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• Extract files from zip folder and store these files in blobstore

  - by Eng_Engineer

  i want to upload zip folder from file input in form the i want to extract the contents of this uploaded zip folder,and store the contents (files)of this zip in the blobstore in order to download them after putting these files in one folder,but the problem is that i can't deal with the zip folder directly(to read it), i tried as this: form = cgi.FieldStorage() file_upload = form['file'] zip1=file_upload.filename zipstream=StringIO.StringIO(zip1.read()) But the problem still that i can't read the zip as previous,also i tried to read zip folder directly like this: z1=zipfile.ZipFile(zip1,"r") But there was an error in this way.Please can any one help me.Thanks in advance.

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• How do XAML files associate with cs files?

  - by LLS

  It seems that XAML files should have corresponding .cs files in a C# project. I know Visual Studio does all the things for us. I'm just curious how they are linked together? I mean, are they specified in the project file, or just because they have the same names? And also, App.xaml file specifies the startup file, but how does the compiler know? Is it possible to appoint another file other than App.xaml to do the same things as App.xaml does?

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• How to delete files with a Python script from a FTP server which are older than 7 days?

  - by Tom

  Hello I would like to write a Python script which allows me to delete files from a FTP Server after they have reached a certain age. I prepared the scipt below but it throws the error message: WindowsError: [Error 3] The system cannot find the path specified: '/test123/*.*' Do someone have an idea how to resolve this issue? Thank you in advance! import os, time from ftplib import FTP ftp = FTP('127.0.0.1') print "Automated FTP Maintainance" print 'Logging in.' ftp.login('admin', 'admin') # This is the directory that we want to go to directory = 'test123' print 'Changing to:' + directory ftp.cwd(directory) files = ftp.retrlines('LIST') print 'List of Files:' + files # ftp.remove('LIST') #------------------------------------------- now = time.time() for f in os.listdir(directory): if os.stat(f).st_mtime < now - 7 * 86400: if os.directory.isfile(f): os.remove(os.directory.join(directory, f)) #except: #exit ("Cannot delete files") #------------------------------------------- print 'Closing FTP connection' ftp.close()

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• How are files (especially audio files) organized internally?

  - by mystify

  I try to grok that: Apple is talking about "packets" in audio files, and there is a fancy function called AudioFileReadPackets which takes a lot of arguments. One of them specifies the "start packet", and another one the number of packets which you want to read. So I imagine an audio file to look like this, internally: It's made up of a lot of packets. If it's an audio file which has an variable bit rate format, then every packet may have a different size. If the file has an constant bit rate format, then every packet is the same size. So an audio file is like a truck full of boxes, and every box contains some interesting stuff. Is that correct? Does it apply to any kind of file? Is this how files actually look like?

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• Analyze VS2010 C# projects and report files on disk not part of the projects?

  - by Lasse V. Karlsen

  I discovered earlier tonight that files and folders I have removed from my C# projects are apparently still on disk, even though my Visual Studio Mercurial plugin seems to do a good job of deleting them when I delete them in Visual Studio. It must have hickuped when it came to these files. So I wondered... Does anyone have a script or similar, or know of something, that will look at my .csproj files and report extra files and folders on my disk that isn't part of the project files? I just want to clean up my repository contents.

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• Fragmented Log files could be slowing down your database

  - by Fatherjack

  Something that is sometimes forgotten by a lot of DBAs is the fact that database log files get fragmented in the same way that you get fragmentation in a data file. The cause is very different but the effect is the same – too much effort reading and writing data. Data files get fragmented as data is changed through normal system activity, INSERTs, UPDATEs and DELETEs cause fragmentation and most experienced DBAs are monitoring their indexes for fragmentation and dealing with it accordingly. However, you don’t hear about so many working on their log files. How can a log file get fragmented? I’m glad you asked. When you create a database there are at least two files created on the disk storage; an mdf for the data and an ldf for the log file (you can also have ndf files for extra data storage but that’s off topic for now). It is wholly possible to have more than one log file but in most cases there is little point in creating more than one as the log file is written to in a ‘wrap-around’ method (more on that later). When a log file is created at the time that a database is created the file is actually sub divided into a number of virtual log files (VLFs). The number and size of these VLFs depends on the size chosen for the log file. VLFs are also created in the space added to a log file when a log file growth event takes place. Do you have your log files set to auto grow? Then you have potentially been introducing many VLFs into your log file. Let’s get to see how many VLFs we have in a brand new database. USE master GO CREATE DATABASE VLF_Test ON ( NAME = VLF_Test, FILENAME = 'C:\Program Files\Microsoft SQL Server\MSSQL10.ROCK_2008\MSSQL\DATA\VLF_Test.mdf', SIZE = 100, MAXSIZE = 500, FILEGROWTH = 50 ) LOG ON ( NAME = VLF_Test_Log, FILENAME = 'C:\Program Files\Microsoft SQL Server\MSSQL10.ROCK_2008\MSSQL\DATA\VLF_Test_log.ldf', SIZE = 5MB, MAXSIZE = 250MB, FILEGROWTH = 5MB ); go USE VLF_Test go DBCC LOGINFO; The results of this are firstly a new database is created with specified files sizes and the the DBCC LOGINFO results are returned to the script editor. The DBCC LOGINFO results have plenty of interesting information in them but lets first note there are 4 rows of information, this relates to the fact that 4 VLFs have been created in the log file. The values in the FileSize column are the sizes of each VLF in bytes, you will see that the last one to be created is slightly larger than the others. So, a 5MB log file has 4 VLFs of roughly 1.25 MB. Lets alter the CREATE DATABASE script to create a log file that’s a bit bigger and see what happens. Alter the code above so that the log file details are replaced by LOG ON ( NAME = VLF_Test_Log, FILENAME = 'C:\Program Files\Microsoft SQL Server\MSSQL10.ROCK_2008\MSSQL\DATA\VLF_Test_log.ldf', SIZE = 1GB, MAXSIZE = 25GB, FILEGROWTH = 1GB ); With a bigger log file specified we get more VLFs What if we make it bigger again? LOG ON ( NAME = VLF_Test_Log, FILENAME = 'C:\Program Files\Microsoft SQL Server\MSSQL10.ROCK_2008\MSSQL\DATA\VLF_Test_log.ldf', SIZE = 5GB, MAXSIZE = 250GB, FILEGROWTH = 5GB ); This time we see more VLFs are created within our log file. We now have our 5GB log file comprised of 16 files of 320MB each. In fact these sizes fall into all the ranges that control the VLF creation criteria – what a coincidence! The rules that are followed when a log file is created or has it’s size increased are pretty basic. If the file growth is lower than 64MB then 4 VLFs are created If the growth is between 64MB and 1GB then 8 VLFs are created If the growth is greater than 1GB then 16 VLFs are created. Now the potential for chaos comes if the default values and settings for log file growth are used. By default a database log file gets a 1MB log file with unlimited growth in steps of 10%. The database we just created is 6 MB, let’s add some data and see what happens. USE vlf_test go -- we need somewhere to put the data so, a table is in order IF OBJECT_ID('A_Table') IS NOT NULL DROP TABLE A_Table go CREATE TABLE A_Table ( Col_A int IDENTITY, Col_B CHAR(8000) ) GO -- Let's check the state of the log file -- 4 VLFs found EXECUTE ('DBCC LOGINFO'); go -- We can go ahead and insert some data and then check the state of the log file again INSERT A_Table (col_b) SELECT TOP 500 REPLICATE('a',2000) FROM sys.columns AS sc, sys.columns AS sc2 GO -- insert 500 rows and we get 22 VLFs EXECUTE ('DBCC LOGINFO'); go -- Let's insert more rows INSERT A_Table (col_b) SELECT TOP 2000 REPLICATE('a',2000) FROM sys.columns AS sc, sys.columns AS sc2 GO 10 -- insert 2000 rows, in 10 batches and we suddenly have 107 VLFs EXECUTE ('DBCC LOGINFO'); Well, that escalated quickly! Our log file is split, internally, into 107 fragments after a few thousand inserts. The same happens with any logged transactions, I just chose to illustrate this with INSERTs. Having too many VLFs can cause performance degradation at times of database start up, log backup and log restore operations so it’s well worth keeping a check on this property. How do we prevent excessive VLF creation? Creating the database with larger files and also with larger growth steps and actively choosing to grow your databases rather than leaving it to the Auto Grow event can make sure that the growths are made with a size that is optimal. How do we resolve a situation of a database with too many VLFs? This process needs to be done when the database is under little or no stress so that you don’t affect system users. The steps are: BACKUP LOG YourDBName TO YourBackupDestinationOfChoice Shrink the log file to its smallest possible size DBCC SHRINKFILE(FileNameOfTLogHere, TRUNCATEONLY) * Re-size the log file to the size you want it to, taking in to account your expected needs for the coming months or year. ALTER DATABASE YourDBName MODIFY FILE ( NAME = FileNameOfTLogHere, SIZE = TheSizeYouWantItToBeIn_MB) * – If you don’t know the file name of your log file then run sp_helpfile while you are connected to the database that you want to work on and you will get the details you need. The resize step can take quite a while This is already detailed far better than I can explain it by Kimberley Tripp in her blog 8-Steps-to-better-Transaction-Log-throughput.aspx. The result of this will be a log file with a VLF count according to the bullet list above. Knowing when VLFs are being created By complete coincidence while I have been writing this blog (it’s been quite some time from it’s inception to going live) Jonathan Kehayias from SQLSkills.com has written a great article on how to track database file growth using Event Notifications and Service Broker. I strongly recommend taking a look at it as this is going to catch any sneaky auto grows that take place and let you know about them right away. Hassle free monitoring of VLFs If you are lucky or wise enough to be using SQL Monitor or another monitoring tool that let’s you write your own custom metrics then you can keep an eye on this very easily. There is a custom metric for VLFs (written by Stuart Ainsworth) already on the site and there are some others there are very useful so take a moment or two to look around while you are there. Resources MSDN – http://msdn.microsoft.com/en-us/library/ms179355(v=sql.105).aspx Kimberly Tripp from SQLSkills.com – http://www.sqlskills.com/BLOGS/KIMBERLY/post/8-Steps-to-better-Transaction-Log-throughput.aspx Thomas LaRock at Simple-Talk.com – http://www.simple-talk.com/sql/database-administration/monitoring-sql-server-virtual-log-file-fragmentation/ Disclosure I am a Friend of Red Gate. This means that I am more than likely to say good things about Red Gate DBA and Developer tools. No matter how awesome I make them sound, take the time to compare them with other products before you contact the Red Gate sales team to make your order.

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• Part 6: Extensions vs. Modifications

  - by volker.eckardt(at)oracle.com

  Customizations = Extensions + Modifications In the EBS terminology, a customization can be an extension or a modification. Extension means that you mainly create your own code from scratch. You may utilize existing views, packages and java classes, but your code is unique. Modifications are quite different, because here you take existing code and change or enhance certain areas to achieve a slightly different behavior. Important is that it doesn't matter if you place your code at the same or at another place – it is a modification. It is also not relevant if you leave the original code enabled or not! Why? Here is the answer: In case the original code piece you have taken as your base will get patched, you need to copy the source again and apply all your changes once more. If you don't do that, you may get different results or write different data compared to the standard – this causes a high risk! Here are some guidelines how to reduce the risk: Invest a bit longer when searching for objects to select data from. Rather choose a view than a table. In case Oracle development changes the underlying tables, the view will be more stable and is therefore a better choice. Choose rather public APIs over internal APIs. Same background as before: although internal structure might change, the public API is more stable. Use personalization and substitution rather than modification. Spend more time to check if the requirement can be covered with such techniques. Build a project code library, avoid that colleagues creating similar functionality multiple times. Otherwise you have to review lots of similar code to determine the need for correction. Use the technique of “flagged files”. Flagged files is a way to mark a standard deployment file. If you run the patch analyse (within Application Manager), the analyse result will list flagged standard files in case they will be patched. If you maintain a cross reference to your own CEMLIs, you can easily determine which CEMLIs have to be reviewed. Implement a code review process. This can be done by utilizing team internal or external persons. If you implement such a team internal process, your team members will come up with suggestions how to improve the code quality by themselves. Review heavy customizations regularly, to identify options to reduce complexity; let's say perform this every 6th month. You may not spend days for such a review, but a high level cross check if the customization can be reduced is suggested. De-install customizations which are no more required. Define a process for this. Add a section into the technical documentation how to uninstall and what are possible implications. Maintain a cross reference between CEMLIs and between CEMLIs, EBS modules and business processes. Keep this list up to date! Share this list! By following these guidelines, you are able to improve product stability. Although we might not be able to avoid modifications completely, we can give a much better advise to developers and to our test team. Summary: Extensions and Modifications have to be handled differently during their lifecycle. Modifications implicate a much higher risk and should therefore be reviewed more frequently. Good cross references allow you to give clear advise for the testing activities.

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• How fast are my services? Comparing basicHttpBinding and ws2007HttpBinding using the SO-Aware Test Workbench

  - by gsusx

  When working on real world WCF solutions, we become pretty aware of the performance implications of the binding and behavior configuration of WCF services. However, whether it’s a known fact the different binding and behavior configurations have direct reflections on the performance of WCF services, developers often struggle to figure out the real performance behavior of the services. We can attribute this to the lack of tools for correctly testing the performance characteristics of WCF services...(read more)

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• New EBS 12.0 AutoConfig Rollup 7 Now Available

  - by Steven Chan

  AutoConfig manages the configuration of E-Business Suite environments.  The seventh and latest rollup patch for the AutoConfig engine and tools for Oracle E-Business Suite Release 12.0 is now available for download.  The official (and admittedly-cryptic) name for this EBS 12.0 patch is: R12.TXK.A.DELTA.7 (Patch 9386653)

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• Configuring SQL Server Audit Logging with Powershell

  - by Jonathan Kehayias

  One of the standard configuration options that I set on all SQL Server installs is to log Failed Login Attempts to the SQL Server Error Log.  I recently inherited an environment that this option wasn’t standardized across all of the servers and needed to configure it for multiple servers in a scripted manner.  There are a couple of ways to handle this kind of task.  First I could log on to every server in SSMS, open the Server Properties, and set the option on the Security sheet for...(read more)

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• Recipient address rejected: User unknown in local recipient table;

  - by Thufir

  I've gone through the guide for mailman with some difficulty, but seem to be nearly there. I'm able to navigate to the mailman web GUI, create lists and subscribe. I just subscribe my local FQDN, so [email protected] for testing purposes. This FQDN only works on localhost. However, e-mails to the list address, in this case [email protected], are rejected: root@dur:~# root@dur:~# tail /var/log/mail.log Aug 28 08:28:43 dur postfix/master[12208]: terminating on signal 15 Aug 28 08:28:44 dur postfix/postfix-script[12322]: starting the Postfix mail system Aug 28 08:28:44 dur postfix/master[12323]: daemon started -- version 2.9.1, configuration /etc/postfix Aug 28 08:28:46 dur postfix/postfix-script[12332]: stopping the Postfix mail system Aug 28 08:28:46 dur postfix/master[12323]: terminating on signal 15 Aug 28 08:28:47 dur postfix/postfix-script[12437]: starting the Postfix mail system Aug 28 08:28:47 dur postfix/master[12438]: daemon started -- version 2.9.1, configuration /etc/postfix Aug 28 08:29:29 dur postfix/smtpd[12460]: connect from localhost[127.0.0.1] Aug 28 08:29:30 dur postfix/smtpd[12460]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in local recipient table; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dur.bounceme.net> Aug 28 08:29:33 dur postfix/smtpd[12460]: disconnect from localhost[127.0.0.1] root@dur:~# root@dur:~# ll /var/lib/mailman/data/ total 56 drwxrwsr-x 2 root list 4096 Aug 28 08:28 ./ drwxrwsr-x 8 root list 4096 Aug 27 19:58 ../ -rw-r--r-- 1 root list 0 Aug 28 04:36 aliases -rw-r--r-- 1 root list 12288 Aug 28 04:36 aliases.db -rw-r--r-- 1 root list 12288 Aug 28 08:28 aliases.db.db -rw-r----- 1 root list 41 Aug 27 21:04 creator.pw -rw-rw-r-- 1 root list 10 Aug 27 19:58 last_mailman_version -rw-r--r-- 1 root list 14100 Oct 19 2011 sitelist.cfg root@dur:~# root@dur:~# grep alias /etc/postfix/main.cf alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases alias_database = hash:/var/lib/mailman/data/aliases.db #alias_database = hash:/etc/aliases root@dur:~# root@dur:~# postconf -n alias_database = hash:/var/lib/mailman/data/aliases.db alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix default_transport = smtp home_mailbox = Maildir/ inet_interfaces = loopback-only mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-mail-stack-delivery.conf -m "${EXTENSION}" mailbox_size_limit = 0 mailman_destination_recipient_limit = 1 mydestination = $myhostname localhost.$mydomain localhost $mydomain myhostname = dur.bounceme.net mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 readme_directory = no recipient_delimiter = + relay_domains = lists.example.com relay_transport = relay relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_path = private/dovecot-auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtpd_tls_key_file = /etc/ssl/private/ssl-mail.key smtpd_tls_mandatory_ciphers = medium smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport root@dur:~# Why is this e-mail rejected? It seems to, maybe be related to the alias_maps and alias_database settings in postfix.

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• How to find hidden/cloak files in Windows 2003?

  - by homemdelata

  Here is the point. I set Windows to display all the hidden files and protected operating system files but even after that, my antivirus (Kaspersky) is still getting a ".dll" file on "c:\windows\system32" saying it's a riskware 'Hidden.Object'. I tried to find this file everytime but it's not there. So I asked one of the developers to create a service that verifies the folder each 5 seconds and, if it founds the file, copies to another place. If it copies to another place with the same name and extension, I still can't find the file on the other folder but Kaspersky now founds both. If I keep the same name but with a different extension, like ".temp123", I still can't find the file. Lastly, I created an empty text file and renamed with the same name as the other one, the file just gone too. After all this research It's clear that every file with this same name on this specific server gets cloak, doesn't matter the file extension. I created a file with this same name on another server and nothing happens, the file is still there without problem. How can I found this kind of file? How can I "uncloak" it? How can I know what this file is doing?

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• How many files in a directory is too many?

  - by Kip

  Does it matter how many files I keep in a single directory? If so, how many files in a directory is too many, and what are the impacts of having too many files? (This is on a Linux server.) Background: I have a photo album website, and every image uploaded is renamed to an 8-hex-digit id (say, a58f375c.jpg). This is to avoid filename conflicts (if lots of "IMG0001.JPG" files are uploaded, for example). The original filename and any useful metadata is stored in a database. Right now, I have somewhere around 1500 files in the images directory. This makes listing the files in the directory (through FTP or SSH client) take a few seconds. But I can't see that it has any affect other than that. In particular, there doesn't seem to be any impact on how quickly an image file is served to the user. I've thought about reducing the number of images by making 16 subdirectories: 0-9 and a-f. Then I'd move the images into the subdirectories based on what the first hex digit of the filename was. But I'm not sure that there's any reason to do so except for the occasional listing of the directory through FTP/SSH.

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• Bluez Installation - configuration error for DBUS 1.6

  - by padma_uma

  I am trying to install bluez 5.2 libraries on Ubuntu 12.04. while running ./configure, I received error for GLib2.0, I was able to resolve by using sudo apt get-install for GLib2. Now I am receiving the error "configure: error: D-Bus = 1.6 is required". I have downloaded DBUS 1.8.6 and installed. but still I am receiving the same error. when checked in /etc folder i still find dbus-1. is there any installation error? Regards, Padma

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• How to reload sarg configuration file

  - by black sensei

  I have installed sarg for a while on ubuntu 12.04 and forgotten that I wanted it to generate reports inside /var/www/vhosts/reports.lan/htdocs. I have found out this morning and made the change in the /etc/sarg/sarg.conf. After I have manually run sarg with # sarg-reports today but it generated in the old folder /var/lib/sarg . I know I could do a symbolic link but I was surprised that I could not find a single command to reload or at least restart sarg. Can anyone give me the command to restart or reload it? Thanks

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• TFS 2010 and SSL Configuration: Part 1 Certificates in Place

  - by Enrique Lima

  What is needed?  For starters, an understanding on the how to properly configure a certificate in IIS. Many people have found challenges in working with certificates in IIS 7 First thing is to get your certificate created, and then proceed to add it to IIS 7 By clicking on Server Certificates, we will get to this And we will be able to see the certificate or certificates installed. What options do we have to get certificates? They can be generated “in-house” or purchase them from certification authorities.  If it is “in-house”, you will those options in the Server Certificates area of IIS Manager.

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• Reset MAAS after loosing Juju configuration?

  - by Azendale

  I managed to delete my Juju client cofiguration without running a juju destroy-environment first, leaving my MaaS in a state where I could not deploy to it. I would get the following (conflicting) output $ juju bootstrap ERROR environment is already bootstrapped $ juju status ERROR Unable to connect to environment "". Please check your credentials or use 'juju bootstrap' to create a new environment. Error details: no instances found So, I tried running juju destroy-environment with the new config, to see if it would clean up the old Juju environment on the MaaS system. It gave me the error "ERROR gomaasapi: got error back from server: 409 CONFLICT". I went into the MaaS GUI and stopped the leftover machines, and then deleted all the nodes and had then go through the discovery and commissioning stages again, but I still got the same errors after all that! Is there a way to reset this?

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• Webfarm and IIS configuration tips/tricks

  - by steve schofield

  I was recently talking with some good friends about tips for performance and what an IIS Administrator could do on the server side.  I also see this question from time to time in the forums @ http://forums.iis.net.    Of course, you should test individual settings in a controlled environment while performing load testing before just implementing on your production farm.  IIS Compression enabled (both static and dynamic if possible, set it to 9)  If you are running IIS 6, check this article out by Scott Forsyth. Run FRT for long running pages (Failed Request Tracing) Sql Connection pooling in code Look at using PAL with performance counters ( http://blogs.iis.net/ganekar/archive/2009/08/12/pal-performance-analyzer-with-iis.aspx )  Look at load testing using visual studio load testing tools Log parser finding long running pages.  Here is a couple examples Look at CPU, Memory and disk counters.  Make sure the server has enough resources. Same machineKey account across all same nodes Localize content vs. using UNC based content on a single server (My UNC tag with great posts) Content expiration ETAG’s the same across all web-farms Disable Scalable Networking Pack Use YSlow or Developer tools in Chrome to help measure the client experience improvements. Additionally, some basic counters in for measuring applications is: I would recommend checking out the Chapter 17 in IIS 7 Resource kit. it was one of the chapters I authored. :) Concurrent Connections,  Request Per / Sec, Request Queued.  I strongly suggest testing one change at a time to see how it helps improve your performance.  Hopefully this post provides a few options to review in your environment.   Cheers, Steve SchofieldMicrosoft MVP - IIS

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• Coherence Configuration For Multiple HA SOA Domains

  - by [email protected]

  The HA document does not require the specificaiton of wka port and localport for coherence, but if you would like to create multiple SOA HA domains, You have to use different coherence settings for these domains, For SOA Domain 1 , set the following properties in the weblogic server startup argument. -Dtangosol.coherence.wka1=apphost1vhn1 -Dtangosol.coherence.wka1.port=<port1>-Dtangosol.coherence.wka2=apphost2vhn1  -Dtangosol.coherence.wka2.port=<port1>-Dtangosol.coherence.localhost=apphost1vhn1 -Dtangosol.coherence.localport=<port1> For SOA Domain 2 , set the following properties in the weblogic server startup argument. -Dtangosol.coherence.wka1=apphost1vhn1 -Dtangosol.coherence.wka1.port=<port2>-Dtangosol.coherence.wka2=apphost2vhn1  -Dtangosol.coherence.wka2.port=<port2>-Dtangosol.coherence.localhost=apphost1vhn1 -Dtangosol.coherence.localport=<port2> <port1> and <port2> must be different.  

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• Exchange 2010 DAG Creation and Configuration – Part 1

  If you’re using Exchange 2010, then you’re probably interested in using the new Database Availability Group feature for your High Availability needs. The DAG is superbly powerful technology, but you’d better make sure yours is 100% correctly configured. Neil Hobson walks us through what we need to know, using a two-node DAG as an example.

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• rsnapshot intervals in configuration file…

  - by Patrick

  A simple question about rsnapshot. In order to perform daily backups I'm going to add lines to cron in my Ubuntu. Then, why do I have also these lines in the rsnapshot.conf ? ######################################### # BACKUP INTERVALS # # Must be unique and in ascending order # # i.e. hourly, daily, weekly, etc. # ######################################### interval hourly 6 interval daily 7 interval weekly 4 #interval monthly 3 If I use cron, should I disable them ? thanks ps. I've just realized that in the crontab I still have "hourly" and "daily". Should I then uncomment only the one I use in the crontab ? And what's the point to specify hourly if it is already specified in cron ? I'm a bit confused. # crontab -e 0 */4 * * * /usr/local/bin/rsnapshot hourly 30 23 * * * /usr/local/bin/rsnapshot daily

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• Storage Configuration

  - by jchang

  Storage performance is not inherently complicated subject. The concepts are relatively simple. In fact, scaling storage performance is far easier compared with the difficulties encounters in scaling processor performance in NUMA systems. Storage performance is achieved by properly distributing IO over: 1) multiple independent PCI-E ports (system memory and IO bandwith is key) 2) multiple RAID controllers or host bus adapters (HBAs) 3) multiple storage IO channels (SAS or FC, complete path) most importantly,...(read more)

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• Storage Configuration

  - by jchang

  Storage performance is not inherently complicated subject. The concepts are relatively simple. In fact, scaling storage performance is far easier compared with the difficulties encounters in scaling processor performance in NUMA systems. Storage performance is achieved by properly distributing IO over: 1) multiple independent PCI-E ports (system memory and IO bandwith is key) 2) multiple RAID controllers or host bus adapters (HBAs) 3) multiple storage IO channels (SAS or FC, complete path) most importantly,...(read more)

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• How can ICS in Windows 7 be managed via command line, scripts, config files, etc.?

  - by Skya

  I've been using ICS successfully for years, but now I'm looking for a way to control it through something else than the GUI in Control Panel\Network and Internet\Network Connections - Connection Properties: I want to do everything that the encircled checkbox does, without touching the GUI. But what does the checkbox do? Microsoft don't provide specific information and the most helpful forum post I've found is from 2003. Assuming that some of the advice is still valid, I've come to the conclusion that ICS is broken down into 6 parts that have to be set up individually: the sharedAccess service interface settings firewall rules a static route dnsproxy autodhcp I've already learned that the service can be started/stopped with the command net start/stop sharedAccess and that netsh is a good tool for changing the interface settings and the firewall rules. But I don't understand how ICS handles routing and DNS. All hosts in my network are configured statically, so I don't care much about autodhcp. Thanks for your help! EDIT: I've spent the whole day scanning through ProcMon and I've seen reads/writes to both the registry and the filesystem and it is difficult to determine what parts of it actually make ICS work. I'm trying to look for an API instead. I'm looking into this right now, but I still want to know more about the inner workings.

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• AWStats configuration issue [on hold]

  - by Dan

  I have a an Ubuntu 12.04.2 LTS server in which i host my website. The website is in Drupal. I tried to set up AWStats for my website but it is giving a lot of problems. I followed this link - http://www.sysadminworld.com/2011/set-up-awstats-on-ubuntu/ But I am confused about the domain name that needs to be given. The website can be accessed from http://xyz.com but the actual link is http://xyz.abc-def.com/root-folder. What is the domain name in this case? So what should be the name of the conf file then?

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