon technology, capability and standards that will evolve over time, providing a solid platform upon which a company can drive business needs, requirements, functions, and processes down into the technology, rather than exposing technology to the business, allowing companies to focus on providing "unique business value" rather than "unique IT". The big question! Does moving from "older" technology that no longer meets the needs of today's business, to new "open" technology require yet another "revolutionary change"? A "revolutionary" change with a short half-life, camouflaging reality with great marketing? The answer is "perhaps". With the endless options available to choose from, it is entirely possible to implement a solution that may work well today, but in 5 years time will become yet another albatross for the company to bear. Some solutions may look good today, solving a budget challenge by reducing cost, or solving a specific tactical challenge, but result in highly complex environments, that may be difficult to manage and maintain and limit the future potential of your business. Put differently, some solutions might push today's challenge into the future, resulting in a more complex and expensive solution. There is no such thing as a "1 size fits all" IT solution for business. If all companies implemented business solutions based upon technology that required, or forced the same business processes across all businesses in an industry, it would be extremely difficult to show competitive advantage through "unique business value". It would be equally difficult to "evolve" to meet or exceed business needs and keep up with today's rapid pace of change. How does one ensure that they do not jump from one trap directly into another? Or to put it positively, there are solutions available today that can address these challenges and issues. How does one ensure that the buying decision of today will serve the business well for years into the future? Intelligent & Informed decisions - "buying right" In a previous blog entry, we discussed the value of linking tactical to strategic The key is driving the focus to what is best for your business, handling today's tactical issues while also aligning with a roadmap/strategy that is tightly aligned with your strategic business objectives. When considering the plethora of possible options that provide various approaches to solving today's complex business problems, it is extremely important to ensure that vendors supplying those options, focus on what is best for your business, supplying sufficient information, providing adequate answers to questions, addressing challenges, issues, concerns and objections honestly and openly, and focus on supplying solutions that are tailored for, and deliver the most business value possible for your business. Here are a few questions to consider relative to the proposed options that should help ensure that today's solution doesn't become tomorrow's problem. Do the proposed solutions: Solve the problem(s) you are trying to address? Provide a solid foundation upon which to grow/enhance your business? Provide tactical gains that align with and enable your strategic business goals/objectives? Provide an infrastructure that can be leveraged with subsequent projects? Solve problems for the business overall, the lines of business, or just IT? Simplify your current environment Provide the basis for business: Efficiency Agility Clarity governance, risk, compliance real time business visibility and trend analysis Does your IT staff have the knowledge/experience to successfully manage the proposed systems once they are deployed in production? Done well, you will be presented with options tailored to your business, that enable you to drive the "unique business value" necessary to help your business stand out from others, creating a distinct competitive advantage, delivering what your customers need, when they need it, so you can attract new customers, new business, and grow top line revenue, all at a cost that provides a strong Return on Investment/Return on Assets. The net result is growth with managed cost providing significantly improved profit margin and shareholder value.

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SQL Authority News – Play by Play with Pinal Dave – A Birthday Gift

- by Pinal Dave

Today is my birthday. Personal Note When I was young, I was always looking forward to my birthday as on this day, I used to get gifts from everybody. Now when I am getting old on each of my birthday, I have almost same feeling but the direction is different. Now on each of my birthday, I feel like giving gifts to everybody. I have received lots of support, love and respect from everybody; and now I must return it back.Well, on this birthday, I have very unique gifts for everybody – my latest course on SQL Server. How I Tune Performance I often get questions where I am asked how do I work on a normal day. I am often asked that how do I work when I have performance tuning project is assigned to me. Lots of people have expressed their desire that they want me to explain and demonstrate my own method of solving performance problem when I am facing real world problem. It is a pretty difficult task as in the real world, nothing goes as planned and usually planned demonstrations have no place there. The real world, demands real solutions and in a timely fashion. If a consultant goes to industry and does not demonstrate his/her capabilities in very first few minutes, it does not matter how much fame he/she is, the door is shown to them eventually. It is true and in my early career, I have faced it quite commonly. I have learned the trick to be honest from the start and request absolutely transparent communication from the organization where I am to consult. Play by Play Play by Play is a very unique setup. It is not planned and it is a step by step course. It is like a reality show – a very real encounter to the problem and real problem solving approach. I had a great time doing this course. Geoffrey Grosenbach (VP of Pluralsight) sits down with me to see what a SQL Server Admin does in the real world. This Play-by-Play focuses on SQL Server performance tuning and I go over optimizing queries and fine-tuning the server. The table of content of this course is very simple. Introduction In the introduction I explained my basic strategies when I am approached by a customer for performance tuning. Basic Information Gathering In this module I explain how I do gather various information for performance tuning project. It is very crucial to demonstrate to customers for consultant his capability of solving problem. I attempt to resolve a small problem which gives a big positive impact on performance, consultant have to gather proper information from the start. I demonstrate in this module, how one can collect all the important performance tuning metrics. Removing Performance Bottleneck In this module, I build upon the previous module’s statistics collected. I analysis various performance tuning measures and immediately start implementing various tweaks on the performance, which will start improving the performance of my server. This is a very effective method and it gives immediate return of efforts. Index Optimization Indexes are considered as a silver bullet for performance tuning. However, it is not true always there are plenty of examples where indexes even performs worst after implemented. The key is to understand a few of the basic properties of the index and implement the right things at the right time. In this module, I describe in detail how to do index optimizations and what are right and wrong with Index. If you are a DBA or developer, and if your application is running slow – this is must attend module for you. I have some really interesting stories to tell as well. Optimize Query with Rewrite Every problem has more than one solution, in this module we will see another very famous, but hard to master skills for performance tuning – Query Rewrite. There are few do’s and don’ts for any query rewrites. I take a very simple example and demonstrate how query rewrite can improve the performance of the query at many folds. I also share some real world funny stories in this module. This course is hosted at Pluralsight. You will need a valid login for Pluralsight to watch Play by Play: Pinal Dave course. You can also sign up for FREE Trial of Pluralsight to watch this course. As today is my birthday – I will give 10 people (randomly) who will express their desire to learn this course, a free code. Please leave your comment and I will send you free code to watch this course for free. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQL Training, SQLAuthority News, T SQL, Video

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World Record Oracle Business Intelligence Benchmark on SPARC T4-4

- by Brian

Oracle's SPARC T4-4 server configured with four SPARC T4 3.0 GHz processors delivered the first and best performance of 25,000 concurrent users on Oracle Business Intelligence Enterprise Edition (BI EE) 11g benchmark using Oracle Database 11g Release 2 running on Oracle Solaris 10. A SPARC T4-4 server running Oracle Business Intelligence Enterprise Edition 11g achieved 25,000 concurrent users with an average response time of 0.36 seconds with Oracle BI server cache set to ON. The benchmark data clearly shows that the underlying hardware, SPARC T4 server, and the Oracle BI EE 11g (11.1.1.6.0 64-bit) platform scales within a single system supporting 25,000 concurrent users while executing 415 transactions/sec. The benchmark demonstrated the scalability of Oracle Business Intelligence Enterprise Edition 11g 11.1.1.6.0, which was deployed in a vertical scale-out fashion on a single SPARC T4-4 server. Oracle Internet Directory configured on SPARC T4 server provided authentication for the 25,000 Oracle BI EE users with sub-second response time. A SPARC T4-4 with internal Solid State Drive (SSD) using the ZFS file system showed significant I/O performance improvement over traditional disk for the Web Catalog activity. In addition, ZFS helped get past the UFS limitation of 32767 sub-directories in a Web Catalog directory. The multi-threaded 64-bit Oracle Business Intelligence Enterprise Edition 11g and SPARC T4-4 server proved to be a successful combination by providing sub-second response times for the end user transactions, consuming only half of the available CPU resources at 25,000 concurrent users, leaving plenty of head room for increased load. The Oracle Business Intelligence on SPARC T4-4 server benchmark results demonstrate that comprehensive BI functionality built on a unified infrastructure with a unified business model yields best-in-class scalability, reliability and performance. Oracle BI EE 11g is a newer version of Business Intelligence Suite with richer and superior functionality. Results produced with Oracle BI EE 11g benchmark are not comparable to results with Oracle BI EE 10g benchmark. Oracle BI EE 11g is a more difficult benchmark to run, exercising more features of Oracle BI. Performance Landscape Results for the Oracle BI EE 11g version of the benchmark. Results are not comparable to the Oracle BI EE 10g version of the benchmark. Oracle BI EE 11g Benchmark System Number of Users Response Time (sec) 1 x SPARC T4-4 (4 x SPARC T4 3.0 GHz) 25,000 0.36 Results for the Oracle BI EE 10g version of the benchmark. Results are not comparable to the Oracle BI EE 11g version of the benchmark. Oracle BI EE 10g Benchmark System Number of Users 2 x SPARC T5440 (4 x SPARC T2+ 1.6 GHz) 50,000 1 x SPARC T5440 (4 x SPARC T2+ 1.6 GHz) 28,000 Configuration Summary Hardware Configuration: SPARC T4-4 server 4 x SPARC T4-4 processors, 3.0 GHz 128 GB memory 4 x 300 GB internal SSD Storage Configuration: "> Sun ZFS Storage 7120 16 x 146 GB disks Software Configuration: Oracle Solaris 10 8/11 Oracle Solaris Studio 12.1 Oracle Business Intelligence Enterprise Edition 11g (11.1.1.6.0) Oracle WebLogic Server 10.3.5 Oracle Internet Directory 11.1.1.6.0 Oracle Database 11g Release 2 Benchmark Description Oracle Business Intelligence Enterprise Edition (Oracle BI EE) delivers a robust set of reporting, ad-hoc query and analysis, OLAP, dashboard, and scorecard functionality with a rich end-user experience that includes visualization, collaboration, and more. The Oracle BI EE benchmark test used five different business user roles - Marketing Executive, Sales Representative, Sales Manager, Sales Vice-President, and Service Manager. These roles included a maximum of 5 different pre-built dashboards. Each dashboard page had an average of 5 reports in the form of a mix of charts, tables and pivot tables, returning anywhere from 50 rows to approximately 500 rows of aggregated data. The test scenario also included drill-down into multiple levels from a table or chart within a dashboard. The benchmark test scenario uses a typical business user sequence of dashboard navigation, report viewing, and drill down. For example, a Service Manager logs into the system and navigates to his own set of dashboards using Service Manager. The BI user selects the Service Effectiveness dashboard, which shows him four distinct reports, Service Request Trend, First Time Fix Rate, Activity Problem Areas, and Cost Per Completed Service Call spanning 2002 to 2005. The user then proceeds to view the Customer Satisfaction dashboard, which also contains a set of 4 related reports, drills down on some of the reports to see the detail data. The BI user continues to view more dashboards – Customer Satisfaction and Service Request Overview, for example. After navigating through those dashboards, the user logs out of the application. The benchmark test is executed against a full production version of the Oracle Business Intelligence 11g Applications with a fully populated underlying database schema. The business processes in the test scenario closely represent a real world customer scenario. See Also SPARC T4-4 Server oracle.com OTN Oracle Business Intelligence oracle.com OTN Oracle Database 11g Release 2 Enterprise Edition oracle.com OTN WebLogic Suite oracle.com OTN Oracle Solaris oracle.com OTN Disclosure Statement Copyright 2012, Oracle and/or its affiliates. All rights reserved. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners. Results as of 30 September 2012.

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Juniper Strategy, LLC is hiring SharePoint Developers…

- by Mark Rackley

Isn’t everybody these days? It seems as though there are definitely more jobs than qualified devs these days, but yes, we are looking for a few good devs to help round out our burgeoning SharePoint team. Juniper Strategy is located in the DC area, however we will consider remote devs for the right fit. This is your chance to get in on the ground floor of a bright company that truly “gets it” when it comes to SharePoint, Project Management, and Information Assurance. We need like-minded people who “get it”, enjoy it, and who are looking for more than just a job. We have government and commercial opportunities as well as our own internal product that has a bright future of its own. Our immediate needs are for SharePoint .NET developers, but feel free to submit your resume for us to keep on file as it looks as though we’ll need several people in the coming months. Please email us your resume and salary requirements to [email protected] Below are our official job postings. Thanks for stopping by, we look forward to hearing from you. Senior SharePoint .NET Developer Senior developer will focus on design and coding of custom, end-to-end business process solutions within the SharePoint framework. Senior developer with the ability to serve as a senior developer/mentor and manage day-to-day development tasks. Work with business consultants and clients to gather requirements to prepare business functional specifications. Analyze and recommend technical/development alternative paths based on business functional specifications. For selected development path, prepare technical specification and build the solution. Assist project manager with defining development task schedule and level-of-effort. Lead technical solution deployment. Job Requirements Minimum of 7 years experience in agile development, with at least 3 years of SharePoint-related development experience (SPS, SharePoint 2007/2010, WSS2-4). Thorough understanding of and demonstrated experience in development under the SharePoint Object Model, with focus on the WSS 3.0 foundation (MOSS 2007 Standard/Enterprise, Project Server 2007). Experience with using multiple data sources/repositories for database CRUD activities, including relational databases, SAP, Oracle e-Business. Experience with designing and deploying performance-based solutions in SharePoint for business processes that involve a very large number of records. Experience designing dynamic dashboards and mashups with data from multiple sources (internal to SharePoint as well as from external sources). Experience designing custom forms to facilitate user data entry, both with and without leveraging Forms Services. Experience building custom web part solutions. Experience with designing custom solutions for processing underlying business logic requirements including, but not limited to, SQL stored procedures, C#/ASP.Net workflows/event handlers (including timer jobs) to support multi-tiered decision trees and associated computations. Ability to create complex solution packages for deployment (e.g., feature-stapled site definitions). Must have impeccable communication skills, both written and verbal. Seeking a "tinkerer"; proactive with a thirst for knowledge (and a sense of humor). A US Citizen is required, and need to be able to pass NAC/E-Verify. An active Secret clearance is preferred. Applicants must pass a skills assessment test. MCP/MCTS or comparable certification preferred. Salary & Travel Negotiable SharePoint Project Lead Define project task schedule, work breakdown structure and level-of-effort. Serve as principal liaison to the customer to manage deliverables and expectations. Day-to-day project and team management, including preparation and maintenance of project plans, budgets, and status reports. Prepare technical briefings and presentation decks, provide briefs to C-level stakeholders. Work with business consultants and clients to gather requirements to prepare business functional specifications. Analyze and recommend technical/development alternative paths based on business functional specifications. The SharePoint Project Lead will be working with SharePoint architects and system owners to perform requirements/gap analysis and develop the underlying functional specifications. Once we have functional specifications as close to "final" as possible, the Project Lead will be responsible for preparation of the associated technical specification/development blueprint, along with assistance in preparing IV&V/test plan materials with support from other team members. This person will also be responsible for day-to-day management of "developers", but is also expected to engage in development directly as needed. Job Requirements Minimum 8 years of technology project management across the software development life-cycle, with a minimum of 3 years of project management relating specifically to SharePoint (SPS 2003, SharePoint2007/2010) and/or Project Server. Thorough understanding of and demonstrated experience in development under the SharePoint Object Model, with focus on the WSS 3.0 foundation (MOSS 2007 Standard/Enterprise, Project Server 2007). Ability to interact and collaborate effectively with team members and stakeholders of different skill sets, personalities and needs. General "development" skill set required is a fundamental understanding of MOSS 2007 Enterprise, SP1/SP2, from the top-level of skinning to the core of the SharePoint object model. Impeccable communication skills, both written and verbal, and a sense of humor are required. The projects will require being at a client site at least 50% of the time in Washington DC (NW DC) and Maryland (near Suitland). A US Citizen is required, and need to be able to pass NAC/E-Verify. An active Secret clearance is preferred. PMP certification, PgMP preferred. Salary & Travel Negotiable

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Setting up apache to view https pages

- by zac

I am trying to set up a site using vmware workstation, ubuntu 11.10, and apache2. The site works fine but now the https pages are not showing up. For example if I try to go to https://www.mysite.com/checkout I just see the message Not Found The requested URL /checkout/ was not found on this server. I dont really know what I am doing and have tried a lot of things to get the ssl certificates in there right. A few things I have in there, in my httpd.conf I just have : ServerName localhost In my ports.conf I have : NameVirtualHost *:80 Listen 80 <IfModule mod_ssl.c> # If you add NameVirtualHost *:443 here, you will also have to change # the VirtualHost statement in /etc/apache2/sites-available/default-ssl # to <VirtualHost *:443> # Server Name Indication for SSL named virtual hosts is currently not # supported by MSIE on Windows XP. Listen 443 http </IfModule> <IfModule mod_gnutls.c> Listen 443 http </IfModule> In the /etc/apache2/sites-available/default-ssl : <IfModule mod_ssl.c> <VirtualHost _default_:443> ServerAdmin webmaster@localhost DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> .... truncated in the sites-available/default I have : <VirtualHost *:80> ServerAdmin webmaster@localhost DocumentRoot /var/www #DocumentRoot /home/magento/site/ <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> #<Directory /home/magento/site/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost> <virtualhost *:443> SSLEngine on SSLCertificateFile /etc/apache2/ssl/server.crt SSLCertificateKeyFile /etc/apache2/ssl/server.key ServerAdmin webmaster@localhost <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> #<Directory /home/magento/site/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> </virtualhost> I also have in sites-availabe a file setup for my site url, www.mysite.com so in /etc/apache2/sites-available/mysite.com <VirtualHost *:80> ServerName mysite.com DocumentRoot /home/magento/mysite.com <Directory /> Options FollowSymLinks AllowOverride All </Directory> <Directory /home/magento/mysite.com/ > Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> ErrorLog /home/magento/logs/apache.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn </VirtualHost> <VirtualHost *:443> ServerName mysite.com DocumentRoot /home/magento/mysite.com <Directory /> Options FollowSymLinks AllowOverride All </Directory> <Directory /home/magento/mysite.com/ > Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> ErrorLog /home/magento/logs/apache.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn </VirtualHost> Thanks for any help getting this setup! As is probably obvious from this post I am pretty lost at this point.

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Smarter, Faster, Cheaper: The Insurance Industry’s Dream

- by Jenna Danko

On June 3rd, I saw the Gaylord Resort Centre in Washington D.C. become the hub of C level executives and managers of insurance carriers for the IASA 2013 Conference. Insurance Accounting/Regulation and Technology sessions took the focus, but there were plenty of tertiary sessions for career development, which complemented the overall strong networking side of the conference. As an exhibitor, Oracle, along with several hundred other product providers, welcomed the opportunity to display and demonstrate our solutions and we were encouraged by hustle and bustle of the exhibition floor. The IASA organizers had pre-arranged fast track tours whereby interested conference delegates could sign up for a series of like-themed presentations from Vendors, giving them a level of 'Speed Dating' introductions to possible solutions and services. Oracle participated in a number of these, which were very well subscribed. Clearly, the conference had a strong business focus; however, attendees saw technology as a key enabler to get their processes done smarter, faster and cheaper. As we navigated through the exhibition, it became clear from the inquiries that came to us that insurance carriers are gravitating to a number of focus areas: Navigating the maze of upcoming regulatory reporting changes. For US carriers with European holdings, Solvency II carries a myriad of rules and reporting requirements. Alignment across the globe of the Own Risk and Solvency Assessment (ORSA) processes brings to the fore the National Insurance of Insurance commissioners' (NAIC) recent guidance manual publication. Doing more with less and to certainly expect more from technology for less dollars. The overall cost of IT, in particular hardware, has dropped in real terms (though the appetite for more has risen: more CPU, more RAM, more storage), but software has seen less change. Clearly, customers expect either to pay less or get a lot more from their software solutions for the same buck. Doing things smarter – A recognition that with the advance of technology to stand still no longer means you are technically going backwards. Technology and, in particular technology interactions with human business processes, has undergone incredible change over the past 5 years. Consumer usage (iPhones, etc.) has been at the forefront, but now at the Enterprise level ever more effective technology exploitation is beginning to take place. That data and, in particular gleaning knowledge from data, is refining and improving business processes. Organizations are now consuming more data than ever before, and it is set to grow exponentially for some time to come. Amassing large volumes of data is one thing, but effectively analyzing that data is another. It is the results of such analysis that leads to improvements both in terms of insurance product offerings and the processes to support them. Regulatory Compliance, damned if you do and damned if you don’t! Clearly, around the globe at lot is changing from a regulatory perspective and it is evident that in terms of regulatory requirements, whilst there is a greater convergence across jurisdictions bringing uniformity, there is also a lot of work to be done in the next 5 years. Just like the big data, hidden behind effective regulatory compliance there often lies golden nuggets that can give competitive advantages. From Oracle's perspective, our Rating Engine, Billing, Document Management and Insurance Analytics solutions on display served to strike up good conversations and, as is always the case at conferences, it was a great opportunity to meet and speak with existing Oracle customers that we might not have otherwise caught up with for a while. Fortunately, I was able to catch up on a few sessions at the close of the Exhibition. The speaker quality was high and the audience asked challenging, but pertinent, questions. During Dr. Jackie Freiberg’s keynote “Bye Bye Business as Usual,” the author discussed 8 strategies to help leaders create a culture where teams consistently deliver innovative ideas by disrupting the status quo. The very first strategy: Get wired for innovation. Freiberg admitted that folks in the insurance and financial services industry understand and know innovation is important, but oftentimes they are slow adopters. Today, technology and innovation go hand in hand. In speaking to delegates during and after the conference, a high degree of satisfaction could be measured from their positive comments of speaker sessions and the exhibitors. I suspect many will be back in 2014 with Indianapolis as the conference location. Did you attend the IASA Conference in Washington D.C.? If so, I would love to hear your comments. Andrew Collins is the Director, Solvency II of Oracle Financial Services. He can be reached at andrew.collins AT oracle.com.

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World Record Batch Rate on Oracle JD Edwards Consolidated Workload with SPARC T4-2

- by Brian

Oracle produced a World Record batch throughput for single system results on Oracle's JD Edwards EnterpriseOne Day-in-the-Life benchmark using Oracle's SPARC T4-2 server running Oracle Solaris Containers and consolidating JD Edwards EnterpriseOne, Oracle WebLogic servers and the Oracle Database 11g Release 2. The workload includes both online and batch workload. The SPARC T4-2 server delivered a result of 8,000 online users while concurrently executing a mix of JD Edwards EnterpriseOne Long and Short batch processes at 95.5 UBEs/min (Universal Batch Engines per minute). In order to obtain this record benchmark result, the JD Edwards EnterpriseOne, Oracle WebLogic and Oracle Database 11g Release 2 servers were executed each in separate Oracle Solaris Containers which enabled optimal system resources distribution and performance together with scalable and manageable virtualization. One SPARC T4-2 server running Oracle Solaris Containers and consolidating JD Edwards EnterpriseOne, Oracle WebLogic servers and the Oracle Database 11g Release 2 utilized only 55% of the available CPU power. The Oracle DB server in a Shared Server configuration allows for optimized CPU resource utilization and significant memory savings on the SPARC T4-2 server without sacrificing performance. This configuration with SPARC T4-2 server has achieved 33% more Users/core, 47% more UBEs/min and 78% more Users/rack unit than the IBM Power 770 server. The SPARC T4-2 server with 2 processors ran the JD Edwards "Day-in-the-Life" benchmark and supported 8,000 concurrent online users while concurrently executing mixed batch workloads at 95.5 UBEs per minute. The IBM Power 770 server with twice as many processors supported only 12,000 concurrent online users while concurrently executing mixed batch workloads at only 65 UBEs per minute. This benchmark demonstrates more than 2x cost savings by consolidating the complete solution in a single SPARC T4-2 server compared to earlier published results of 10,000 users and 67 UBEs per minute on two SPARC T4-2 and SPARC T4-1. The Oracle DB server used mirrored (RAID 1) volumes for the database providing high availability for the data without impacting performance. Performance Landscape JD Edwards EnterpriseOne Day in the Life (DIL) Benchmark Consolidated Online with Batch Workload System Rack Units BatchRate(UBEs/m) Online Users Users /Units Users /Core Version SPARC T4-2 (2 x SPARC T4, 2.85 GHz) 3 95.5 8,000 2,667 500 9.0.2 IBM Power 770 (4 x POWER7, 3.3 GHz, 32 cores) 8 65 12,000 1,500 375 9.0.2 Batch Rate (UBEs/m) — Batch transaction rate in UBEs per minute Configuration Summary Hardware Configuration: 1 x SPARC T4-2 server with 2 x SPARC T4 processors, 2.85 GHz 256 GB memory 4 x 300 GB 10K RPM SAS internal disk 2 x 300 GB internal SSD 2 x Sun Storage F5100 Flash Arrays Software Configuration: Oracle Solaris 10 Oracle Solaris Containers JD Edwards EnterpriseOne 9.0.2 JD Edwards EnterpriseOne Tools (8.98.4.2) Oracle WebLogic Server 11g (10.3.4) Oracle HTTP Server 11g Oracle Database 11g Release 2 (11.2.0.1) Benchmark Description JD Edwards EnterpriseOne is an integrated applications suite of Enterprise Resource Planning (ERP) software. Oracle offers 70 JD Edwards EnterpriseOne application modules to support a diverse set of business operations. Oracle's Day in the Life (DIL) kit is a suite of scripts that exercises most common transactions of JD Edwards EnterpriseOne applications, including business processes such as payroll, sales order, purchase order, work order, and manufacturing processes, such as ship confirmation. These are labeled by industry acronyms such as SCM, CRM, HCM, SRM and FMS. The kit's scripts execute transactions typical of a mid-sized manufacturing company. The workload consists of online transactions and the UBE – Universal Business Engine workload of 61 short and 4 long UBEs. LoadRunner runs the DIL workload, collects the user’s transactions response times and reports the key metric of Combined Weighted Average Transaction Response time. The UBE processes workload runs from the JD Enterprise Application server. Oracle's UBE processes come as three flavors: Short UBEs < 1 minute engage in Business Report and Summary Analysis, Mid UBEs > 1 minute create a large report of Account, Balance, and Full Address, Long UBEs > 2 minutes simulate Payroll, Sales Order, night only jobs. The UBE workload generates large numbers of PDF files reports and log files. The UBE Queues are categorized as the QBATCHD, a single threaded queue for large and medium UBEs, and the QPROCESS queue for short UBEs run concurrently. Oracle's UBE process performance metric is Number of Maximum Concurrent UBE processes at transaction rate, UBEs/minute. Key Points and Best Practices Two JD Edwards EnterpriseOne Application Servers, two Oracle WebLogic Servers 11g Release 1 coupled with two Oracle Web Tier HTTP server instances and one Oracle Database 11g Release 2 database on a single SPARC T4-2 server were hosted in separate Oracle Solaris Containers bound to four processor sets to demonstrate consolidation of multiple applications, web servers and the database with best resource utilizations. Interrupt fencing was configured on all Oracle Solaris Containers to channel the interrupts to processors other than the processor sets used for the JD Edwards Application server, Oracle WebLogic servers and the database server. A Oracle WebLogic vertical cluster was configured on each WebServer Container with twelve managed instances each to load balance users' requests and to provide the infrastructure that enables scaling to high number of users with ease of deployment and high availability. The database log writer was run in the real time RT class and bound to a processor set. The database redo logs were configured on the raw disk partitions. The Oracle Solaris Container running the Enterprise Application server completed 61 Short UBEs, 4 Long UBEs concurrently as the mixed size batch workload. The mixed size UBEs ran concurrently from the Enterprise Application server with the 8,000 online users driven by the LoadRunner. See Also SPARC T4-2 Server oracle.com OTN JD Edwards EnterpriseOne oracle.com OTN Oracle Solaris oracle.com OTN Oracle Database 11g Release 2 Enterprise Edition oracle.com OTN Oracle Fusion Middleware oracle.com OTN Disclosure Statement Copyright 2012, Oracle and/or its affiliates. All rights reserved. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners. Results as of 09/30/2012.

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Hiding an item conditionally through SPEL in OAF ( VO Extension + Personalization )

- by Manoj Madhusoodanan

In this blog I will explain how to conditionally set property of an item through personalization.Let me discuss using a business scenario. My customer wants to make Hold from Payment/ All Invoices column readonly when the Operating Unit is UK ( Configured in a lookup XXCUST_EXCLUDED_ORGS ). Analysis First thing is we have to find out the page and business components. Page: /oracle/apps/pos/supplier/webui/QuickUpdatePGView Object: oracle.apps.pos.supplier.server.SitesVO Solution Download oracle.apps.pos.supplier.server.SitesVO from $JAVA_TOP to JDEV_USER_HOME/myprojects.Make sure the transfer mode of the file (See below table). Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} File Type Transfer Mode .xml ASCII .class Binary .tar Binary .java ASCII Since there is no VO attribute available to determine the Site Org against the lookup Org we have to add the logic inside a custom VO attribute. So VO extension is required in this scenario. Add an attribute "isPymtReadOnlyStr" in the existing query.This column returns 'Y' if there is a match in the lookup otherwise 'N'. Create a transient attribute "isPymtReadOnly" of type BOOLEAN.This will return TRUE if "isPymtReadOnlyStr" is "Y" otherwise FALSE. The reason behind adding the "isPymtReadOnly" is we are setting the item property as readonly through SPEL.It will recognize only BOOLEAN.But SQL query doesn't support BOOLEAN.So we are building a BOOLEAN attribute from the SQL which will use in the personalization layer to set the item property. Steps 1) Create a new VO xxcust.oracle.apps.pos.supplier.server.XXCUSTSitesVO which extends from oracle.apps.pos.supplier.server.SitesVO. Make sure the binding style should be same as SitesVO. Create the XXCUSTSitesVO which same query of SitesVO.Later we will add the new attribute to XXCUSTSitesVO. At this point of time all the existing VO attributes are of Updatable property as "Always". Press Finish without creating XXCUSTSitesVORowImpl.java 2) Select the XXCUSTSitesVO from JDeveloper Application Navigator. Modify the query and add the extra column. 3) Create a new transient attribute as follows. 4) Once you modify the query all the existing attributes Updatable property will change to Never.So revert that property back to orginal. 5) Create XXCUSTSitesVORowImpl.java by checking the following check box. 6) Add the following code snippet in XXCUSTSitesVORowImpl.java 7) Create the substitution for SitesVO as follows. Following entry will get created in current jpx file. <Substitutes> <Substitute OldName ="oracle.apps.pos.supplier.server.SitesVO" NewName ="xxcust.oracle.apps.pos.supplier.server.XXCUSTSitesVO" /> </Substitutes> 8) Migrate XXCUSTSitesVOImpl.java,XXCUSTSitesVORowImpl.java and XXCUSTSitesVO.xml from desktop to actual instance. 9) Migrate the substitution using jpximporter. 10) Restart the server and verify the substitution has done perfectly. 11) Go to /oracle/apps/pos/supplier/webui/QuickUpdatePG and personalize the page.Set the item read only property to ${oa.SitesVO.IsPymtReadOnly} 12) Click on Apply and in next page click on Return to Application. Verify your output. Note: You can remove the substitution using following script.Please click here.

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SQLAuthority News – Technical Review of Learning at Koenig Solutions

- by pinaldave

Yesterday I finished my 3 days fast track in person learning of course End to End SQL Server Business Intelligence at Koenig Solutions. You can read my previous article over here regarding why am I learning SQL Server. Yesterday I blogged about my experience of arriving to Training Center and my induction with the center. The Training Days I had enrolled for three days training so my routine each of the three days was very much same. However, the content every day was different as I was learning something new every day. Let me describe a few of the interesting details of my daily routine. A Single Student Batch The best part of my training was that in my training batch, I am single student. Koenig is known to smaller batches and often they have single student batches as well. I was very much delighted to know that I will have dedicated access and attention from my trainer in my batch as I will be single student in my batch. In most of the labs I have observed there are no more than 4 students at any time. Prakash and Pinal 7:30 AM Breakfast Talk We all students gather at 7:30 in breakfast area. The best time of the day. I was the only Indian student in the group. The other students were from USA, Canada, Nigeria, Bhutan, Tanzania, and a few others from other countries. I immediately become the source of information and reference manual. Though the distance between Delhi and Bangalore is 2000+ KM I was considered as a local guy. 8:30 AMHeading to Training Center Every day without fail at 8:30 the van started from our accommodation to the training center. As mentioned in an earlier blog post the distance is about 5 minutes and we were able to reach at the location before 8:45. This gave us some time settle in before our class starts at 9:00 AM. 9:00 AM Order Lunch Food Well it may sound funny that we just had breakfast 30 minutes but the first thing everybody has to do is to order lunch as soon as the class starts. There is an online training portal to order food for the day. Everybody has to place their order early during the day so the food arrives on time during lunch time. Everybody can order whatever they want to order using an online ordering system. The options are plenty and everybody can order what they like. 9:05 AM Learning Starts After deciding the lunch we started the learning. I was very fortunate to have a very experienced trainer - Prakash Chheatry. Though I have never met him before I have heard a lot about Prakash. He is known as the top most SQL Server Trainer in India. His student list contains some of the very well known SQL Server Experts of the world and few of SQL Server “best seller” book authors. Learning continues till 1:00 PM with one tea-coffee break in between. 1:00 PM Lunch The lunch time is again the fun time. We all students get together in the afternoon and tell the stories of the world. Indeed the best part of the day beside learning new stuff. 4:55 PM Ready to Return We stop at 4:55 as at precisely 5:00 PM the van stops by the institute which takes us back to our accommodation. Trust me seriously long long day always but the amount of the learning is the win of the day. 7:30 PM Dinner Time After coming back to the accommodation I study till 7:30 and then rush for dinner. Dinner is world cuisine and deserts are really delicious. After dinner every day I have written a blog and retired early as the next day is always going to be busier than the present day. What did I learn As I mentioned earlier I know SQL Server fairly well. I had expressed the same in my conversation as well. This is the reason I was assigned a fairly senior trainer and we learned everything quite quickly. As I know quite a few things we went pretty fast in many topics. There were a few things, I wanted to learn in detail as well practice on the labs. We slowed down where we wanted and rush through the concepts where I was very comfortable. Here is the list of the things which we covered in action pack three days. Introduction to Business Intelligence (Intro) SQL Server Analysis Service (Theory and Lab) SQL Server Integration Service (Theory and Lab) SQL Server Reporting Service (Theory and Lab) SQL Server PowerPivot (Lab) UDM (Theory) SharePoint Concepts (Theory) Power View (Demo) Business Intelligence and Security (Discussion) Well, I was delighted that I was able to refresh lots of concepts during these three days. Thanks to my trainer and my friend who helped me to have a good learning experience. I believe all the learning will help me in my growth and future career. With this I end my this experience. I am planning to have another online learning experience later this month. I will blog about my experience as I begin it. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQL Training, T SQL, Technology

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Custom fail2ban Filter for phpMyadmin bruteforce attempts

- by Michael Robinson

In my quest to block excessive failed phpMyAdmin login attempts with fail2ban, I've created a script that logs said failed attempts to a file: /var/log/phpmyadmin_auth.log Custom log The format of the /var/log/phpmyadmin_auth.log file is: phpMyadmin login failed with username: root; ip: 192.168.1.50; url: http://somedomain.com/phpmyadmin/index.php phpMyadmin login failed with username: ; ip: 192.168.1.50; url: http://192.168.1.48/phpmyadmin/index.php Custom filter [Definition] # Count all bans in the logfile failregex = phpMyadmin login failed with username: .*; ip: <HOST>; phpMyAdmin jail [phpmyadmin] enabled = true port = http,https filter = phpmyadmin action = sendmail-whois[name=HTTP] logpath = /var/log/phpmyadmin_auth.log maxretry = 6 The fail2ban log contains: 2012-10-04 10:52:22,756 fail2ban.server : INFO Stopping all jails 2012-10-04 10:52:23,091 fail2ban.jail : INFO Jail 'ssh-iptables' stopped 2012-10-04 10:52:23,866 fail2ban.jail : INFO Jail 'fail2ban' stopped 2012-10-04 10:52:23,994 fail2ban.jail : INFO Jail 'ssh' stopped 2012-10-04 10:52:23,994 fail2ban.server : INFO Exiting Fail2ban 2012-10-04 10:52:24,253 fail2ban.server : INFO Changed logging target to /var/log/fail2ban.log for Fail2ban v0.8.6 2012-10-04 10:52:24,253 fail2ban.jail : INFO Creating new jail 'ssh' 2012-10-04 10:52:24,253 fail2ban.jail : INFO Jail 'ssh' uses poller 2012-10-04 10:52:24,260 fail2ban.filter : INFO Added logfile = /var/log/auth.log 2012-10-04 10:52:24,260 fail2ban.filter : INFO Set maxRetry = 6 2012-10-04 10:52:24,261 fail2ban.filter : INFO Set findtime = 600 2012-10-04 10:52:24,261 fail2ban.actions: INFO Set banTime = 600 2012-10-04 10:52:24,279 fail2ban.jail : INFO Creating new jail 'ssh-iptables' 2012-10-04 10:52:24,279 fail2ban.jail : INFO Jail 'ssh-iptables' uses poller 2012-10-04 10:52:24,279 fail2ban.filter : INFO Added logfile = /var/log/auth.log 2012-10-04 10:52:24,280 fail2ban.filter : INFO Set maxRetry = 5 2012-10-04 10:52:24,280 fail2ban.filter : INFO Set findtime = 600 2012-10-04 10:52:24,280 fail2ban.actions: INFO Set banTime = 600 2012-10-04 10:52:24,287 fail2ban.jail : INFO Creating new jail 'fail2ban' 2012-10-04 10:52:24,287 fail2ban.jail : INFO Jail 'fail2ban' uses poller 2012-10-04 10:52:24,287 fail2ban.filter : INFO Added logfile = /var/log/fail2ban.log 2012-10-04 10:52:24,287 fail2ban.filter : INFO Set maxRetry = 3 2012-10-04 10:52:24,288 fail2ban.filter : INFO Set findtime = 604800 2012-10-04 10:52:24,288 fail2ban.actions: INFO Set banTime = 604800 2012-10-04 10:52:24,292 fail2ban.jail : INFO Jail 'ssh' started 2012-10-04 10:52:24,293 fail2ban.jail : INFO Jail 'ssh-iptables' started 2012-10-04 10:52:24,297 fail2ban.jail : INFO Jail 'fail2ban' started When I issue: sudo service fail2ban restart fail2ban emails me to say ssh has restarted, but I receive no such email about my phpmyadmin jail. Repeated failed logins to phpMyAdmin does not cause an email to be sent. Have I missed some critical setup? Is my filter's regular expression wrong? Update: added changes from default installation Starting with a clean fail2ban installation: cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local Change email address to my own, action to: action = %(action_mwl)s Append the following to jail.local [phpmyadmin] enabled = true port = http,https filter = phpmyadmin action = sendmail-whois[name=HTTP] logpath = /var/log/phpmyadmin_auth.log maxretry = 4 Add the following to /etc/fail2ban/filter.d/phpmyadmin.conf # phpmyadmin configuration file # # Author: Michael Robinson # [Definition] # Option: failregex # Notes.: regex to match the password failures messages in the logfile. The # host must be matched by a group named "host". The tag "<HOST>" can # be used for standard IP/hostname matching and is only an alias for # (?:::f{4,6}:)?(?P<host>\S+) # Values: TEXT # # Count all bans in the logfile failregex = phpMyadmin login failed with username: .*; ip: <HOST>; # Option: ignoreregex # Notes.: regex to ignore. If this regex matches, the line is ignored. # Values: TEXT # # Ignore our own bans, to keep our counts exact. # In your config, name your jail 'fail2ban', or change this line! ignoreregex = Restart fail2ban sudo service fail2ban restart PS: I like eggs

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httpd.conf configuration - for internal/external access

- by tom smith

hey. after a lot of trail/error/research, i've decided to post here in the hopes that i can get clarification on what i've screwed up... i've got a situation where i have multiple servers behind a router/firewall. i want to be able to access the sites i have from an internal and external url/address, and get the same site. i have to use portforwarding on the router, so i need to be able to use proxyreverse to redirect the user to the approriate server, running the apache/web app... my setup the external urls joomla.gotdns.com forge.gotdns.com both of these point to my router's external ip address (67.168.2.2) (not really) the router forwards port 80 to my server lserver6 192.168.1.56 lserver6 - 192.168.1.56 lserver9 - 192.168.1.59 lserver6 - joomla app lserver9 - forge app i want to be able to have the httpd process (httpd.conf) configured on lserver6 to be able to allow external users accessing the system (foo.gotdns.com) be able to access the joomla app on lserver6 and the same for the forge app running on lserver9 at the same time, i would also like to be able to access the apps from the internal servers, so i'd need to be able to somehow configure the vhost setup/proxyreverse setup to handle the internal access... i've tried setting up multiple vhosts with no luck.. i've looked at the different examples online.. so there must be something subtle that i'm missing... the section of my httpd.conf file that deals with the vhost is below... if there's something else that's needed, let me know and i can post it as well.. thanks -tom ##joomla - file /etc/httpd/conf.d/joomla.conf Alias /joomla /var/www/html/joomla <Directory /var/www/html/joomla> </Directory> # Use name-based virtual hosting. #NameVirtualHost *:80 # NOTE: NameVirtualHost cannot be used without a port specifier # (e.g. :80) if mod_ssl is being used, due to the nature of the # SSL protocol. # VirtualHost example: # Almost any Apache directive may go into a VirtualHost container. # The first VirtualHost section is used for requests without a known # server name. #<VirtualHost *:80> # ServerAdmin [email protected] # DocumentRoot /www/docs/dummy-host.example.com # ServerName dummy-host.example.com # ErrorLog logs/dummy-host.example.com-error_log # CustomLog logs/dummy-host.example.com-access_log common #</VirtualHost> NameVirtualHost 192.168.1.56:80 <VirtualHost 192.168.1.56:80> #ServerAdmin [email protected] #DocumentRoot /var/www/html #ServerName lserver6.tmesa.com #ServerName fforge.tmesa.com ServerName fforge.gotdns.com:80 #ErrorLog logs/dummy-host.example.com-error_log #CustomLog logs/dummy-host.example.com-access_log common #ProxyRequests Off ProxyPass / http://192.168.1.81:80/ ProxyPassReverse / http://192.168.1.81:80/ </VirtualHost> <VirtualHost 192.168.1.56:80> #ServerAdmin [email protected] DocumentRoot /var/www/html/joomla #ServerName lserver6.tmesa.com #ServerName fforge.tmesa.com ServerName 192.168.1.56:80 #ErrorLog logs/dummy-host.example.com-error_log #CustomLog logs/dummy-host.example.com-access_log common #ProxyRequests Off </VirtualHost>

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Weekend With #iPad

- by andrewbrust

Saturday morning, I got up, got dressed and took a 7-minute walk up to the Apple Store in New York’s Meatpacking District to pick up my reserved iPad. This precinct, which borders Greenwich Village (where I live and grew up) was, when I was a kid, a very industrial and smelly neighborhood during the day and a rough neighborhood at night. So imagine my sense of irony as I walked up Hudson Street towards 14th Street, to go wait in line with a bunch of hipsters to buy an iPad on launch day. Numerous blue T-shirt-clad Apple store workers were on hand to check people in to the line specifically identified for people who had reserved an iPad. Others workers passed out water and all of them, I kid you not, applauded people as they got their chance to go into the store and buy their devices. They also cheered people and yelled “congratulations” as they left. The event had all the charm of a mass wedding officiated by Reverend Sung Myung Moon. Once inside, a nice dude named Trey, with lots of tattoos on his calves, helped me and I acquired my device in short order. Another guy helped me activate the device, which was comical, because that has to be done through iTunes, which I hadn’t logged into in a while. Turns out my user id was my email address from the company I sold 5 1/2 years ago. Who knew? Regardless, I go the device working, packed up and left the store, shuddering as I was cheered and congratulated. By this time (about 10:30am) the line for reserved units and even walk-ins, was gone. The iPhone launch this was not. As much as I detested the Apple Store experience, I must say the device is really nice. the screen is bright, the colors are bold, and the experience is ultra-smooth. I quickly tested Safari, YouTube, Google Maps, and then installed a few apps, including the New York Times Editors’ Choice and a couple of Twitter clients. Some initial raves: Google Maps and Street View on the iPad is just amazing. The screen is full-size like a PC or Mac, but it’s right in front of you and responding to taps and flicks and pinches and it’s really engulfing. Video and photos are really nice on this device, despite the fact that 16:9 and anamorphic aspect ration content is letter boxed. It still looks amazing. And apps that are designed especially for the iPad, including The Weather Channel and Gilt and Kayak just look stunning. The richness, the friendly layout, the finger-friendly UIs, and the satisfaction of not having a keyboard between you and the information you’re managing, while you sit on a couch or an easy chair, is just really a beautiful thing. The mere experience of seeing these apps’ splash screens causes a shiver and Goosebumps. Truly. The iPad is not a desktop machine, and it’s not pocket device. That doesn’t mean it’s useless though. It’s the perfect “couchtop” computer. Now some downsides: the WiFi radio seems a bit flakey. More than a few times, I have had to toggle the WiFi off and back on to get it to connect properly. Worse yet, the iPad is totally bamboozled by the fact that I have four WiFi access points in my house, each with the same SSID. My laptops are smart enough to roam from one to the other, but the iPad seems to maintain an affinity for the downstairs access point, even if I’m turning it on two flights up. Telling the iPad to “forget” my WiFi network and then re-associate with it doesn’t help. More downers: as you might expect, there are far more applications developed for the iPhone than the iPad. And although iPhone apps run on the iPad, that provides about the same experience as watching standard def on a big HD flat panel, complete with the lousy choice of thick black borders or zooming the picture in to fill the screen. And speaking of iPhone Apps, I can’t get the Sonos one to work. Ideally, they’d have a dedicated iPad app and it would work on the first try. And the iPad is just as bad as any netbook when it comes to being a magnet for fingerprints. The lack of multi-tasking is quite painful too – truly, I don’t mind if only one app can be active at once, but the lack of ability to switch between apps, and the requirement to return to the home screen and re-launch a previous app to switch back, is already old and I’ve had the thing less than 48 hours. These are just initial impressions. I’ll have a fuller analysis soon, after I’ve had some more break-in time with my new toy. I’ll be thinking not just about the iPad and iPhone but also about Android, the 2.1 update for which was pushed to my Droid today, and Windows Phone 7, whose “hub” concept I now understand the value of. This has been a great year for alternative computing devices, and I see no net downside for Apple, Google or Microsoft. Exciting times.

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C# 4.0: Covariance And Contravariance In Generics

- by Paulo Morgado

C# 4.0 (and .NET 4.0) introduced covariance and contravariance to generic interfaces and delegates. But what is this variance thing? According to Wikipedia, in multilinear algebra and tensor analysis, covariance and contravariance describe how the quantitative description of certain geometrical or physical entities changes when passing from one coordinate system to another.(*) But what does this have to do with C# or .NET? In type theory, a the type T is greater (>) than type S if S is a subtype (derives from) T, which means that there is a quantitative description for types in a type hierarchy. So, how does covariance and contravariance apply to C# (and .NET) generic types? In C# (and .NET), variance applies to generic type parameters and not to the resulting generic type. A generic type parameter is: covariant if the ordering of the generic types follows the ordering of the generic type parameters: Generic<T> = Generic<S> for T = S. contravariant if the ordering of the generic types is reversed from the ordering of the generic type parameters: Generic<T> = Generic<S> for T = S. invariant if neither of the above apply. If this definition is applied to arrays, we can see that arrays have always been covariant because this is valid code: object[] objectArray = new string[] { "string 1", "string 2" }; objectArray[0] = "string 3"; objectArray[1] = new object(); However, when we try to run this code, the second assignment will throw an ArrayTypeMismatchException. Although the compiler was fooled into thinking this was valid code because an object is being assigned to an element of an array of object, at run time, there is always a type check to guarantee that the runtime type of the definition of the elements of the array is greater or equal to the instance being assigned to the element. In the above example, because the runtime type of the array is array of string, the first assignment of array elements is valid because string = string and the second is invalid because string = object. This leads to the conclusion that, although arrays have always been covariant, they are not safely covariant – code that compiles is not guaranteed to run without errors. In C#, the way to define that a generic type parameter as covariant is using the out generic modifier: public interface IEnumerable<out T> { IEnumerator<T> GetEnumerator(); } public interface IEnumerator<out T> { T Current { get; } bool MoveNext(); } Notice the convenient use the pre-existing out keyword. Besides the benefit of not having to remember a new hypothetic covariant keyword, out is easier to remember because it defines that the generic type parameter can only appear in output positions — read-only properties and method return values. In a similar way, the way to define a type parameter as contravariant is using the in generic modifier: public interface IComparer<in T> { int Compare(T x, T y); } Once again, the use of the pre-existing in keyword makes it easier to remember that the generic type parameter can only be used in input positions — write-only properties and method non ref and non out parameters. Because covariance and contravariance apply only to the generic type parameters, a generic type definition can have both covariant and contravariant generic type parameters in its definition: public delegate TResult Func<in T, out TResult>(T arg); A generic type parameter that is not marked covariant (out) or contravariant (in) is invariant. All the types in the .NET Framework where variance could be applied to its generic type parameters have been modified to take advantage of this new feature. In summary, the rules for variance in C# (and .NET) are: Variance in type parameters are restricted to generic interface and generic delegate types. A generic interface or generic delegate type can have both covariant and contravariant type parameters. Variance applies only to reference types; if you specify a value type for a variant type parameter, that type parameter is invariant for the resulting constructed type. Variance does not apply to delegate combination. That is, given two delegates of types Action<Derived> and Action<Base>, you cannot combine the second delegate with the first although the result would be type safe. Variance allows the second delegate to be assigned to a variable of type Action<Derived>, but delegates can combine only if their types match exactly. If you want to learn more about variance in C# (and .NET), you can always read: Covariance and Contravariance in Generics — MSDN Library Exact rules for variance validity — Eric Lippert Events get a little overhaul in C# 4, Afterward: Effective Events — Chris Burrows Note: Because variance is a feature of .NET 4.0 and not only of C# 4.0, all this also applies to Visual Basic 10.

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