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• 12.04 LTS won't install from CD

  - by Rob Hays

  I've been trying to install 12.04 LTS onto a Dell with a PIII from CD. Booting from the CD the install gets through the "Who are you" process, begins copying files. The progress bar gets as far as the last period in "Copying files...". The box clears, and an error box comes up "The installer has encountered an unrecoverable error. A desktop session will now be run so that you may investigae the problem or try installing again." When I try to install from this desktop session, the install gets to the same point, the copying files box closes, and then just stops. The pointer is busy, the cd drive spins up occaisonally with no data transfer, no hard drive activity. When I boot from the CD and access the disk boot menu, the disk checks good, memory checks good ( I upgraded the original memory to 512 mb). I also updated the bios to the newest from Dell. This is an older L866r, but should meet the requirements.

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• How do I install graphviz 2.29 in 12.04?

  - by bidur

  In my ubuntu 12.04, the graphviz is not the latest version(2.29). I need some features available in the latest version of graphviz. I tried to install the graphviz version 2.29, which requires libgraphviz4(=2.18). I anyhow installed libgraphviz4 and installed graphviz 2.29. For that I have to remove packages libcdt4 and libpathplan4. Now whenever I try to generate graph, I get some problems: For e.g.: dot -Kfdp -n -Tpng -o samplePOS.png forcePOS.dot It says: dot: error while loading shared libraries: libgvc.so.6: cannot open shared object file: No such file or directory neato -Tps -o sample_1.ps sourcedot.gv It says: neato: error while loading shared libraries: libgvc.so.6: cannot open shared object file: No such file or directory So, I am looking for some ways so that I can run graphviz 2.29 in my ubuntu 12.04.

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• Why wont the LibGDX's main class Initialize on Android Launcher?

  - by BluFire

  So I was searching for different ways that could suit me in programming and came across LibGDX. Naturally I looked at the tutorial. As I was doing it, I was following the steps word for word, except naming the classes. In the end, I was able to create the desktop launcher for the game but not the android launcher. The following error is my error: Cannot instantiate the type Game (Game is the name of the class) I got the tutorial from http://steigert.blogspot.com.au/2012/02/1-libgdx-tutorial-introduction.html The link in the tutorial is the original but it uses jogl instead of lwjgl.

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• Broken package ubuntuone-control-panel-qt

  - by baale7

  An interrupted installation of updates resulted in ubuntuone-control-panel-qt breaking and now I cannot install or update anything. There seems to be an error in python2.7 - ImportError: No module named _sysconfigdata_nd dpkg: error processing archive ubuntuone-control-panel-qt_13.09-0ubuntu1_all.deb (--install): When I try to reinstall the package via .deb a dpkg --audit yields: The following packages are in a mess due to serious problems during installation. They must be reinstalled for them (and any packages that depend on them) to function properly: ?python-pexpect Python module for automating interactive applications ?ubuntuone-control-panel-qt Ubuntu One Control Panel - Qt frontend ?hplip-data HP Linux Printing and Imaging - data files ?python-libxml2 Python bindings for the GNOME XML library ?apport automatically generate crash reports for debugging The following packages are only half configured, probably due to problems configuring them the first time. The configuration should be retried using dpkg --configure or the configure menu option in dselect: ?python-ubuntuone-client Ubuntu One client Python libraries ?python-ubuntuone-control-panel Ubuntu One Control Panel - Python Libraries --configure or --configure -a doesn't work Any help?

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• How do I reuse a state machine in a slightly different way?

  - by JoJo

  Problem I have a big state machine. The design requirements of the project have changed such that I need to re-use this state machine in another place. All the states remain the same in this new place, but a few states run slightly different stuff. What design pattern allows me to reuse this state machine? Motivation I am building a video player. It is modeled by a state machine with these states: stopped, loading, playing, paused, crashed, and some more... This video player needs to be used on two web pages. When the player crashes on the first page, it should show an error message below. If the player crashes on the second page, the error message should appear in the center of the video and pulsate a few times.

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• How to xkill an application by its id?

  - by Hanynowsky

  I need to simulate the behavior of the keyboard shortcut (ALT+F4) using Terminal for a given application. If I open for example gedit and click ALT + F4 , then GEDIT will be xkilled. If I want to achieve same thing using Terminal, how should I proceed? The command export PIDTOKILL=pidof gedit | grep [^*]; xkill -id $PIDTOKILL does not work and gives the following error: xkill: killing creator of resource 0x3f38 X Error of failed request: BadValue (integer parameter out of range for operation) Major opcode of failed request: 113 (X_KillClient) Value in failed request: 0x3f38 Serial number of failed request: 8 Current serial number in output stream: 9 I think I am confusing application id and process id here

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• Pidgin not present in 12.10 repositories, how do i get one?

  - by Ankit

  I want to install Pidgin on my 12.10 clean install system. When I go to the Software Center and try to install the client I get an error saying:- Not found There isn’t a software package called “pidgin” in your current software sources. Any ideas which repositories i need to import to get this done. ERROR:- Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/p/pidgin/pidgin-data_2.10.6-0ubuntu1_all.deb 404 Not Found [IP: 91.189.92.156 80] Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/p/pidgin/pidgin_2.10.6-0ubuntu1_amd64.deb 404 Not Found [IP: 91.189.92.156 80]

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• A Deep Dive into Transport Queues - Part 1

  Submission queues? Poison message queues? Johan Veldhuis unlocks the mysteries of MS Exchange's Transport queues that used to temporarily store messages waiting until they are passed through to the next stage, and explains how to manage these queues.

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• Why Use GRUB2? Good Question! (part 3)

  <b>Linux Planet:</b> "As we come to the end of Akkana Peck's excellent series on mastering GRUB2, it's not clear what advantages it has over legacy GRUB, or even good old LILO. It seems it's gone backwards. In today's installment we learn how to translate some common and mysterious error messages, and how to manage a multi-boot system with GRUB2."

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• More problems in one

  - by Susie

  Yesterday I installed Ubuntu 12.04 because of some previous problems. I had to recover files through Photorec. But it filled my whole disk overnight and didn't even finish. When I turn on my notebook, there's an error The system is runnning in low-graphics mode (don't know if it's somehow connected with it). I need to delete those recup_dir folders, but also I need to finish recovering and get through the error. So I'm absolutely desperate. I hope that I writed it ok. Thanks in advance.

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• Spaces in type attribute for Behavior Extension Configuration Issues

  - by Shawn Cicoria

  If you’ve deployed your WCF Behavior Extension, and you get a Configuration Error, it might just be you’re lacking a space between your “Type” name and the “Assembly” name. You'll get the following error message: Verify that the extension is registered in the extension collection at system.serviceModel/extensions/behaviorExtensions So, if you’ve entered as below without <system.serviceModel> <extensions> <behaviorExtensions> <add name="appFabricE2E" type="Fabrikam.Services.AppFabricE2EBehaviorElement,Fabrikam.Services, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null"/> </behaviorExtensions> </extensions> The following will work – notice the additional space between the Type name and the Assembly name: <system.serviceModel> <extensions> <behaviorExtensions> <add name="appFabricE2E" type="Fabrikam.Services.AppFabricE2EBehaviorElement,Fabrikam.Services, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null"/> </behaviorExtensions> </extensions>

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• WCF Routing Service Filter Generator

  - by Michael Stephenson

  Recently I've been working with the WCF routing service and in our case we were simply routing based on the SOAP Action. This is a pretty good approach for a standard redirection of the message when all messages matching a SOAP Action will go to the same endpoint. Using the SOAP Action also lets you be specific about which methods you expose via the router. One of the things which was a pain was the number of routing rules I needed to create because we were routing for a lot of different methods. I could have explored the option of using a regular expression to match the message to its routing but I wanted to be very specific about what's routed and not risk exposing methods I shouldn't via the router. I decided to put together a little spreadsheet so that I can generate part of the configuration I would need to put in the configuration file rather than have to type this by hand. To show how this works download the spreadsheet from the following url: https://s3.amazonaws.com/CSCBlogSamples/WCF+Routing+Generator.xlsx In the spreadsheet you will see that the squares in green are the ones which you need to amend. In the below picture you can see that you specify a prefix and suffix for the filter name. The core namespace from the web service your generating routing rules for and the WCF endpoint name which you want to route to. In column A you will see the green cells where you add the list of method names which you want to include routing rules for. The spreadsheet will workout what the full SOAP Action would be then the name you will use for that filter in your WCF Routing filters. In column D the spreadsheet will have generated the XML snippet which you can add to the routing filters section in your configuration file. In column E the spreadsheet will have created the XML snippet which you can add to the routing table to send messages matching each filter to the appropriate WCF client endpoint to forward the message to the required destination. Hopefully you can see that with this spreadsheet it would be very easy to produce accurate XML for the WCF Routing configuration if you had a large number of routing rules. If you had additional methods in other services you can simply copy the worksheet and add multiple copies to the Excel workbook. One worksheet per service would work well.

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• JDK 8 install in ubuntu

  - by maamaa

  I'm tring to install jdk 8 for weeks, but it fails.Following are some outputs, sudo update-alternatives --config java There is only one alternative in link group java (providing /usr/bin/java): /opt/java-oracle/jdk1.8.0/bin/java Nothing to configure. which java /usr/bin/java java bash: /usr/local/java/jdk1.7.0_51/bin/java: No such file or directory ls -l /usr/bin/java /usr/bin/java -> /etc/alternatives/java ls -l /etc/alternatives/java /etc/alternatives/java -> /opt/java-oracle/jdk1.8.0/bin/java sudo update-alternatives --config javac /opt/java-oracle/jdk1.8.0/bin/javac 1 manual mode javac Error: could not find libjava.so Error: Could not find Java SE Runtime Environment. If you can please give me a help to slove this problem. Thank You

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• How to install programs downloaded from the internet?

  - by Rosamunda Rosamunda

  I've downloadad the latest XAMPP file, to install it into Ubuntu 13.04. After downloading the file, I just can run it. I've double click it (and I've tried right click and clicking "open", whith the same result). All the answer I get is this message: Could not display “xampp-linux-1.8.3-1-installer.run”. There is no application installed for “executable” files. Do you want to search for an application to open this file? I've tried searching for an application, with no result... Also, I haven't found any questions related to this issue with the 13.04 Unity version... I've tried this solution, with no result. Please note that this isn't a Xampp question, the same happened to me when I tried to install Skype. UPDATE: I've tried this solution: cd ~/Downloads chmod +x myfile.run sudo sh myfile.run And I've got this error: Syntax error: "(" unexpected What should I do? Thanks!

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• Could I be going crazy with Event Handlers? Am I going the "wrong way" with my design?

  - by sensae

  I guess I've decided that I really like event handlers. I may be suffering a bit from analysis paralysis, but I'm concerned about making my design unwieldy or running into some other unforeseen consequence to my design decisions. My game engine currently does basic sprite-based rendering with a panning overhead camera. My design looks a bit like this: SceneHandler Contains a list of classes that implement the SceneListener interface (currently only Sprites). Calls render() once per tick, and sends onCameraUpdate(); messages to SceneListeners. InputHandler Polls the input once per tick, and sends a simple "onKeyPressed" message to InputListeners. I have a Camera InputListener which holds a SceneHandler instance and triggers updateCamera(); events based on what the input is. AgentHandler Calls default actions on any Agents (AI) once per tick, and will check a stack for any new events that are registered, dispatching them to specific Agents as needed. So I have basic sprite objects that can move around a scene and use rudimentary steering behaviors to travel. I've gotten onto collision detection, and this is where I'm not sure the direction my design is going is good. Is it a good practice to have many, small event handlers? I imagine going the way I am that I'd have to implement some kind of CollisionHandler. Would I be better off with a more consolidated EntityHandler which handles AI, collision updates, and other entity interactions in one class? Or will I be fine just implementing many different event handling subsystems which pass messages to each other based on what kind of event it is? Should I write an EntityHandler which is simply responsible for coordinating all these sub event handlers? I realize in some cases, such as my InputHandler and SceneHandler, those are very specific types of events. A large portion of my game code won't care about input, and a large portion won't care about updates that happen purely in the rendering of the scene. Thus I feel my isolation of those systems is justified. However, I'm asking this question specifically approaching game logic type events.

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• Unable to use Hardware Acceleration for Radeon HD 6490M card

  - by user62004

  I've followed steps in this guide. Here is output of 'vainfo' command: libva: VA-API version 0.32.0 libva: va_getDriverName() returns 0 libva: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so libva: va_openDriver() returns -1 vaInitialize failed with error code -1 (unknown libva error),exit I have Catalyst 12.6 driver installed (from debs). Also I've fixed switchable graphics bug, using this guide (STEP 2). I've tried to add 'LIBVA_DRIVER_NAME=xvba LIBVA_DRIVERS_PATH=/usr/lib/va/drivers' to /etc/environment and rebooted system, but the result was the same. PLEASE HELP! :) Thanks! :]

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• Preseed Ubuntu installation with full disk encryption

  - by user249264

  I am trying to set up Ubuntu full disk encryption using preseeding. I was able to set things up correctly following the preseed file presented here. But I do not want to provide the default password in the preseed file. Is there a way to let ubiquity fall to the screen that asks for the encryption passphrase just like it does when the username is not provided in the preseed file? When I try to leave the passphrase option empty in the preseed file, I get an error in the installer saying "An error occured while creating the keyfile".

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• Phishers Rev Up IRS Scams for Tax Time

  With tax season in full swing, online scammers are blanketing the Internet with polished messages posing as the IRS trying to entice users to click on a link that could expose their personal information.

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• Showing "Failed" for a SharePoint 2010 Timer Job Status

  - by Damon

  I have been working with a bunch of custom timer jobs for last month.  Basically, I'm processing a bunch of SharePoint items from the timer job and since I don't want the job failing because of an error on one item, so I'm handing errors on an item-by-item basis and just continuing on with the next item.  The net result of this, I soon found, is that my timer job actually says it ran successfully even if every single item fails.  So I figured I would just set the "Failed" status on the timer job is anything went wrong so an administrator could see that not all was well. However, I quickly found that there is no way to set a timer job status.  If you want the status to show up as "Failed" then the only way to do it is to throw an exception.  In my case, I just used a flag to store whether or not an error had occurred, and if so the the timer job throws a an exception just before existing to let the status display correctly.

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• Upgrade from ubuntu 9.10 to 11.10

  - by Chinnu

  Our project definition is to develop CUDA programs. Our workstation has CUDA 3.1 installed in Ubuntu 9.10. We need to program in CUDA 5.0 which can be installed only on ubuntu 11.10 or 12.04. We tried upgrading but were faced with many problems as 9.10 is no longer supported. So we chose to proceed with a clean installation. Since we have a shared workstation, we need to back up the settings. We decided to use clonezilla for cloning the system. Booting from the LiveCD showed an unexpected error. Another option was to install 11.10 in an external HDD by partitioning it, but Gparted could not be installed and terminated with the error "installArchives() failed" which we couldn't solve even after modifying the sources.list. We are stuck either ways. Have no idea how to proceed and we have a deadline to submit our CUDA program. Any suggestion is welcome.

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• why my system gets frozen?

  - by user93019

  Is now something like 2 weeks since my system gets frozen while browsing the web, using apps, watching videos on web sites, basically using any part of my netbook, even when i'm only using one program (like the web browser) this happens. Is so frozen, that the only option i have left to do is to PRESS and hold the power button, nothing else works; I have seeing an error message telling me about a "compiz" error, but not all the times, and this happens every day, some times 2 or 3 times, during the same day. Why does this happens? how can i fix it? please help. Just to let you know i have my system up to date on 12.04 32 bits version, working on an Acer aspire AOD257, 1 Gb RAM, Intel® Atom™ CPU N570 @ 1.66GHz × 4 .

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• How can a website look different in safari Windows and Safari mac?

  - by Jakob

  I have the website http://storkbox.magentodemo.dk . I've been testing crossbrowser on my windows PC, and it looks good in all browsers, but on Mac in Safari it looks like the CSS is not getting interpreted right, or there is a critical javascript error. When I look in the console cross-browser, the error log shows exactly the same. Chrome on mac interprets the site as intended, so why do I have a problem with safari. It is the same across different computers, and iphone safari also shows the site wrong. How is this possible and how do I debug?

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• Increase Servers folder depth limit for running scripts?

  - by MeltingDog

  I have a CMS on my site that utilises TinyMCE (the WYSIWYG text editor). The issue is that TinyMCE cannot browse for files (example: images) on the web server. I get the error: Error 324 (net::ERR_EMPTY_RESPONSE): The server closed the connection without sending any data. I have been told this may be occurring because the server is configured to limit the folder depth for running scripts. Unfortunately I am primarily a front end developer so I am not really sure how to go about changing/viewing this. I have access to WHM and cPanel. Does anyone know how to adjust this?

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• problem in installing binutils

  - by user3667930

  when am trying to install mspgcc on ubuntu 14.04 version am getting an error at "make" during installation of binutils... following are the commands i used.. sir please help me in fixing this error.Thanks in advance.. wget http://ftpmirror.gnu.org/binutils/binutils-2.21.1a.tar.bz2 tar xvfj binutils-2.21.1a.tar.bz2 cd binutils-2.21.1 patch -p1 < ../mspgcc-20120406/msp430-binutils-2.21.1a-20120406.patch cd .. mkdir -p BUILD/binutils cd BUILD/binutils ../../binutils-2.21.1/configure --target=msp430 --program-prefix="msp430-" --with-mpfr-include=/usr/local/include -with-mpfr-lib=/usr/local/lib --with-gmp-include=/usr/local/include -with-gmp-lib=/usr/local/lib --with-mpc-include=/usr/local/include -with-mpc-lib=/usr/local/lib make -j 4 sudo make install cd ../..

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• How can I upgrade from Ubuntu 9.10 to 11.10?

  - by Chinnu

  We need to program in CUDA 5.0 which can be installed only on ubuntu 11.10 or 12.04. Our current version, 9.10, is no longer supported, so we chose to proceed with a clean installation. Since we have a shared workstation, we used clonezilla for cloning the system. However, booting from the LiveCD showed an unexpected error. We also tried to install 11.10 in an external HDD by partitioning it, but Gparted could not be installed, and terminated with the error "installArchives() failed" which we couldn't solve even after modifying the sources.list. Is there a way to proceed with this upgrade?

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