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• apt-get update: 503 Service Unavailable

  - by Johan Barelds

  I do get the following error message(s) when running apt-get update: Err http://nl.archive.ubuntu.com precise-backports/multiverse i386 Packages 503 Service Unavailable The server is not behing a proxy, but there is a firewall, I suspect that the firewall is causing me troubles (transparant proxy?). What kind of checks can I perform to be sure it is the firewall and not something else? Which specific ports should I check in which way to get conclusive evidence?

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• When i trid to install ubuntu 11.10 i get an error '"Windows Backend object has no attribute 'iso-path' - see log for details.'

  - by Raja

  I am trying to install Ubuntu 11.10 in windows XP, Everything went as before until the countdown clock reached zero, then I got "Windows Backend object has no attribute 'iso-path' - see log for details. It's done it three times now. (Formatting in between) The end of the log says 11-01 17:20 DEBUG TaskList: New task check_iso 11-01 17:20 DEBUG TaskList: ### Running check_iso... 11-01 17:20 DEBUG CommonBackend: Checking Y:\ubuntu\install\installation.iso 11-01 17:20 DEBUG Distro: checking Ubuntu ISO Y:\ubuntu\install\installation.iso 11-01 17:20 DEBUG Distro: wrong size: 8094031872 900000000 11-01 17:20 DEBUG TaskList: ### Finished check_iso 11-01 17:20 ERROR TaskList: 'WindowsBackend' object has no attribute 'iso_path' Traceback (most recent call last): File "\lib\wubi\backends\common\tasklist.py", line 197, in call File "\lib\wubi\backends\common\backend.py", line 579, in get_iso File "\lib\wubi\backends\common\backend.py", line 565, in use_iso AttributeError: 'WindowsBackend' object has no attribute 'iso_path' 11-01 17:20 DEBUG TaskList: # Cancelling tasklist 11-01 17:20 DEBUG TaskList: # Finished tasklist 11-01 17:20 ERROR root: 'WindowsBackend' object has no attribute 'iso_path' Traceback (most recent call last): File "\lib\wubi\application.py", line 58, in run File "\lib\wubi\application.py", line 130, in select_task File "\lib\wubi\application.py", line 205, in run_cd_menu File "\lib\wubi\application.py", line 120, in select_task File "\lib\wubi\application.py", line 158, in run_installer File "\lib\wubi\backends\common\tasklist.py", line 197, in call File "\lib\wubi\backends\common\backend.py", line 579, in get_iso File "\lib\wubi\backends\common\backend.py", line 565, in use_iso AttributeError: 'WindowsBackend' object has no attribute 'iso_path'

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• Diabetic trying to use Ubuntu with Medtronic Carelink insulin pump support USB device

  - by Gary C.

  I am taking a wild shot here: I am a type 1 diabetic who is going on the Insulin pump. Unfortunately, the Medtronic Carelink USB device that uploads data from the pump online only has windows drivers. Has anybody managed to get this working under Ubuntu using Wine or by any other method: lsusb yields: Bus 001 Device 014: ID 0a21:8001 Medtronic Physio Control Corp. MMT-7305WW [Medtronic Minimed CareLink] I really don't want to buy a windows machine just for this, but it's probably one in a million that somebody else has managed to make this work under Linux.

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• How to check the process is already running or not

  - by TechGuru

  I want to check the particular process in already running or not. I refereed this Q&A. But I didn't get any specific solution. Following is the example that I tried: I have created abc.sh file and run this script on background, like sh abc.sh &. Now this file is running on background and I fire the ps aux | grep "abc" command. Following is the output of this command: prakash 3594 0.0 0.0 4388 820 pts/0 S+ 16:44 0:00 grep --color=auto abc After that I stop the abc.sh running script and fire the same command ps aux | grep "abc" command. But I am getting same output like: prakash 3594 0.0 0.0 4388 820 pts/0 S+ 16:44 0:00 grep --color=auto abc Is there any other way to find the process is running or not?

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• How to set up a VirtualHost on Amazon EC2 for phpmyadmin

  - by Oudin

  Hi I'm currently working on setting up a VirtualHost on Amazon EC2 for accessing phpmyadmin so i can access it with test.example.com as oppose to it being widely available as it's default example.com/phpmyadmin. So far I've created a file "testfile" in /etc/apache2/sites-available/ with the code below and enabled it "a2ensite testfile" However I'm not getting the vhost to work <VirtualHost *:80> ServerAdmin [email protected] ServerName test.example.com ServerAlias test.example.com #DocumentRoot /usr/share/phpmyadmin DocumentRoot /home/user/public_html/folder RewriteEngine On RewriteCond %{HTTP_HOST} !test.example.com RewriteRule (.*) [L] <Directory /home/user/public_html/folder> Options FollowSymLinks DirectoryIndex index.php AllowOverride None <IfModule mod_php5.c> AddType application/x-httpd-php .php php_flag magic_quotes_gpc Off php_flag track_vars On php_flag register_globals Off php_admin_flag allow_url_fopen Off php_value include_path . php_admin_value upload_tmp_dir /var/lib/phpmyadmin/tmp php_admin_value open_basedir /usr/share/phpmyadmin/:/etc/phpmyadmin/:/var/lib/phpmyadmin/ </IfModule> </Directory> # Authorize for setup <Directory /usr/share/phpmyadmin/setup> <IfModule mod_authn_file.c> AuthType Basic AuthName "phpMyAdmin Setup" AuthUserFile /etc/phpmyadmin/htpasswd.setup </IfModule> Require valid-user </Directory> # Disallow web access to directories that don't need it <Directory /usr/share/phpmyadmin/libraries> Order Deny,Allow Deny from All </Directory> <Directory /usr/share/phpmyadmin/setup/lib> Order Deny,Allow Deny from All </Directory> ErrorLog /home/user/public_html/folder/logs/error.log LogLevel warn CustomLog /home/user/public_html/folder/logs/access.log combined </VirtualHost> sudo ln -s /usr/share/phpmyadmin /home/user/public_html/folder The above line creates a link of the phpmyadmin in the public folder. Any help on this would be greatly appreciated. Note: example.com will be replaced with my official domain

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• Monitor won't enter power save mode

  - by Adam Monsen

  My LCD monitor won't enter power save mode. I've gone into System ? Preferences ? Screensaver, clicked Power Management, then set Put display to sleep when inactive for: to 10 minutes (for both On AC Power and On Battery Power), but the monitor still doesn't enter power save mode, even after an hour. Anyone have ideas on what to try? I'm using Ubuntu 10.04.1 LTS 64-bit desktop on a Dell Latitude E6400 laptop.

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• NVidia with Optimus conflicting in Ubuntu 12.04

  - by Humannoise

  i have recently installed Ubuntu 12.04 in a Intel Ivy Bridge with integrated graphics and NVidia GPU with Optimus tech, however i cant manage it to work properly. I have already passed by the solution of bumblebee project, however iam got the following message when try to run anything with nvidia card( e.g. with optirun firefox): [ERROR]The Bumblebee daemon has not been started yet or the socket path /var/run/bumblebee.socket was incorrect. [ERROR]Could not connect to bumblebee daemon - is it running? Since the nvidia card is not working properly, some softwares like Scilab, that make use of X11 system for graphic handling and plotting, wont work too. my bios has no option concerning graphics card and the log of daemon returned: Jul 5 16:10:51 humannoise-W251ESQ-W270ESQ bumblebeed[980]: Module 'nvidia' is not found. Jul 5 16:10:51 humannoise-W251ESQ-W270ESQ kernel: [ 17.943272] init: bumblebeed main process (980) terminated with status 1 Jul 5 16:10:51 humannoise-W251ESQ-W270ESQ kernel: [ 17.943288] init: bumblebeed main process ended, respawning Jul 5 16:10:51 humannoise-W251ESQ-W270ESQ bumblebeed[1026]: Module 'nvidia' is not found. The lspci -nn | grep '\[030[02]\]:' returned: 00:02.0 VGA compatible controller [0300]: Intel Corporation Ivy Bridge Graphics Controller [8086:0166] (rev 09) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:0de9] (rev a1) Ok, for the command dpkg -l | grep '^ii' | grep nvidia i got : ii bumblebee-nvidia 3.0-2~preciseppa1 nVidia Optimus support using the proprietary NVIDIA driver ii nvidia-current 302.17-0ubuntu1~precise~xup1 NVIDIA binary Xorg driver, kernel module and VDPAU library ii nvidia-current-updates 295.49-0ubuntu0.1 NVIDIA binary Xorg driver, kernel module and VDPAU library ii nvidia-settings 302.17-0ubuntu1~precise~xup3 Tool of configuring the NVIDIA graphics driver ii nvidia-settings-updates 295.33-0ubuntu1 Tool of configuring the NVIDIA graphics driver After full reinstallation, including the remove of any previous nvidia drive, lsmod | grep -E 'nvidia|nouveau' returned: nvidia 10888310 46 dmesg | grep -C3 -E 'nouveau|NVRM' returned things like: [ 1875.607283] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 1875.607289] nvidia 0000:01:00.0: setting latency timer to 64 [ 1875.607293] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=none [ 1875.607363] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 302.17 Tue Jun 12 16:03:22 PDT 2012 [ 1884.830035] nvidia 0000:01:00.0: PCI INT A disabled [ 1884.832058] bbswitch: disabling discrete graphics [ 1884.832960] bbswitch: Result of Optimus _DSM call: 09000019 Some programs, like Scilab, are now working fine under optirun(e.g. >optirun scilab) call. Thank you.

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• Launcher icon size and window behavior broken

  - by philipp

  I have installed the nvidia driver for my graphic card, just following some tutorials what works fine now. After this I could set the Icon size of the launcher, windows had a nice litte shadow, resolution was better and the windows showed up a nice effect when popping up an or when bringing to full-screen... But today the this was just gone after reboot. What could this be? Nvidia xserver-settings are availible. I installed and reinstalled wine1.5 via the apt-get commands, so this might broke something. What can do to fix this again? Greetings philipp EDIT: I went on searching and all i found was that this problem might be connected to the mode of unit, so there is 2d and 3d, but could also be something else, just because setting the mode brings no change. EDIT 2: the version of Ubuntu is: 12.04 and it is a 64 bit environment the graphic card is: GeForce GT 330M Edit 3: Using maps.google in webGL mode does not work anymore too, it was working yesterday. EDIT 4: the screenshot. btw: I think that blender is not working anymore too... EDIT: 5 I think that the problem is closely connected to this output

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• games and rendered surfaces get slow after having computer on for some time

  - by eyecreate

  I have an i5 2500K and nvidia 9600 GT with proprietary driver. For some reason, this set up on 12.04(and was same on 11.10) seems to work fine on boot up, but after about 30 mins of use, games and other accelerated surfaces start running at about 5fps. This is fixed by a reboot to start it all over again. Is there some way I can get rid of this, as I don't have this problem with other systems with Ubuntu?

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• Purple screen on boot, iMac

  - by Eugene B

  I have just installed Ubuntu 13.10 (special iMac iso found here) on the new iMac (dual boot). Installation of rEFIt was completed successfully, as well as the installation of Ubuntu itself. After the final reboot, rEFIt sees this distributive and allows the choice. When I select "Boot linux from HD", it sends me to grub screen, where I can select Ubuntu. And then it gets stuck on the purple screen (smpboot: Booting Node 0, Processors #1 -- for the recovery mode) with no further action. Does anybody know a solution to this problem? P.S.: I have also tried both 32 and 64-bit pc distributives (occasionally) with the same result.

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• Are libc versions tied to kernel versions?

  - by mathematician1975

  After reading the answers to my previous question I have come to the conclusion that an answer to the following question is what I was actually looking for: Does a particular version of the kernel require a particular version of libc to run properly? Basically my problem stems from building an application on my 12.04 ubuntu and trying to run it on 8.04. I have since learned from this and other stackexchange forums that it is backward compatibility of libc that causes these problems. Therefore what I am perhaps naively trying to do is build the same version of libc that exists on my target and then link against that on my host when I build the application. Then in an ideal world when I copy this to the host, having been linked to the "correct" libc it should work (in my head at least). I have been totally unable to find a way to install an older libc on my system, and wondered if each version is tightly bound to a kernel version, hence the above question.

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• How to restore missing calendar data from Lightning/Thunderbird

  - by dev9

  Today out of nowhere all my events and tasks disappeared from my Thunderbird. However, I have a full backup of .thunderbird folder. How can I restore my calendar data? I reverted these files to previous versions: /home/me/.thunderbird/xxx.default/calendar-data/local.sqlite /home/me/.thunderbird/xxx.default/prefs.js but I still cannot see any data in my Thunderbird. What else should I do?

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• Eclipse no longer useful

  - by dgood1

  When I got my Eclipse from the Ubuntu Software Center, it was good and worked fine. I could work on Java projects fine. This week I was required to add ADT and tried the ADT-bundle, assuming it had everthing I needed, seeing that the SDK had more steps. So now, I can create Android apps using the ADT-bundle. I tried to work on my java projects again and I now discovered: I can't run my java projects: "The selection cannot be launched. And there are no recent launches." error. I also believe Eclipse doesn't know it's a java program because it all in black and white. Not the usual green/blue/red/black things when making comments, variables and Strings. I can't make new projects of ANYTHING unless I use the adt-bundle. New project only offers CVS (whatever that is) My perspectives seem limited. I remembered more choices and now I'm limited to [Java], Resource, CVS Repository, debug, Team Sync. I was told to be able to use perspectives to swap between Android and Java developing. Even after the ADT installation using "Install new Software",nothing. I can't uninstall/purge/remove Eclipse via the terminal. I tried removing it then reinstalling it via the Ubuntu Software Cetner. No results other than it's temporary removal. (Possibly unrelated) A large number of repositories are not found when updating Eclipse. (See Step 8 in Summary of what I did...) Although, on checking the versions and installation history, I confirmed Android and Java are installed. It probably just doesn't know it's there. Eclipse Indigo: Version: 3.7.2 Build id: I20110613-1736 Summary of what I did before and during the problem: Downloaded adt-bundle. Attempted instructions from teacher. (Install new Software) (Failed but other than an annoying "can't find repository" during each update, no damage to report) (Fixed) Ran "eclipse" executable from the adt-bundle. Updated Eclipse. (After restart, I noticed the problem) NOTE: other than window arrangement, I had no customizations. Played around with the Windowspreferences and Projectpropertied. Restored to default settings after no results. Tried "apt-get purge eclipse". Couldn't find Eclipse so, nothing happened. Used Software center. No results. Tried swapping workspaces. I tried different folder, deeper folder, renaming. All return the same problem. Deleted adt-bundle (browsed folders then delete). Got Adt-sdk only. Installed. Can't find any changes other than some disk space usage. Of course, I can't make Android apps until I unzip the bundle again. WindowsPreferencesInstall/UpdateAvailable Software Sites, Checked as many repositories as possible, then updated. Still nothing. I'm about to get a second try on uninstalling it, because I think my last action will just be taking up space. But I'll wait for tomorrow, in case the answer will help. Any thoughts?

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• Flash Player Plugin on Firefox will not update on Ubuntu 11.10 32 bit

  - by George

  I am running on Ubuntu 11.10 32 bit, and my flash player plug-in for Firefox is outdated. I must update my plug-in to flash player 11, but I am not able. I have already installed Adobe Flash Player via Ubuntu Software center (As it prompted me to after trying to download from the Adobe site) Without the plug-in updated, videos can not be played from directly on a Facebook page, and I believe that it distorts the video player on Youtube. (Image of player can be seen at imgur.com/gYbFx)

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• Create shortcut for PHP

  - by Daniel

  I have XAMPP installed and my PHP is: /opt/lampp/bin/php-5.3.8 Every time I need to execute a PHP file I need to do this: /opt/lampp/bin/php-5.3.8 testando.php Is there another way to execute it besides using symbolic link? I did this on /etc/init.d/: sudo ln -s /opt/lampp/bin/php-5.3.8 php Why when I need to run PHP I have to do this ./php instead of just php? And is there a way to do this without the ./? Like it was installed via apt-get?

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• No app icons in menus

  - by Lyrositor

  I have enabled icons in menus, and most of them show up well (folder icons, file icons, save icons, etc.). But whenever an app tries to use an icon specific to itself, such as GIMP, it replaces that icon with the app icon, so that when I look at a menu in GIMP, I see most of the time just icons of GIMP's logo (that seems to be the only problem; the text is fine). I thought this was proper to GIMP, but I also noticed it happening on AbiWord. Thankfully, as I said, it's not for all icons. But it still bugs me. Why is it so? Here is a screenshot of a menu in GIMP: I am using Ubuntu 11.04 Natty Narwhal, with Unity desktop (the problem also occurs on the Classic desktop, if I remember correctly). EDIT: This does NOT occur on the Classic desktop; only in Unity.

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• Python 2.4 on Ubuntu 12.04

  - by veepsk

  I want to develop a Python application on Ubuntu 12.04 using python 2.4, but since the default version of python on ubuntu is 2.7. I cannot get the libraries and packages to work for python 2.4. I have tried using virtualenv but even with virtualenv I was not successful in installing packages for python2.4. So I would like to know if there is any reliable method to get python 2.4 to work with Ubuntu. I know that I shouldnt mess with the default version of python on ubuntu and hence I am looking for a better alternative. Thanks in advance.

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• Using a DisplayLink USB video adapter on Ubuntu 12.10

  - by Jason R

  The line of USB video adapters made by DisplayLink has a somewhat sordid history under Linux. In past Ubuntu releases, the process of getting them to work has been somewhat difficult, inspiring a number of past questions on this site: example 1 example 2 example 3 However, there are some indications that version 3.5 of the Linux kernel (which is used by 12.10) contains better support for these adapters, which should make them easier to use. I currently have a single-GPU machine (it is an Nvidia adapter) with dual monitor outputs. I would like to add the DisplayLink adapter to drive a third external monitor. How can I set this up on Ubuntu 12.10?

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• apt-get upgrade gives "403 forbidden" error

  - by 3l4ng

  I'm running Ubuntu 13.04 64b. sudo apt-get update works fine, but when I run sudo apt-get upgrade I get these errors: Err http://archive.ubuntu.com/ubuntu/ raring-updates/main python3.3-minimal amd64 3.3.1-1ubuntu5.2 403 Forbidden Err http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu/ raring/main gimp amd64 2.8.6-0raring1~ppa 403 Forbidden Err http://archive.ubuntu.com/ubuntu/ raring-security/main python3.3-minimal amd64 3.3.1-1ubuntu5.2 403 Forbidden Err http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu/ raring/main gimp-help-en all 1:2.8-0raring16~ppa 403 Forbidden Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/p/python3.3/python3.3-minimal_3.3.1-1ubuntu5.2_amd64.deb 403 Forbidden Failed to fetch http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu/pool/main/g/gimp/gimp_2.8.6-0raring1~ppa_amd64.deb 403 Forbidden Failed to fetch http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu/pool/main/g/gimp-help/gimp-help-en_2.8-0raring16~ppa_all.deb 403 Forbidden E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? Running sudo apt-get upgrade --fix-missing installs some updates, but the above errors still persist when I run apt-get upgrade again. The software update app shows the error: https://www.dropbox.com/s/2cr450557hmahzz/software_update.jpg and selecting continue shows: https://www.dropbox.com/s/l7u32sxyfbxxeeg/soft_upd2.jpg (sorry for the links, I don't have enough rep to post images) I am behind a proxy, but apt-get update and web browsing work without issues. I also do not believe a server being down is causing this, as the problem has been there over a month. Any ideas on how to fix this?

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• Why wont Ubuntu recognize Rogers LTE Rocket stick 330U Sierra wireless modem?

  - by rob lawson

  I tried to plug the rocket stick into the USB slot, and Ubuntu does not recognize that there is anything in the drive. I plug in a standard USB thumbdrive and it is recognized right away. Are there any applications to help me open the rogers folders to see the files, and maybe connect to the Internet using said rocket stick 330U? I've been searching for this answer for almost a week now, seems no one knows how to get the net using this piece of technology.

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• Unable to set default gateway

  - by GrandMasterFlush

  I'm running Ubuntu server via Hyper-V and have successfully installed it but seem unable to ping the server or ping any other machines on the network from the server. After doing a bit of reading I've noticed that the default gateway isn't set but when I try and set it I keep getting error messages which I can't understand. From this article I've tried ip route add default via 10.0.10.200 Which reports: RTNETLINK answers: Operation not permitted If I try running it prefixed with sudo but it reports: `RNETLINK answers: No such process I've editted /etc/network/interfaces but when I start the machine and type netstat -nr there is nothing listed. Can anyone tell me where I'm going wrong please? EDIT : /etc/network/interfaces contains: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp

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• Hybrid Graphics on Windows 7/Ubuntu 12.04 Dual Boot

  - by Noob.

  Alright, so here's the situation: I am using an ASUS UL80VT with two graphics cards: Integrated intel graphics and NVIDIA G210M I was running an Ubuntu 12.04 - Windows 7 dual boot (on separate partitions).The machine worked perfectly (including the display drivers) without me needing to install anything special or change any settings. However, my hard drive was corrupted and I lost all my data yesterday, so after it was replaced, I installed Ubuntu 12.04 64x again after installing Windows 7. I booted up Ubuntu after installation, and noticed it was by default using Unity 2D... Gnome 3.4 wasn't working properly either, so I guessed that the NVIDIA G210M driver wasn't installed/working and the OS was instead using the integrated graphics. I checked the "Additional Drivers" thing, but there were no proprietary drivers listed there, so I went to the NVIDIA website, downloaded the driver directly and installed it. I restarted, but there was no change. After this, I read somewhere that I should change my SATA in the BIOS to "Compatible" rather than "Enhanced". This worked fine and fixed the problem (both Unity and Gnome were working perfectly) but then when I tried booting up Windows 7, I recieved the BSOD. So I changed it back to Enhanced, and once again, the NVIDIA 210M graphics isn't working on Ubuntu, but on Windows 7 it is. I do not want to keep changing from Enhanced to Compatible every time I reboot to Ubuntu and neither do I want to simply just use one OS. Note that NVIDIA 210M and integrated graphics work perfectly on Windows 7. Also, I don't care about switching between them, I just want to be able to use the NVIDIA one. What can I do so that both Windows 7 and Ubuntu work and NVIDIA G210M works on Ubuntu?

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• Ubuntu 12.04 LTS: Error message "Failed to execute child process"

  - by Ron

  I am an Ubuntu-newbie and just started working with Ubuntu (version 12.04 LTS) a couple of days ago. I wanted to add a launcher icon to desktop for launching an application I previously installed. Up to now I can only launch it by typing setsid matlab -desktop into my terminal. Now there is the following problem with the execution via the desktop icon: Whenever I click the desktop icon, I get the following error message: "Failed to execute child process" I would like to add a screenshot, but unfortunately as a new user, I am not allowed to... In the main menu from where I added the icon via drag'n'drop to desktop there is also a permission to execute the .desktop file. I also tried to look for advice on the error message "Failed to execute child process..." but could not find anything useful. Now does anybody have an idea what I am missing? Sorry if this is a stupid question ;) ...but as I just said: I just started with Ubuntu... Thanks to everybody in advance for their help! :) And let me know if you should need any more information... Regards, Ron

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• Add Custom Launcher in 11.10

  - by sayth

  I started by searching guides. I found this guide but neither of the main methods works anymore in 11.10. The first solution, I have created the desktop file, however the file location given as .gconf-> desktop-> unity-> launcher -> favourites no longer exists. I can get to /home/sayth/.gconf/desktop but there is no longer a unity folder. The second solution described right-clicking the desktop and creating a launcher. Right-clicking the desktop no longer produces a "create a launcher" option. I manually installed geany 0.21 as the one in the repo's is outdated. It's installed and working correctly, and is executing from /usr/local/bin/geany. How can I add it to the launcher?

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• using x11 forwarding with ssh and vnc?

  - by simona

  I am working on a remote cluster via ssh with the -X option, because I need to visualize data and graphs, over a vpn protocol. Sometime due to the instability of the internet connection I lose my session. They told me I could use vnc in order to not lose my current session, so that if the internet connection drops I can reconnect and continue with my previously open session. What I do is to log in the remote cluster 'remote.cluster' and type vncserver :1 then I open another terminal on my system and I type ssh -C -NL 5901:remote.cluster:5901 [email protected] & Then I start vinagre on my system and I connect using ssh protocol. The problem is that I do not have x11 forwarding and I cannot open windows. If I try to connect using the vnc protocol with vinagre it doesn't connect, because I get something as connection timeout. What should I do?

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