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• [Resolved] Finishing the install of php-xmlrpc on a VPS

  - by wp

  Hi, please help if possible: 1) I was able to completely install php-xmlrpc on a different VPS which uses lxAdmin control panel, without even needing to rebuild php. 2) On a VPS with Direct Admin, I followed detailed instructions (found at the DA site), this included rebuilding php, and after reboot, xml/rpc still doesn't show up in phpinfo.php. Details: centOS 5.3 php5.2.10 php-xmlrpc is installed on the VPS, and the installation "success" was confirmed at the time. Several days later, PHP was rebuilt following detailed instructions (for adding extra modules) provided by direct admin at their site. In the end, xml/rpc still doesn't show up in phpinfo.php. Anyone know how to make this work with Direct Admin? Thank you.

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• enabling gzip with htaccess...why is it hit or miss?

  - by adam-asdf

  I have shared hosting through Justhost. I use the HTML5 Boilerplate .htaccess (have tried other methods from here and there without luck) the compression part is as follows: <IfModule mod_deflate.c> # Force deflate for mangled headers developer.yahoo.com/blogs/ydn/posts/2010/12/pushing-beyond-gzipping/ <IfModule mod_setenvif.c> <IfModule mod_headers.c> SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding </IfModule> </IfModule> # Compress all output labeled with one of the following MIME-types <IfModule mod_filter.c> AddOutputFilterByType DEFLATE application/atom+xml \ application/javascript \ application/json \ application/rss+xml \ application/vnd.ms-fontobject \ application/x-font-ttf \ application/xhtml+xml \ application/xml \ font/opentype \ image/svg+xml \ image/x-icon \ text/css \ text/html \ text/plain \ text/x-component \ text/xml </IfModule> </IfModule> However, it isn't working—at least I don't think—My home page (html) isn't compressing, the CSS and some of the JS aren't gzipped. It is failing on HTML, CSS and JS. However, some things are (or were, who knows what it will look like when you check) gzipped. My domain is http://adaminfinitum.com/ What is weird is that the (Google) PageSpeed browser extension for Firefox (whatever the current version is [Nov. 2012]) gives me a 95% speed rating (and no warnings about compression), yet YSlow and Chrome developer tools both flag me about gzip, as does a tool I found on here while researching this. To reduce cookies I set up a subdomain on my site and I thought maybe that was it so I added an .htaccess there also, but no luck. To reduce http requests I embedded some of webfonts and images in CSS (HTML5 BP stipulates not to compress images, and apparently '.woff' files are already compressed) so I thought maybe that was it and I spent all day separating and asynchronously loading those portions (via Modernizr.load) but that hasn't helped either...if anything it made it worse due to increasing http requests (I realize speed scores of async resources may be misleading). Researching this, it seems to be a fairly common issue but I haven't found an explanation/solution. I don't think it is a MIME-type issue, I have quadruple checked (and thrice edited) my .htaccess files. My hosting company said they run Apache 2.2.22 and I have looked at everything I can find. What gives?

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• Weblogic domain scale up using EM Grid Control 11gR1

  - by dmitry.nefedkin(at)oracle.com

  As you know a weblogic domain consists of set of servers running independently or in a cluster mode, sharing the distributed resources. And in most environments weblogic  cluster consists of multiple managed servers running simultaneously and working together to provide increased scalability and reliability.  These servers can run on the same machine, or be located on different machines.  It's a common task to increase a cluster's capacity by adding new machines to the cluster to host the new server instances.  You can do it by manually installing weblogic binaries to the new host and use pack/unpack commands to add a managed server to this new host.  But with Enterprise Manager Grid Control 11gR1 (EMGC) there is  another way - Fusion Middleware Domain Scale Up  procedure. I'm going to show you how it works.Here is a picture of  my medrec_oradb weblogic domain, what is registered in EMGC. It contains an admin server and a cluster MedRecCluster with  the single managed server MS1. Both admin and managed servers are on the same host oel46-vmware, it's a virtual machine with OEL 4.6 that runs inside our Oracle VM infrastructure.  And here are the application deployments, note that couple of applications are deployed to the cluster.First of all I have to prepare a new machine that will host new managed sever of my cluster. I created new VM with OEL 5.4 using the corresponding Oracle VM template available in Oracle E-Delivery site for Oracle Linux and Oracle VM and named it wls1032. Next step is to install Oracle EM Grid Control 11gR1 Agent to this new host.  You can download it from the OTN page and install it manually,  or you can use Agent Installation Deployment procedure available in EMGC  (Deployments->Agent Installation->Install Agent). Anyway, when you agent is up and running on the new machine, you will see it in EMGC Console in the Targets->Hosts subtab.Now we are ready to scale up our weblogic domain. Click the Deployments tab in Oracle Enterprise Manager Grid Control, and then click Deployment Procedure. Select a Fusion Middleware Domain Scale Up procedure from the list, and click Schedule Deployment. The first page of the FMW Domain Scale Up Wizard is displayed and you can proceed with the deployment process.Select the domain from list, enter the working directory on the admin server host, and also fill the weblogic credentials for the administration server console and the OS credentials for the  admin server host.  Click Next button.  The next step allows you to configure you domain, to add a new manager server to the cluster you should select the cluster in the tree and click Add Server button. Select the newly added server in a tree, choose the target host and  enter the configuration details of your managed server. You can also add new machine and node manager details.  Please note that you cannot change the values in  Domain Location and Fusion Middleware Home fields, so these locations on the target host will be the same as for the admin server host.   Working directory on the target host should have enough free space to store FMW home binaries and domain configuration files.  In my experience the working directories should have at least 3 Gb of free space.  The last thing you should fill is the OS credentials for the target host. The next steps allows you to schedule the execution of the procedure, it is started immediately in my example. The last step is just a review the configuration for the domain scale up. Click Submit to launch the process. You can track the status of the procedure execution by selecting Deployments->Deployment Procedures->Procedure Completion Status in the EMGC Console.As you can see in the picture below, the procedure consists of the many steps, and I'm going to share my experience about the issues that I had at some of the steps. Please keep in mind that you can always continue the execution from the last successfully completed step by clicking Retry button.Check OUI Prerequisites  step may fail if the target host does  not pass prerequisites checks for Weblogic Server installation such as amount of RAM, linux packages installed, etc. Create FMW Clone Archive step may fail if you do not have enough free space in the working directory on the administration server host.Transfer cloning archive to targets  step  may fail if the EMGC agents on the admin server host or on target host are not secured.   You should secure the agent by issuing ./emctl secure agent  command from $AGENT_HOME/bin directory and entering the agent registration password.Both Transfer cloning archive to targets and Apply Clone at target hosts steps may fail if you do not have enough free space in the working directory on the target host. The most complicated issue I had on the Run Inventory Collection  step. The step failed and I noticed that the agent on the target server is also failed with the following error in the $AGENT_HOME/sysman/log/emagent.trc  log file:2010-12-28 11:50:34,310 Thread-2838952848 ERROR upload: Failed to upload file A0000008.xml: Fatal Error.Response received: 500|ORA-20603: The timezone of the multiagent target (/Farm_Localhost_MedRec_medrec_oradb/medrec_oradb,weblogic_domain)is not consistent with the timezone (America/Los_Angeles) reported by other agents.2010-12-28 11:50:34,310 Thread-2838952848 ERROR upload: 1 Failure(s) in a row or XML error for A0000008.xml, retcode = -6, we give up2010-12-28 11:50:35,552 Thread-2838952848 WARN  upload: FxferSend: received fatal error in header from repository: https://oel46-vmware:1159/em/uploadFATAL_ERROR::500|ORA-20603: The timezone of the multiagent target (/Farm_Localhost_MedRec_medrec_oradb/medrec_oradb,weblogic_domain)is not consistent with the timezone (America/Los_Angeles) reported by other agents.2010-12-28 11:50:35,552 Thread-2838952848 ERROR upload: number of fatal error exceeds the limit 32010-12-28 11:50:35,552 Thread-2838952848 ERROR upload: agent will shutdown now2010-12-28 11:50:35,552 Thread-2838952848 ERROR : Signalled to Exit with status 55. Too many fatal upload failures2010-12-28 11:50:35,552 Thread-2838952848 ERROR upload: 1 Failure(s) in a row or XML error for A0000008.xml, retcode = -6, we give up2010-12-28 11:50:35,552 Thread-3044607680 ERROR main: EMAgent abnormal terminatingI checked the timezone of my domain target inside EMGC repositoryselect timezone_regionfrom mgmt_targets where target_type = 'weblogic_domain'  and display_name = 'medrec_oradb'"TIMEZONE_REGION""America/Los_Angeles"Then checked the timezone of my agents and indeed, they differedselect target_name, timezone_region from mgmt_targets where type_display_name = 'Agent'"TARGET_NAME"    "TIMEZONE_REGION""oel46-vmware:3872"    "America/Los_Angeles""wls1032.imc.fors.ru:3872"    "America/New_York"So I had to change the timezone on the wls1032 host and propagate this changes to the agent and to the EMGC repository. Here was the steps:issued system-config-date command on wls1032.imc.fors.ru  and set timezone to "America/Los_Angeles"propagated the changes to the agent bu executing ./emctl resetTZ agent  command from $AGENT_HOME/bin directoryconnected to EMGC repository as sysman and executed the following PL/SQL block:   begin      mgmt_target.set_agent_tzrgn('wls1032.imc.fors.ru:3872','America/Los_Angeles');      commit;   end;After that I had to clear the pending uploads on wls1032.imc.fors.ru:  rm -r $AGENT_HOME/sysman/emd/state/*  rm -r $AGENT_HOME/sysman/emd/collection/*  rm -r $AGENT_HOME/sysman/emd/upload/*  rm $AGENT_HOME/sysman/emd/lastupld.xml  rm $AGENT_HOME/sysman/emd/agntstmp.txt  $AGENT_HOME/bin/emctl start agent  $AGENT_HOME/bin/emctl clearstate agentThe last part of this solution was to resync the agent in EMGC console by clicking Agent Resynchronization button (please leave "Unblock agent on successful completion of agent resynchronization" checkbox checked in the next screen).After that I issued ./emctl upload command from $AGENT_HOME/bin on the wls1032 host,  and my previous error disappeared,  but I catched another one: EMD upload error: Failed to upload file A0000004.xml: HTTP error.Response received: ERROR-400|Data will be rejected for upload from agent 'https://wls1032.imc.fors.ru:3872/emd/main/', max size limit for direct load exceeded [7544731/5242880]So the uploading XML file size was 7 Mb, and the limit on OMS was 5 Mb.  To increase the max file size limit to 20 Mb I had to connect to the OMS host and execute the following commands from $OMS_HOME/bin directory: ./emctl set property -name em.loader.maxDirectLoadFileSz -value 20971520 -module emoms ./emctl stop oms ./emctl start omsAfter that I issued ./emctl upload command from $AGENT_HOME/bin on the wls1032 one more time and it completed successfully.   The agent uploaded the configuration information to the EMGC  repository and I was able to see the results of my weblogic domain scale-up in EMGC Console.DeploymentsSo, now the weblogic cluster contains 2 managed servers located on the different hosts. This powerful feature of the Enterprise Manager Grid Control  is a part of  the WebLogic Server Management Pack Enterprise Edition.

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• Is it possible to rate limit based on host headers? i.e. not just on ip address

  - by Blankman

  I have a web service endpoint that I am building where people will post an xml file to, and it will really get pounded with over 1K requests per second. Now they are sending in these xml files via http post, but a good majority of them will be rate limited. The problem is, the rate limiting will be done by the web application by looking up the source_id in the xml, and if it is over x requests per minute, it will not be processed further. I was wondering if I could do rate limit checking earlier in the processing somehow and thus save the 50K file going threw the pipeline to my web servers and eating up resources. Could a load balancer make a call out to verify rate usage somehow? If this is possible, I could maybe put the source_id in a host header so even the XML file doesn't have to be parsed and loaded into memory. Is it possible to just look at host headers and not load up the entire 50K xml file into memory? I really appreciate your insights as this takes more knowledge of the entire tcp/ip stack etc.

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• Does Windows XP automatically reassemble UDP fragments?

  - by Matt Davis

  I've got a Windows application that receives and processes XML messages transmitted via UDP. The application collects the data using Windows "raw" sockets, so the entire layer 3 packet is visible. We've recently run across a problem that has me stumped. If the XML messages (i.e., UDP packets) are large (i.e., 1500 bytes), they get fragmented as expected. Ordinarily, this will cause the XML processor to fail because it attempts to process each UDP packet as if it is a complete XML message. This is a known short-coming in the system at this stage of its development. On Windows 7, this is exactly what happens. The fragments are received and logged, but no processing occurs. On Windows XP, however, the same fragments are seen, and the XML processor seems to handle everything just fine. Does Windows XP automatically reassemble UDP fragments? I guess I could expect this for a normal UDP socket, but it's not expected behavior for a "raw" socket, IMO. Further, if this is the case on Windows XP, why isn't the behavior the same on Windows 7? Is there a way to enable this?

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• Tomcat deploy error

  - by David

  When deploying an application with the Tomcat manager I get the following error: FAIL - Failed to deploy application at context path /prademo Tomcat log shows: INFO: HTMLManager: install: Installing context configuration at '/home//webapps/PRA/META-INF/context.xml' from '/home//webapps/PRA' java.io.FileNotFoundException: /home/dstefan/webapps/PRA/META-INF/context.xml (Permission denied) Permission to what? Both PRA and contex.xml have -rwxrwxrwx. Thanks!

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• Using a redirect of any form to remove a query string with Apache

  - by Bart B

  Because of the silly way iTunes works the only way to update the URL for a feed is by setting up a permanent redirect from the old feed to the new. This seems easy, but I've hit a snag. The old URL ended in /?feed=rss2, the new URL is just a file, so it ends in podcast.xml. When I redirected from the old URL to the new, iTunes picked up the new URL BUT, WITH the query string, so now the URL ends in podcast.xml?feed=rss2. This is allowing listers to download the show - which is good, but causing some other problems. Is there any possible way to set up a permanent redirect that will redired podcast.xml?feed=rss2 to just podcast.xml? Mod_Rewrite seems to just pass through query strings, so I'm at a loss! Bart.

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• kickstart ks.cfg: Where should 'url' point?

  - by Stefan Lasiewski

  I have a kickstart file (ks.cfg) on a floppy (Old style). I am trying to install CentOS 5.4. The top of my ks.cfg says this: install # Install from local cdrom or over the network. #cdrom url --url http://kickstart.example.org/pub/centos/5.4/ On the Apache server side, this command is failing with these 404s: kickstart.example.org 192.168.16.180 - - [01/Jun/2010:17:24:30 -0700] "GET /pub/centos/5.4///disc1/.discinfo HTTP/1.1" 404 314 "-" "urlgrabber/3.1.0" kickstart.example.org 192.168.16.180 - - [01/Jun/2010:17:24:43 -0700] "GET /pub/centos/5.4/repodata/repomd.xml HTTP/1.1" 404 316 "-" "urlgrabber/3.1.0 yum/3.2.22" It seems that the value of my url doesn't match the directory structure on the server. I swear this worked a few months ago. Someone else maintains the Yum repository, and they say nothing has changed. What should the value of url URL be? Should this only include the OS (/pub/centos/5.4/), or should it include the architecture (/pub/centos/5.4/os/x86_64 )? I see that Kickstart is trying to grab a file called 'repomd.xml', but why is it looking in '/pub/centos/5.4/repodata/repomd.xml', when these files actually exist at '/pub/centos/5.4/os/x86_64/repodata/repomd.xml' and other locations at '/pub/centos/5.4/*/$ARCH/repodata/repomd.xml'? I don't see this documented or explained well in the [RedHat 5 Installation Guide1]

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• create print server port via command line error Win 8

  - by Benjamin Jones

  I need to create a Print Server Port via commandline in Windows 8 Per Google search I should be using prnport.vbs script to do so: cscript c:\Windows\System32\Printing_Admin_Scripts\en-US\prnport.vbs -a -s \\192.168.113.253 -r Xerox_192.168.113.253 However I get this error: ** Unable to connect to WMI service Error 0x800706BA The RPC Server is unavailable. ** I looked at local services and both RPC and WMI services are started . Also I made sure add remote admin rule to Windows Firewall via command line without success!: netsh advfirewall firewall set rule group="windows management instrumentation (wmi)" new enable=yes netsh advfirewall firewall set rule group="remote administration" new enable=yes NOTE: If I use the GUI to create the print server port then add the printer via command line: rundll32 printui.dll,PrintUIEntry /if /b "Xerox WorkCenter 7535" /F C:\Windows\Inf\WC7545-7556_PCL6_x64_Driver\x2DNORX.inf /r "Xerox_192.168.113.253" /m "Xerox WorkCentre 7535 PCL6" THE PRINTER IS SUCCESSFULLY ADDED. So its NOT the printer it self! So how can I successfully add a print server port via command line? Thanks

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• Strange problem with Exchange client connection

  - by Sam Cogan

  I've got a strange problem with an Exchange 2007 server running on SBS 2008. It's been working fine for users for the last 5 months, then 5 days ago they started getting a problem where Outlook would popup a window asking for credentials. If the user enters there credentials it pops up again and again, however if the user cancels the box it goes away and outlook continues to work fine. These clients all connect using Outlook Anywhere, and OWA access is also working fine. I had thought this message box may have been to do with other POP or IMAP accounts being configured in Outlook, but it's not the case. I have re-configured Outlook Anywhere on the server but to no avail. Using the RPC diagnostic tool in Outlook shows no problems. There are no errors showing in the event log. The server seems to be running fine, so to me this seems like either a client, or an RPC over HTTP issue, but I'm not getting anywhere finding the cause, any help is appreciated!

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• Apache mod_deflate not compressing javascript and css files?

  - by user34295

  "GET /Symfony/web/app.php/app/dashboard HTTP/1.1" 4513/37979 (11%) "GET /Symfony/web/css/application.css HTTP/1.1" -/- (-%) "GET /Symfony/web/js/application.js HTTP/1.1" -/- (-%) "GET /Symfony/web/js/highcharts.js HTTP/1.1" -/- (-%) "GET /Symfony/app/Resources/public/img/logo.png HTTP/1.1" -/- (-%) Don't know if there is something wrong with my configuration, but the no compression for css and js seems strange to me. However both css and js are already minified. Here is Apache relevant section in cong/httpd.conf: # Deflate AddOutputFilterByType DEFLATE text/plain AddOutputFilterByType DEFLATE text/html AddOutputFilterByType DEFLATE text/xml AddOutputFilterByType DEFLATE text/css AddOutputFilterByType DEFLATE application/xml AddOutputFilterByType DEFLATE application/xhtml+xml AddOutputFilterByType DEFLATE application/rss+xml AddOutputFilterByType DEFLATE application/javascript AddOutputFilterByType DEFLATE application/x-javascript DeflateCompressionLevel 9 BrowserMatch ^Mozilla/4 gzip-only-text/html BrowserMatch ^Mozilla/4\.0[678] no-gzip BrowserMatch \bMSIE !no-gzip !gzip-only-text/html # IE5.x and IE6 get no gzip, but allow 7+ BrowserMatch \bMSIE\s7 !no-gzip Header append Vary User-Agent env=!dont-vary DeflateFilterNote Input instream DeflateFilterNote Output outstream DeflateFilterNote Ratio ratio LogFormat '"%r" %{outstream}n/%{instream}n (%{ratio}n%%)' deflate CustomLog logs/deflate.log deflate

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• Error while running Jetty Server on port 80 as non root user

  - by user75016

  All, I was trying to setup jetty on port 80 but its giving exception saying permission denied as below. I have setup jetty to work with setuid and configured start.ini as follows: OPTIONS=Server,jsp,jmx,resources,websocket,ext,plus,annotations,jta,jdbc,setuid (below as first configuration file in start.ini) etc/jetty-setuid.xml and jetty-setuid.xml file with username and group name of non root user. 2012-07-03 15:29:02.411:INFO:oejdp.ScanningAppProvider:Deployment monitor /opt/jetty-hightide-8.1.3.v20120416/contexts at interval 1 2012-07-03 15:29:02.454:WARN:oejuc.AbstractLifeCycle:FAILED [email protected]:80: java.net.SocketException: Permission denied java.net.SocketException: Permission denied at sun.nio.ch.Net.bind(Native Method) at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:126) at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59) at org.eclipse.jetty.server.nio.SelectChannelConnector.open(SelectChannelConnector.java:182) at org.eclipse.jetty.server.AbstractConnector.doStart(AbstractConnector.java:311) at org.eclipse.jetty.server.nio.SelectChannelConnector.doStart(SelectChannelConnector.java:260) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59) at org.eclipse.jetty.server.Server.doStart(Server.java:273) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59) at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1215) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1138) 2012-07-03 15:29:02.455:WARN:oejuc.AbstractLifeCycle:FAILED org.eclipse.jetty.server.Server@66da9ea4: java.net.SocketException: Permission denied java.net.SocketException: Permission denied

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• Analyzing Linux NFS server performance

  - by Kamil Kisiel

  I'd like to do some analysis of our NFS server to help track down potential bottlenecks in our applications. The server is running SUSE Enterprise Linux 10. The kind of things I'm looking to know are: Which files are being accessed by which clients Read/write throughput on a per-client basis Overhead imposed by other RPC calls Time spent waiting on other NFS requests, or disk I/O, to service a client I already know about the statistics available in /proc/net/rpc/nfsd and in fact I wrote a blog post describing them in depth. What I'm looking for is a way to dig deeper and help understand what factors are contributing to the performance seen by a particular client. I want to analyze the role the NFS server plays in the performance of an application on our cluster so that I can think of ways to best optimize it.

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• Create Site Definition in SharePoint2010 Part2

  - by ybbest

  In the last post, I have showed you how to create a simple site definition. In this post, I will continue with adding more features and customization to the site definition. Create a Top Nav bar for the home page. You need to modify the Onet.xml file by adding NavBar Child into NavBars element. (1002 is the magic number for top nav) and then adding NavBarPage under the File element as highlighted below in the picture. Next, I will include all the site and web features for all the list template and other features that are available in team site. Open OOB team site template by going to 14àTemplate àSiteTemplatesàstsàxmlàONET.XML Copy the web features and site features from the file we just opened to your site definition ONET.XML file. Finally I will include all the document template , copy document templates element from the file we just opened to your own ONET.XML Redeploy your solution and you will see all the document template and list template in your custom site.(Remember to delete all the sites using previous version of the custom definition before deploying and recreation the site.) You can download the complete solution here.

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• Crawling a Content Folio

  - by Kyle Hatlestad

  Content Folios in WebCenter Content allow you to assemble, track, and access a logical group of documents and/or links.  It allows you to manage them as just a list of items (simple folio) or organized as a hierarchy (advanced folio).  The built-in UI in content server allows you to work with these folios, but publishing them or consuming them externally can be a bit of a challenge.   The folios themselves are actually XML files that contain the structure, attributes, and pointers to the content items.  So to publish this somewhere, such as a Site Studio page, you could perhaps use an XML parser to traverse the structure and create your output.  But XML parsers are not always the easiest or most efficient to use.  In order to more easily crawl and consume a Content Folio, Ed Bryant - Principal Sales Consultant, wrote a component to do just that.  His component adds a service which does all the work for you and returns the folio structure as a simple resultset.  So consuming and publishing that folio on a Site Studio page or in your portal using RIDC is a breeze!  For example, let's take an advanced Content Folio example like this: If we look at the native file, the XML looks like this: But if we access the folio using the new service - http://server/cs/idcplg?IdcService=FOLIO_CRAWL&dDocName=ecm008003&IsPageDebug=1 - this is what the result set looks like (using the IsPageDebug parameter). Given this as the result set, it makes it very easy to consume and repurpose that folio. You can download a copy of the sample component here. Special thanks to Ed for letting me share this component!

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• Mount TMPFS instead of ro /dev

  - by schiggn

  I am working on a ARM-Based embedded system with a custom Debian Linux based on kernel 2.6.31. In the final system, the Root file system is stored as squashfs on flash. Now, the folder /dev is created by udev, but since there is no hot plugging functionality needed and booting time is critical, I wanted to delete udev and "hard code" the /dev folder (read here, page 5). because i still need to change parameters of the devices (with ioctl /sysfs) this does not work for me in this case. so i thought of mounting a tmpfs on /dev and change the parameters there. is this possible? and how to do best? my approach would be: delete /dev from RFS create tar containing basic devices mount tmpfs /dev untar tar-file into /dev change parameters Could this work? Do you see any problems? I found out, that you can mount on top of already mounted mount point, is it somehow possible just to take data with while mounting the new file system? if so that would be very convenient! Thanks Update: I just tried that out, but I'm stuck at a certain point. I packed all my devices into devices.tar, packed it into /usr of my squashfs and added the following lines to mountkernfs.sh, which is executed right after INIT. #mount /dev on tmpfs echo -n "Mounting /dev on tmpfs..." mount -o size=5M,mode=0755 -t tmpfs tmpfs /dev mknod -m 600 /dev/console c 5 1 mknod -m 600 /dev/null c 1 3 echo "done." echo -n "Populating /dev..." tar -xf /usr/devices.tar -C /dev echo "done." This works fine on the version over NFS, if I place printf's in the code, I can see it executing, if I comment out the extracting part, its complaining about missing devices. Booting OK mmc0: new high speed SDHC card at address 0007 mmcblk0: mmc0:0007 SD04G 3.67 GiB mmcblk0: p1 IP-Config: Unable to set interface netmask (-22). Looking up port of RPC 100003/2 on 192.168.1.234 Looking up port of RPC 100005/1 on 192.168.1.234 VFS: Mounted root (nfs filesystem) on device 0:14. Freeing init memory: 136K INIT: version 2.86 booting Mounting /dev on tmpfs...done. Populating /dev...done. Initializing /var...done. Setting the system clock. System Clock set to: Thu Sep 13 11:26:23 UTC 2012. INIT: Entering runlevel: 2 UBI: attaching mtd8 to ubi0 Commenting out the extraction of the tar mmc0: new high speed SDHC card at address 0007 mmcblk0: mmc0:0007 SD04G 3.67 GiB mmcblk0: p1 IP-Config: Unable to set interface netmask (-22). Looking up port of RPC 100003/2 on 192.168.1.234 Looking up port of RPC 100005/1 on 192.168.1.234 VFS: Mounted root (nfs filesystem) on device 0:14. Freeing init memory: 136K INIT: version 2.86 booting Mounting /dev on tmpfs...done. Populating /dev...done. Initializing /var...done. Setting the system clock. Cannot access the Hardware Clock via any known method. Use the --debug option to see the details of our search for an access method. Unable to set System Clock to: Thu Sep 13 12:24:00 UTC 2012 ... (warning). INIT: Entering runlevel: 2 libubi: error!: cannot open "/dev/ubi_ctrl" So far so good. But if I pack the whole story into a squashfs and boot from there, it is acting strange. It's telling me while booting that it is unable to open an initial console and its throwing errors on mounting the UBIFS devices, but finally provides a login anyway. Over that my echo's are not executed. If I then log in, /dev is mounted as TMPFS as desired and all the devices reside inside. When I redo the "mount" command to mount the UBIFS partitions it is executed whitout problem and useable. From squashfs VFS: Mounted root (squashfs filesystem) readonly on device 31:15. Freeing init memory: 136K Warning: unable to open an initial console. mmc0: new high speed SDHC card at address 0007 mmcblk0: mmc0:0007 SD04G 3.67 GiB mmcblk0: p1 UBIFS error (pid 484): ubifs_get_sb: cannot open "ubi1_0", error -19 Additionally, a part of the rest of the bootscripts is still exexuted, but not all of them. Does anyone has a clue why? Other question, is 5MB enough/too much for /dev?

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• IIS URl Rewrite working inconsistently?

  - by Don Jones

  I'm having some oddness with the URL rewriting in IIS 7. Here's my Web.config (below). You'll see "imported rule 3," which grabs attempts to access /sitemap.xml and redirects them to /sitemap/index. That rule works great. Right below it is imported rule 4, which grabs attempts to access /wlwmanifest.xml and redirects them to /mwapi/wlwmanifest. That rule does NOT work. (BTW, I do know it's "rewriting" not "redirecting" - that's what I want). So... why would two identically-configured rules not work the same way? Order makes no different; Imported Rule 4 doesn't work even if it's in the first position. Thanks for any advice! EDIT: Let me represent the rules in .htaccess format so they don't get eaten :) RewriteEngine On # skip existing files and folders RewriteCond %{REQUEST_FILENAME} -s [OR] RewriteCond %{REQUEST_FILENAME} -l [OR] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^.*$ - [NC,L] # get special XML files RewriteRule ^(.*)sitemap.xml$ /sitemap/index [NC] RewriteRule ^(.*)wlwmanifest.xml$ /mwapi/index [NC] # send everything to index RewriteRule ^.*$ index.php [NC,L] The "sitemap" rewrite rule works fine; the 'wlwmanifest' rule returns a "not found." Weird.

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• SharePoint Content Type Cheat Sheet

  - by Bil Simser

  PrincipleAny application or solution built in SharePoint must use a custom content type over adding columns to lists. The only exception to this is one-off solutions that have no life-cycle, proof-of-concepts, etc.Creating Content TypesWeb UI. Not portable, POC onlyC# or Declarative (XML). Must deploy these as FeaturesRuleDo not chagne the base XML for a Content Type after deploying. The only exception to this rule is that you can re-deploy a modified Content Type definition only after completely removing it from the environment (either programatically or by hand).Updating Content TypesUpdate and push down to child typesWeb UI. Manual for each environment. Document steps required for repeatability.Feature Upgrade. Preferred solution.C#. If you created the content type through code you might want to go this route. Create new modified Content Types and hide the old one. Not recommended but useful for legacy.ReferencesCreate Custom Content  Types in SharePoint 2010 (C#)Content Type Definitions  (XML)Creating Content Types (XML  and C#)Updating ApproachesUpdating Child Content TypesAgree or disagree?

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• Where is the encfs volume key stored?

  - by Waldorf

  I am trying to use encfs in reverse mode. I understand that the passphase is used to encrypt a key which is then stored encrypted into the encfs6.xml file. What I do not understand is the following. Create en encrypted virtual fs of a folder by using passphrase A unmount this folder. Delete all contents including the encfs6.xml file If you then try to do the same with another passphrse I would expect that a new encfs6.xml would be created. However I get the following error message: "Error decoding volume key, password incorrect" So I wonder, what volume key is incorrect, I thought it was in the encfs6.xml file ?

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• JBossMQ - Clustered Queues/NameNotFoundException: QueueConnectionFactory error

  - by mfarver

  I am trying to get an application working on a JBoss Cluster. It uses Queues internally, and the developer claims that it should work correctly in a clustered environment. I have jbossmq setup as a ha-singleton on the cluster. The application works correctly on whichever node currently is running the queue, but fails on the other nodes with a: "javax.naming.NameNotFoundException: QueueConnectionFactory not bound" error. I can look at JNDIview from the jmx-console and see that indeed the QueueConnectionFactory class only appears on the primary node in the Global context. Is there a way to see the Cluster's JNDI listing instead of each server? The steps I took from a default Jboss 4.2.3.GA installation were to use the "all" configuration. Then removed /server/all/deploy/hsqldb-ds.xml and /deploy-hasingleton/jms/hsqldb-jdbc2-service.xml, copying the example/jms/mysq-jdbc2-service.xml file into its place (editing that file to use DefaultDS instead of MySqlDS). Finally I created a mysql-ds.xml file in the deploy directory pointing "DefaultDS" at an empty database. I created a -services.xml file in the deploy directory with the queue definition. like the one below: <server> <mbean code="org.jboss.mq.server.jmx.Queue" name="jboss.mq.destination:service=Queue,name=myfirstqueue"> <depends optional-attribute-name="DestinationManager"> jboss.mq:service=DestinationManager </depends> </mbean> </server> All of the other cluster features of working, the servers list each other in the view, and sessions are replicating back and forth. The JBoss documentation is somewhat light in this area, is there another setting I might have missed? Or is this likely to be a code issue (is there different code to do a JNDI lookup in a clusted environment?) Thanks

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• Why does apt-get install Skype easily while aptitude complains about MAJOR dependency errors?

  - by Prateek

  I was trying to install Skype on Ubuntu 13.04, from the Canonical repositories. With apt-get it worked easily, while aptitude had a huge problem with dependencies and proposed a complicated solution. Why is this so? Why doesn't aptitude offer whatever apt-get does as a potential solution? Here is the output of both: apt-get install skype: Reading package lists... Building dependency tree... Reading state information... The following extra packages will be installed: gcc-4.7-base:i386 libasound2 libasound2:i386 libasound2-plugins:i386 libasyncns0:i386 libaudio2:i386 libavahi-client3:i386 libavahi-common-data:i386 libavahi-common3:i386 libc6:i386 libcomerr2:i386 libcups2:i386 libdbus-1-3 libdbus-1-3:i386 libdbusmenu-qt2:i386 libdrm-intel1 libdrm-intel1:i386 libdrm-nouveau2 libdrm-nouveau2:i386 libdrm-radeon1 libdrm-radeon1:i386 libdrm2 libdrm2:i386 libexpat1:i386 libffi6:i386 libflac8:i386 libfontconfig1:i386 libfreetype6:i386 libgcc1:i386 libgcrypt11 libgcrypt11:i386 libgl1-mesa-dri libgl1-mesa-dri:i386 libgl1-mesa-glx:i386 libglapi-mesa:i386 libglib2.0-0:i386 libgnutls26 libgnutls26:i386 libgpg-error0:i386 libgssapi-krb5-2:i386 libgstreamer-plugins-base0.10-0:i386 libgstreamer0.10-0:i386 libice6:i386 libjack-jackd2-0:i386 libjbig0:i386 libjpeg-turbo8:i386 libjpeg8:i386 libjson0:i386 libk5crypto3:i386 libkeyutils1:i386 libkrb5-3:i386 libkrb5support0:i386 liblcms1:i386 libllvm3.2:i386 liblzma5:i386 libmng1:i386 libmysqlclient18:i386 libogg0:i386 liborc-0.4-0:i386 libp11-kit0:i386 libpciaccess0:i386 libpcre3:i386 libpng12-0:i386 libpulse0:i386 libqt4-dbus libqt4-dbus:i386 libqt4-declarative libqt4-declarative:i386 libqt4-designer libqt4-help libqt4-network libqt4-network:i386 libqt4-opengl libqt4-opengl:i386 libqt4-script libqt4-script:i386 libqt4-scripttools libqt4-sql libqt4-sql:i386 libqt4-sql-mysql:i386 libqt4-sql-sqlite libqt4-svg libqt4-test libqt4-xml libqt4-xml:i386 libqt4-xmlpatterns libqt4-xmlpatterns:i386 libqtcore4 libqtcore4:i386 libqtgui4 libqtgui4:i386 libqtwebkit4:i386 libsamplerate0:i386 libselinux1:i386 libsm6:i386 libsndfile1:i386 libspeexdsp1:i386 libsqlite3-0:i386 libssl1.0.0 libssl1.0.0:i386 libstdc++6:i386 libtasn1-3:i386 libtiff5 libtiff5:i386 libtxc-dxtn-s2tc0:i386 libuuid1:i386 libvorbis0a:i386 libvorbisenc2:i386 libwrap0:i386 libx11-6 libx11-6:i386 libx11-xcb1 libx11-xcb1:i386 libxau6:i386 libxcb-dri2-0 libxcb-dri2-0:i386 libxcb-glx0 libxcb-glx0:i386 libxcb1 libxcb1:i386 libxdamage1:i386 libxdmcp6:i386 libxext6 libxext6:i386 libxfixes3 libxfixes3:i386 libxi6 libxi6:i386 libxml2 libxml2:i386 libxrender1 libxrender1:i386 libxslt1.1:i386 libxss1:i386 libxt6 libxt6:i386 libxv1 libxv1:i386 libxxf86vm1 libxxf86vm1:i386 mysql-common qdbus skype-bin:i386 sni-qt:i386 zlib1g:i386 Suggested packages: nas:i386 glibc-doc:i386 locales:i386 rng-tools rng-tools:i386 libglide3 libglide3:i386 gnutls-bin gnutls-bin:i386 krb5-doc:i386 krb5-user:i386 libvisual-0.4-plugins:i386 gstreamer-codec-install:i386 gnome-codec-install:i386 gstreamer0.10-tools:i386 gstreamer0.10-plugins-base:i386 jackd2:i386 liblcms-utils:i386 pulseaudio:i386 libqt4-declarative-folderlistmodel libqt4-declarative-gestures libqt4-declarative-particles libqt4-declarative-shaders qt4-qmlviewer libqt4-declarative-folderlistmodel:i386 libqt4-declarative-gestures:i386 libqt4-declarative-particles:i386 libqt4-declarative-shaders:i386 qt4-qmlviewer:i386 libqt4-dev libqt4-dev:i386 libthai0:i386 libicu48:i386 qt4-qtconfig qt4-qtconfig:i386 Recommended packages: libtxc-dxtn0:i386 xml-core:i386 The following NEW packages will be installed gcc-4.7-base:i386 libasound2:i386 libasound2-plugins:i386 libasyncns0:i386 libaudio2:i386 libavahi-client3:i386 libavahi-common-data:i386 libavahi-common3:i386 libc6:i386 libcomerr2:i386 libcups2:i386 libdbus-1-3:i386 libdbusmenu-qt2:i386 libdrm-intel1:i386 libdrm-nouveau2:i386 libdrm-radeon1:i386 libdrm2:i386 libexpat1:i386 libffi6:i386 libflac8:i386 libfontconfig1:i386 libfreetype6:i386 libgcc1:i386 libgcrypt11:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:i386 libglapi-mesa:i386 libglib2.0-0:i386 libgnutls26:i386 libgpg-error0:i386 libgssapi-krb5-2:i386 libgstreamer-plugins-base0.10-0:i386 libgstreamer0.10-0:i386 libice6:i386 libjack-jackd2-0:i386 libjbig0:i386 libjpeg-turbo8:i386 libjpeg8:i386 libjson0:i386 libk5crypto3:i386 libkeyutils1:i386 libkrb5-3:i386 libkrb5support0:i386 liblcms1:i386 libllvm3.2:i386 liblzma5:i386 libmng1:i386 libmysqlclient18:i386 libogg0:i386 liborc-0.4-0:i386 libp11-kit0:i386 libpciaccess0:i386 libpcre3:i386 libpng12-0:i386 libpulse0:i386 libqt4-dbus:i386 libqt4-declarative:i386 libqt4-network:i386 libqt4-opengl:i386 libqt4-script:i386 libqt4-sql:i386 libqt4-sql-mysql:i386 libqt4-xml:i386 libqt4-xmlpatterns:i386 libqtcore4:i386 libqtgui4:i386 libqtwebkit4:i386 libsamplerate0:i386 libselinux1:i386 libsm6:i386 libsndfile1:i386 libspeexdsp1:i386 libsqlite3-0:i386 libssl1.0.0:i386 libstdc++6:i386 libtasn1-3:i386 libtiff5:i386 libtxc-dxtn-s2tc0:i386 libuuid1:i386 libvorbis0a:i386 libvorbisenc2:i386 libwrap0:i386 libx11-6:i386 libx11-xcb1:i386 libxau6:i386 libxcb-dri2-0:i386 libxcb-glx0:i386 libxcb1:i386 libxdamage1:i386 libxdmcp6:i386 libxext6:i386 libxfixes3:i386 libxi6:i386 libxml2:i386 libxrender1:i386 libxslt1.1:i386 libxss1:i386 libxt6:i386 libxv1:i386 libxxf86vm1:i386 mysql-common skype skype-bin:i386 sni-qt:i386 zlib1g:i386 The following packages will be upgraded: libasound2 libdbus-1-3 libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2 libgcrypt11 libgl1-mesa-dri libgnutls26 libqt4-dbus libqt4-declarative libqt4-designer libqt4-help libqt4-network libqt4-opengl libqt4-script libqt4-scripttools libqt4-sql libqt4-sql-sqlite libqt4-svg libqt4-test libqt4-xml libqt4-xmlpatterns libqtcore4 libqtgui4 libssl1.0.0 libtiff5 libx11-6 libx11-xcb1 libxcb-dri2-0 libxcb-glx0 libxcb1 libxext6 libxfixes3 libxi6 libxml2 libxrender1 libxt6 libxv1 libxxf86vm1 qdbus 41 upgraded, 105 newly installed, 0 to remove and 138 not upgraded. Need to get 85.9 MB/89.2 MB of archives. After this operation, 204 MB of additional disk space will be used. Do you want to continue [Y/n]? aptitude install skype: Reading package lists... Building dependency tree... Reading state information... Reading extended state information... Initialising package states... The following NEW packages will be installed: gcc-4.7-base:i386{a} libasound2:i386{a} libasound2-plugins:i386{a} libasyncns0:i386{a} libaudio2:i386{a} libavahi-client3:i386{a} libavahi-common-data:i386{a} libavahi-common3:i386{a} libc6:i386{a} libcomerr2:i386{a} libcups2:i386{a} libdbus-1-3:i386{a} libdbusmenu-qt2:i386{a} libdrm-intel1:i386{a} libdrm-nouveau2:i386{a} libdrm-radeon1:i386{a} libdrm2:i386{a} libexpat1:i386{a} libffi6:i386{a} libflac8:i386{a} libfontconfig1:i386{a} libfreetype6:i386{a} libgcc1:i386{a} libgcrypt11:i386{a} libgl1-mesa-dri:i386{a} libgl1-mesa-glx:i386{a} libglapi-mesa:i386{a} libglib2.0-0:i386{a} libgnutls26:i386{a} libgpg-error0:i386{a} libgssapi-krb5-2:i386{a} libgstreamer-plugins-base0.10-0:i386{a} libgstreamer0.10-0:i386{a} libice6:i386{a} libjack-jackd2-0:i386{a} libjbig0:i386{a} libjpeg-turbo8:i386{a} libjpeg8:i386{a} libjson0:i386{a} libk5crypto3:i386{a} libkeyutils1:i386{a} libkrb5-3:i386{a} libkrb5support0:i386{a} liblcms1:i386{a} libllvm3.2:i386{a} liblzma5:i386{a} libmng1:i386{a} libmysqlclient18:i386{a} libogg0:i386{a} liborc-0.4-0:i386{a} libp11-kit0:i386{a} libpciaccess0:i386{a} libpcre3:i386{a} libpng12-0:i386{a} libpulse0:i386{a} libqt4-dbus:i386{a} libqt4-declarative:i386{a} libqt4-network:i386{a} libqt4-opengl:i386{a} libqt4-script:i386{a} libqt4-sql:i386{a} libqt4-sql-mysql:i386{a} libqt4-xml:i386{a} libqt4-xmlpatterns:i386{a} libqtcore4:i386{a} libqtgui4:i386{a} libqtwebkit4:i386{a} libsamplerate0:i386{a} libselinux1:i386{a} libsm6:i386{a} libsndfile1:i386{a} libspeexdsp1:i386{a} libsqlite3-0:i386{a} libssl1.0.0:i386{a} libstdc++6:i386{a} libtasn1-3:i386{a} libtiff5:i386{a} libtxc-dxtn-s2tc0:i386{a} libuuid1:i386{a} libvorbis0a:i386{a} libvorbisenc2:i386{a} libwrap0:i386{a} libx11-6:i386{a} libx11-xcb1:i386{a} libxau6:i386{a} libxcb-dri2-0:i386{a} libxcb-glx0:i386{a} libxcb1:i386{a} libxdamage1:i386{a} libxdmcp6:i386{a} libxext6:i386{a} libxfixes3:i386{a} libxi6:i386{a} libxml2:i386{a} libxrender1:i386{a} libxslt1.1:i386{a} libxss1:i386{a} libxt6:i386{a} libxv1:i386{a} libxxf86vm1:i386{a} mysql-common{a} skype skype-bin:i386{a} sni-qt:i386{a} zlib1g:i386{a} The following packages will be upgraded: libasound2 libdbus-1-3 libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2 libgcrypt11 libgl1-mesa-dri libgnutls26 libqt4-dbus libqt4-declarative libqt4-network libqt4-opengl libqt4-script libqt4-sql libqt4-xml libqt4-xmlpatterns libqtcore4 libqtgui4 libssl1.0.0 libtiff5 libx11-6 libx11-xcb1 libxcb-dri2-0 libxcb-glx0 libxcb1 libxext6 libxfixes3 libxi6 libxml2 libxrender1 libxt6 libxv1 libxxf86vm1 qdbus 35 packages upgraded, 105 newly installed, 0 to remove and 144 not upgraded. Need to get 81.7 MB/85.0 MB of archives. After unpacking 204 MB will be used. The following packages have unmet dependencies: libqt4-test : Depends: libqtcore4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. libqt4-designer : Depends: libqt4-script (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqt4-xml (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqtcore4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqtgui4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. libqt4-sql-sqlite : Depends: libqt4-sql (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqtcore4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. libqt4-help : Depends: libqt4-network (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqt4-sql (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqtcore4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqtgui4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. libqt4-svg : Depends: libqtcore4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqtgui4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. libqt4-scripttools : Depends: libqt4-script (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqtcore4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. Depends: libqtgui4 (= 4:4.8.4+dfsg-0ubuntu9) but 4:4.8.4+dfsg-0ubuntu9.2 is to be installed. The following actions will resolve these dependencies: Remove the following packages: 1) account-plugin-aim 2) account-plugin-facebook 3) account-plugin-flickr 4) account-plugin-generic-oauth 5) account-plugin-google 6) account-plugin-jabber 7) account-plugin-salut 8) account-plugin-twitter 9) account-plugin-windows-live 10) account-plugin-yahoo 11) empathy 12) friends 13) friends-dispatcher 14) friends-facebook 15) friends-twitter 16) gir1.2-signon-1.0 17) gnome-control-center-signon 18) libaccount-plugin-1.0-0 19) libfriends0 20) libqt4-designer 21) libqt4-help 22) libqt4-scripttools 23) libqt4-sql-sqlite 24) libqt4-svg 25) libqt4-test 26) libsignon-glib1 27) mcp-account-manager-uoa 28) nautilus-sendto-empathy 29) python-qt4 30) shotwell 31) signon-plugin-oauth2 32) signon-plugin-password 33) signon-ui 34) signond 35) ubuntu-sso-client-qt 36) ubuntuone-control-panel-qt 37) unity-lens-friends 38) unity-lens-photos 39) unity-scope-gdrive 40) webaccounts-extension-common 41) xul-ext-webaccounts Leave the following dependencies unresolved: 42) mcp-account-manager-uoa recommends gnome-control-center-signon 43) mcp-account-manager-uoa recommends account-plugin-aim 44) mcp-account-manager-uoa recommends account-plugin-jabber 45) mcp-account-manager-uoa recommends account-plugin-google 46) mcp-account-manager-uoa recommends account-plugin-facebook 47) mcp-account-manager-uoa recommends account-plugin-windows-live 48) mcp-account-manager-uoa recommends account-plugin-yahoo 49) mcp-account-manager-uoa recommends account-plugin-salut 50) ubuntu-desktop recommends empathy 51) ubuntu-desktop recommends libqt4-sql-sqlite 52) ubuntu-desktop recommends shotwell 53) ubuntu-desktop recommends ubuntuone-control-panel-qt 54) ubuntu-desktop recommends xul-ext-webaccounts 55) unity recommends unity-lens-photos 56) unity recommends unity-lens-friends 57) unity-lens-files recommends unity-scope-gdrive 58) libqt4-sql recommends libqt4-sql-mysql | libqt4-sql-odbc | libqt4-sql-ps Accept this solution? [Y/n/q/?] And in case this helps, aptitude show skype: Package: skype State: not installed Version: 4.2.0.11-0ubuntu0.12.04.2 Priority: extra Section: net Maintainer: Steve Langasek <[email protected]> Architecture: amd64 Uncompressed Size: 62.5 k Depends: skype-bin Conflicts: skype Description: client for Skype VOIP and instant messaging service Skype is software that enables the world's conversations. Millions of individuals and businesses use Skype to make free video and voice calls, send instant messages and share files with other Skype users. Every day, people also use Skype to make low-cost calls to landlines and mobiles. * Make free Skype-to-Skype calls to anyone else, anywhere in the world. * Call to landlines and mobiles at great rates. * Group chat with up to 200 people or conference call with up to 25 others. * Free to download.

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• Minimizing data sent over a webservice call on expensive connection

  - by aceinthehole

  I am working on a system that has many remote laptops all connected to the internet through cellular data connections. The application will synchronize periodically to a central database. The problem is, due to factors outside our control, the cost to move data across the cellular networks are spectacularly expensive. Currently the we are sending a compressed XML file across the wire where it is being processed and various things are done with (mainly stuffing it into a database). My first couple of thoughts were to convert that XML doc to json, just prior to transmission and convert back to XML just after receipt on the other end, and get some extra compression for free without changing much. Another thought was to test various other compression algorithms to determine the smallest one possible. Although, I am not entirely sure how much difference json vs xml would make once it is compressed. I thought that their must be resources available that address this problem from an information theory perspective. Does anyone know of any such resources or suggestions on what direction to go in. This developed on the MS .net stack on windows for reference.

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• Generating/managing config files for hosted application

  - by mfinni

  I asked a question about config management, and haven't seen a reply. It's possible my question was too vague, so let's get down to brass tacks. Here's the process we follow when onboarding a new customer instance into our hosted application : how would you manage this? I'm leaning towards a Perl script to populate templates to generate shell scripts, config files, XML config files, etc. Looking briefly at CFengine and Chef, it seems like they're not going to reduce the amount of work, because I'd still have to manually specify all of the changes/edits within the tool. Doesn't seem to be much of a gain over touching the config files directly. We add a stanza to the main config file for the core (3rd-party) application. This stanza has values that defines the instance (customer) name the TCP listener port for this instance (not one currently used) the DB2 database name (serial numeric identifier, already exists, they get prestaged for us by the DBAs) three sub-config files, by name - they need to be created from 3 templates and be named after the instance The sub-config files define: The filepath for the DB2 volumes The filepath for the storage of objects The filepath for just one of the DB2 volumes (yes, redundant to the first item. We run some application commands, start the instance We do some LDAP thingies (make an OU for the instance, etc.) We add a stanza to the config file for our security listener that acts as a passthrough to LDAP instance name LDAP OU TCP port for instance DB2 database name We restart the security listener (off-hours), change the main config file from item 1, stop and restart the instance. It is now authenticating via LDAP. We add the stop and start commands for this instance to the HA failover scripts. We import an XML config file into the instance that defines things for the actual application for the customer - user names, groups, permissions, and business rules. The XML is supplied by the implementation team. Now, we configure the dataloading application We add a stanza to the existing top-level config file that points to a new customer-level config file. The new customer-level config file includes: the instance (customer) name the DB2 database name arbitrary number of sub-config files, by name Each of the sub-config files defines: filepaths to the directories for ingestion, feedback, backup, and failure those filepaths have a common path to a customer-specific folder, and then one folder for each sub-config file Each of those filepaths needs to be created We need to add this customer instance to our monitoring scripts that confirm the proper processes are running and can be logged into. Of course, those monitoring config files include the instance name, the TCP port, the DB2 database name, etc. There's also a reporting application that needs to be configured for the new instance. You get the idea. There's also XML that is loaded into WAS by the middleware team. We give them the values for them to plug into the XML - they could very easily hand us the template and we could give them back completed XML.

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• Loose typing not applied to objects

  - by TecBrat

  I have very little experience working with classes and object. I work in a loosely typed language, PHP. I was working with a SimpleXML object and ran into a problem where I was trying to do math with an element of that object like $results->ProductDetail->{'Net'.$i}; If I echoed that value, I'd get 0.53 but when I tried to do math with it, it was converted to 0 Is there a reason that a loosely typed language would not recognize that as a float and handle it as such? Why would "echo" handle it as a string but the math fail to convert it? Example: $xml='<?xml version="1.0" encoding="UTF-8" ?>'; $xml.='<Test> <Item> <Price>0.53</Price> </Item> </Test>'; $result=simplexml_load_string($xml); var_dump($result->Item->Price); echo '<br>'; echo $result->Item->Price; echo '<br>'; echo 1+$result->Item->Price; echo '<br>'; echo 1+(float)$result->Item->Price; Output: object(SimpleXMLElement)#4 (1) { [0]=> string(4) "0.53" } 0.53 1 1.53

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• legitimacy of the tasks in the task scheduler

  - by Eyad

  Is there a way to know the source and legitimacy of the tasks in the task scheduler in windows server 2008 and 2003? Can I check if the task was added by Microsoft (ie: from sccm) or by a 3rd party application? For each task in the task scheduler, I want to verify that the task has not been created by a third party application. I only want to allow standards Microsoft Tasks and disable all other non-standards tasks. I have created a PowerShell script that goes through all the xml files in the C:\Windows\System32\Tasks directory and I was able to read all the xml task files successfully but I am stuck on how to validate the tasks. Here is the script for your reference: Function TaskSniper() { #Getting all the fils in the Tasks folder $files = Get-ChildItem "C:\Windows\System32\Tasks" -Recurse | Where-Object {!$_.PSIsContainer}; [Xml] $StandardXmlFile = Get-Content "Edit Me"; foreach($file in $files) { #constructing the file path $path = $file.DirectoryName + "\" + $file.Name #reading the file as an XML doc [Xml] $xmlFile = Get-Content $path #DS SEE: http://social.technet.microsoft.com/Forums/en-US/w7itprogeneral/thread/caa8422f-6397-4510-ba6e-e28f2d2ee0d2/ #(get-authenticodesignature C:\Windows\System32\appidpolicyconverter.exe).status -eq "valid" #Display something $xmlFile.Task.Settings.Hidden } } Thank you

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