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• How to remove the graphical user interface?

  - by Praveen Kumar

  Ok my question is that, I want to run a heavy application, on a Virtual Machine (VirtualBox) with just 2 GB RAM (Windows 7 32Bit Host has 4 GB, 3.5 GB effective). Initially I thought of installing Ubuntu Server 12.04.1, which doesn't come with a GUI, so I thought it would be efficient in performance, but I have only Ubuntu 12.04 Desktop. My question is, is it possible to remove the GUI parts in Ubuntu 12.04 Desktop (Not Server), keeping only the core OS, after installation in a virtual machine? Or, is there anyway to improve the performance of the OS? If you need more information, I am ready to provide. I don't want the GUI or anything, even a small terminal window is fine for me, I can access files through FTP.

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• A question about "add-apt-repository"(gcc 4.7 or bumblebee)

  - by girlkoo

  I install ubuntu 12.04 in my notebook and I use c++. I want to use c++11,so I want to upgrade my gcc to gcc4.7. I do like this: sudo add-apt-repository ppa:ubuntu-toolchain-r/test sudo apt-get update sudo apt-get install gcc-4.7 sudo apt-get install g++-4.7 but when I run "sudo apt-get install gcc-4.7", it just can find gcc-4.7-base not gcc-4.7, and when I run "sudo apt-get install g++-4.7", it can find nothing... Today, I want to install the "bumblebee" and do like this: sudo add-apt-repository ppa:bumblebee/stable sudo apt-get update sudo apt-get install bumblebee bumblebee-nvidia sudo reboot but when I run "sudo apt-get install bumblebee bumblebee-nvidia", it tells me the packages can't be find. The ways I methoded are specially use to ubuntu 12.04, the links is: Installing gcc 4.7 https://wiki.ubuntu.com/Bumblebee#Installation What can I do? Thank you!My email is [email protected]

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• How to clone a VirtualBox Disk

  - by [email protected]

   How to clone a VirtualBox DiskCopying the image of Virtual Disk (.vdi file) is a convenient way to duplicate the disk, in cases you want to avoid re-installing an operating system from scratch. However, simply copying the .vdi file into another location will make a verbatim copy of the virtual disk, including the UUID of the disk. If you try to add the copy in the Virtual Media Manager, you will get an error like this:In this case, you have to do is to clone the vdi disk: cd C:\Program Files\Sun\VirtualBox\C:\Program Files\Sun\VirtualBox>vboxmanage clonevdi G:\VMWARES\Database\11GR2onOEL5forVbox\11GR2_OEL5_32GB.vdi G:\VMWARES\Database\11GR2onOEL5forVbox\OEL5_32GB.vdi$ VBoxManage clonevdi Master.vdi Clone.vdiIn case you receive a error like this. It means that the disk is already a copy of other VirtualBox Disk.In that case you chould change the UUID before to clone the Disk.Follow the steps given here in order to do that.

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• Automating custom software installation in a zone

  - by mgerdts

  In Solaris 11, the internals of zone installation are quite different than they were in Solaris 10.  This difference allows the administrator far greater control of what software is installed in a zone.  The rules in Solaris 10 are simple and inflexible: if it is installed in the global zone and is not specifically excluded by package metadata from being installed in a zone, it is installed in the zone.  In Solaris 11, the rules are still simple, but are much more flexible:  the packages you tell it to install and the packages on which they depend will be installed. So, where does the default list of packages come from?  From the AI (auto installer) manifest, of course.  The default AI manifest is /usr/share/auto_install/manifest/zone_default.xml.  Within that file you will find:             <software_data action="install">                 <name>pkg:/group/system/solaris-small-server</name>             </software_data> So, the default installation will install pkg:/group/system/solaris-small-server.  Cool.  What is that?  You can figure out what is in the package by looking for it in the repository with your web browser (click the manifest link), or use pkg(1).  In this case, it is a group package (pkg:/group/), so we know that it just has a bunch of dependencies to name the packages that really wants installed. $ pkg contents -t depend -o fmri -s fmri -r solaris-small-server FMRI compress/bzip2 compress/gzip compress/p7zip ... terminal/luit terminal/resize text/doctools text/doctools/ja text/less text/spelling-utilities web/wget If you would like to see the entire manifest from the command line, use pkg contents -r -m solaris-small-server. Let's suppose that you want to install a zone that also has mercurial and a full-fledged installation of vim rather than just the minimal vim-core that is part of solaris-small-server.  That's pretty easy. First, copy the default AI manifest somewhere where you will edit it and make it writable. # cp /usr/share/auto_install/manifest/zone_default.xml ~/myzone-ai.xml # chmod 644 ~/myzone-ai.xml Next, edit the file, changing the software_data section as follows:             <software_data action="install">                 <name>pkg:/group/system/solaris-small-server</name>                 <name>pkg:/developer/versioning/mercurial</name>                <name>pkg:/editor/vim</name>             </software_data> To figure out  the names of the packages, either search the repository using your browser, or use a command like pkg search hg. Now we are all ready to install the zone.  If it has not yet been configured, that must be done as well. # zonecfg -z myzone 'create; set zonepath=/zones/myzone' # zoneadm -z myzone install -m ~/myzone-ai.xml A ZFS file system has been created for this zone. Progress being logged to /var/log/zones/zoneadm.20111113T004303Z.myzone.install Image: Preparing at /zones/myzone/root. Install Log: /system/volatile/install.15496/install_log AI Manifest: /tmp/manifest.xml.XfaWpE SC Profile: /usr/share/auto_install/sc_profiles/enable_sci.xml Zonename: myzone Installation: Starting ... Creating IPS image Installing packages from: solaris origin: http://localhost:1008/solaris/54453f3545de891d4daa841ddb3c844fe8804f55/ DOWNLOAD PKGS FILES XFER (MB) Completed 169/169 34047/34047 185.6/185.6 PHASE ACTIONS Install Phase 46498/46498 PHASE ITEMS Package State Update Phase 169/169 Image State Update Phase 2/2 Installation: Succeeded Note: Man pages can be obtained by installing pkg:/system/manual done. Done: Installation completed in 531.813 seconds. Next Steps: Boot the zone, then log into the zone console (zlogin -C) to complete the configuration process. Log saved in non-global zone as /zones/myzone/root/var/log/zones/zoneadm.20111113T004303Z.myzone.install Now, for a few things that I've seen people trip over: Ignore that bit about man pages - it's wrong.  Man pages are already installed so long as the right facet is set properly.  And that's a topic for another blog entry. If you boot the zone then just use zlogin myzone, you will see that services you care about haven't started and that svc:/milestone/config:default is starting.  That is because you have not yet logged into the console with zlogin -C myzone. If the zone has been booted for more than a very short while when you first connect to the zone console, it will seem like the console is hung.  That's not really the case - hit ^L (control-L) to refresh the sysconfig(1M) screen that is prompting you for information.

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• (Xubuntu) no touchpad or mouse on Aspire One D270

  - by Sman789

  I installed Xubuntu 12.10 on an Aspire One D270 using a Live USB. Initially, the live USB wouldn't boot, but by running sudo apt-get dist-upgrade on it (on a different machine), I upgraded the kernel and it now works perfectly. However, after installing Xubuntu from the stick onto the D270, neither the touchpad nor an external mouse works. If I use the keyboard to navigate to the mouse settings, the 'device' setting is greyed out. I don't see why the mouse should work perfectly when running from the live USB but not once installed to the machine...? Thanks for any help.

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• Installation of Ubuntu 13.04 seems to take forever

  - by Michel

  I am about to install Ubuntu 13.04 on my AMD x64 machine and the installation of the lib packages seems to take forever. Is that a known issue? I know that it might take some time when checking to download packages from the Internet but this went through very fast. In the terminal-like view I can see, the system is just unpacking, installing, configuring etc. in a quite slow way. In the opening screen it reads: It just takes a few minutes (or something close to that). Again: Is that a normal behavior or am I doing something wrong and what could I do to speed up the process in case I'm running an installation again on another system?

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• How to Run files and open folders as an administrater 11.10

  - by Mattlinux1

  Solved!!! Enable open as administrator in nautilus! To get started, press Ctrl – Alt – T on your keyboard to open Terminal. When it opens, run the commands below: enter code here sudo apt-get install nautilus-gksu After installing that application run copy and paste the line below and press enter. sudo cp /usr/lib/nautilus/extensions-2.0/libnautilus-gksu.so /usr/lib/nautilus/extensions-3.0/ Finally, log out and back in then go and test it, by clicking your right mouse click on the file you want to run as Admin and your see a popup menu with the words: open as administrater. Visit: http://www.liberiangeek.net/2011/12/add-open-as-administrator-to-nautilus-context-menu-in-ubuntu-11-10-oneiric-ocelot/ for help and from here. Enjoy!

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• How to Connect Lubuntu to Ubuntu Hotspot via Ethernet?

  - by Dillmo

  I just fixed up an old laptop by installing Lubuntu 13.04. The laptop does not have a network card, so it can only connect via Ethernet. I created a hotspot with an Ubuntu laptop, but am having trouble connecting to it via wired. I am not asked for a password when I try to connect, even though the network has a password. The hotspot will not enable a wired connection, so that may be the problem. How can I connect a Lubuntu laptop to an Ubuntu laptop hotspot via Ethernet? Update: The connection also does not ask for a password when connecting to a gaming adapter.

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• Manual bootstrapping with Juju on VPS

  - by aaronfc

  I recently bought a VPS (OpenVZ) with Ubuntu 13.04. Lately I've read about Juju and I thought it would match my needs on my brand new VPS as I want to easily configure Hadoop, Wordpress, Graphite and other services. I tried the juju-local approach but I got an error while installing it: http://paste.ubuntu.com/6373143/ So I got to #juju IRC channel and I was told to use "Manual bootstrapping" and create a question here in order to get more info as it seems is something under development. Could anybody help me getting Juju to work on my VPS? Did any had the same problem? Thanks in advance! EDIT: After some more research (and after reading my own question) I think I should clarify a little more the situation. What I want is a manual provider to allow me manage my VPS from Juju. I know there might be a work in progress and I would appreciate any info regarding it's state and any possible solution :)

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• Downgrade to LTS version, preserving /home partition: Should I expect this to work?

  - by Archelon

  Specifically, I'm installing Kubuntu 12.04 over 13.04. And in fact I've already done it, and it seems to have at least mostly worked, but I'm wondering whether this one anomaly is likely to be attributable to the downgrade; to wit: I have no window borders|decorations, but only wide, featureless, white---or sometimes black---margins around all my windows. None of the settings in System Settings (the window border and decorations options are in Workspace Appearance) seem to have any effect. Is this likely to be fixable, or should I cut my losses and reinstall (formatting the /home partition and restoring any data with rsync)?

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• Audio stopped working suddenly in 12.04

  - by Ben

  My audio is no longer working in Xubuntu 12.04 after working fine for about a year. This happened right after visiting the following website and installing an audio browser application to upload voice samples for the creation of an open-source speech recognition program: http://www.voxforge.org/home/read I do not know if that is what caused the problem, but audio stopped working around the same time I installed this web application. When I type in the terminal pulseaudio -D I get the following: E: [pulseaudio] main.c: Daemon startup failed. I tried the following next: sudo apt-get purge pulseaudio sudo apt-get install pulseaudio When I type 'pulseaudio' at the command prompt, I get: E: [pulseaudio] pid.c: Daemon already running. E: [pulseaudio] main.c: pa_pid_file_create() failed.

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• Android Live Testing

  - by Matthew Dockerty

  I am making a game for android and in it I am using sensors which are not available in the emulator. At the moment I am connecting my device and transferring the apk, then installing to test but that is a pain to do, and I have gotten to the stage where I need to start logging values for debugging. I have gone into the run configs of my app and set it to prompt me to pick a device, but my device is never in the list when it is connected to my PC and I try to run it. How am I supposed to set it up to work properly? Thanks for the help.

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• GConf Error: No D-BUS daemon running?! How to reinstall or fix?

  - by v2r

  After installing Konquerer and restarting my laptop i got the following error while trying to open, edit or access files as root from within Terminal (which is existencial for me). root@linuxBox:/home/v2r# gnome-open /home/ (gnome-open:2686): GConf-WARNING **: Client failed to connect to the D-BUS daemon: //bin/dbus-launch terminated abnormally with the following error: No protocol specified Autolaunch error: X11 initialization failed. GConf Error: No D-BUS daemon running root@linuxBox:/home/v2r# No protocol specified Could not parse arguments: Cannot open display: Also it seems, that dbus is not installed properly anymore in /bin/ and /usr/bin/ See screenshot: How would i go about fixing this problem and thank you in advance?!!! Thank you for your answer SirCharlo! It does not resolve the problem at all. Please note, that it only happens while beeing root! root@linuxBox:/home/v2r# gnome-open /home/ (gnome-open:5170): GConf-WARNING **: Client failed to connect to the D-BUS daemon: Failed to connect to socket /tmp/dbus-2RdCUjrZ9k: Connection refused GConf Error: No D-BUS daemon running root@linuxBox:/home/v2r# No protocol specified Could not parse arguments: Cannot open display:

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• Windows XP guest in Ubuntu VirtualBox OSE VM does not install driver to use host's HP laptop webcam.

  - by Guillermo Torres

  I recently created a virtual windows xp with Virtual Box OSE. The sound and video seem to be working just fine. However, it does not recognize the webcam which I use to video chat with yahoo messenger. I use Windows to have video chats with my daughters who live in another country. Since I did not want to go back to windows, I decided to try installing windows in a virtual machine. But when I tried using it yesterday, everything worked perfectly except for the webcam. I was not able to make the webcam work. I tried to download the drivers for it, but since my laptop is HP Pavilion g4-1287la, Core i3, none of the drivers I tried worked. I got the same error every time I tried to install them, something like: This driver cannot be installed in this machine

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• Windows 8 SDK and Orca

  - by John Paul Cook

  The Windows 8 SDK has a new version of Orca for those of us who edit msi files. The download is for a small executable, sdksetup.exe which causes the following dialog box to appear. If you only want Orca and you don’t want to install the SDK, override the default and download all of the files to the location of your choice. In this example, the files are downloaded to D:\Media\Windows8\SDK Figure 1. Downloading the Windows 8 SDK to D:\Media\Windows8\SDK instead of installing it. Click the D ownload...(read more)

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• how do I go about removing all the language packs I don't need

  - by knotech

  I just noticed that in /usr/share/help I have the ubuntu help files in 70 different languages. I only speak 2, and I only really compute in one. I also noticed that it is full of broken symbolic links to /usr/share/help-langpack. I want just want to get rid of all the languages I don't need. How can I do this without getting all rm -r happy? I'm preferably looking for a way to do this without installing any new packages, as my main goal is to get rid of excess stuff on my machine. I'd like to find a way to do this preferably with dpkg, or apt.

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• Ubuntu installer doesn't see internal hard drive on DELL Vostro 3360

  - by valk

  I just received a new DELL Vostro 3360, it has Windows 7 preinstalled. When it comes to the partition window I can't see the hard drive there. I see only /dev/sda or /dev/sdb (either one and in both cases it's a usb drive from which I'm installing). I tried every imaginable BIOS configuration. Tried to change the SATA mode to ATA, DHCI and more. EDIT: I tried to install with standard Ubuntu 12.04 32 bit, and 11.10 64 bit official versions. No luck. I'll appreciate any suggestion.

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• Casing of COM-Interop registered components

  - by Marko Apfel

  During a refactoring i realized that renaming of components, which will be registered for COM-Interop, must be done carefully. In my case i changed the casing of XyzToolbar to XyzToolBar. At the developing machine everything works fine. But after installing the modified stuff at the production machine, the toolbar was not visible. Using regasm with the new assemblies helped. So this was the hint: we use WIX to build the setup. And during setup-development the heat-tool extracted the needed registry-keys. And in these keys still was the old name XyzToolbar. Refreshing the names corrected the problem.

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• Ubuntu Server 12.10 No GUI Headless Boot and/or Reboot

  - by Ubuntu User

  I have a headless server running the latest Ubuntu Server 12.10. It does not have any GUI at all. I am having the same issue that others are having which is that when you boot or reboot without a monitor (headless) the computer does not boot. The solution presented to others was to edit their xorg.conf file. But since I do not want a GUI installed (and therefore chose not to install a GUI after installing Ubuntu 12.10) I do not have a xorg.conf file in the /etc/X11/ directory. Ubuntu is a widely used distro of Linux, especially for server applications, I absolutely love it. Therefore, there has to be someone who solved this already?

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• How do i set CTRL not to show where the pointer is?

  - by Lewis Goddard

  After recently re-installing, i went through every System Setting and choose exactly how i wanted everthing to be. Except one thing. I'd never seen the Show Cursor on CTRL value before, and wanted to know what it was like. After a while it was simply annoying, whenever i paste of cut in chrome it takes the focus off of the text before i can press V. I have been through eveything in System Settings and can't find it again to disable it. How do i set CTRL not to pulse around the cursor? I will be happy with directions in System Settings, Ubuntu Tweak, or GConf.

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• Dual Monitor/Xinerama not working; cannot even detect on-board graphic card

  - by Steven H

  I have Kubuntu 12.04 and two identical VGA monitors. One I plugged via DVI-VGA adapter into the DVI port of my discrete AMD Radeon HD 6670, the other into the VGA port of my on-board graphic card (Radeon HD 6410D). After installing Kubuntu I got a black screen, so I booted with nomodeset and installed AMD's catalyst drivers but only the monitor plugged into the discrete graphic card worked. Using lspci I saw that the on-board graphics was not listed. Then I found in the BIOS settings the options "Surround View" and "Onboard Dual Link DVI" both disabled. After enabling both, the on-board graphics card shows up in lspci but in amdcccle, it only shows as [Uknown display]Uknown adapter. When I try to enable xinerama, I get a black screen after rebooting on both monitors. I tried several options and hints from the web but nothing worked so far. I also reinstalled the AMD drivers several times. What should I do?

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• How can I mount an AFS filesystem?

  - by Ben

  My current method is to mount the filesystem via SSH using Nautilus's graphical interface, but I would much prefer to be able to use some tool that mounts the AFS filesystem and gives me access to AFS-specific features (permissions, etc.). I've tried installing OpenAFS via apt-get, but so far the kernel module has refused to compile. Also, assuming I get OpenAFS installed, I'm not quite sure how to actually mount the remote filesystem to, say, /media/afs or some directory. I'm running Maverick with the 2.6.36-020636-generic kernel from http://kernel.ubuntu.com/~kernel-ppa/mainline/ Thanks for the help!

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• USB Logitech Rumble Pad 2 gamepad AND Thustmaster Universal Challenge Wheel not working in wine

  - by Rick Gionfriddo

  The controller is detected by the OS, and shows up in lsusb, and I can configure it with jstest-gtk, but Live For Speed in Wine doesn't recognize it as connected. Using Lubuntu 12.04, wine version 1.5.5. P.S. - It worked on a previous install of regular Ubuntu 12.04, using the same Wine version. Have tried installing/overriding/un-overriding various DLL's through winetricks to no avail, including xact and dinput8. Since it worked in a previous install of the same version, I figured it was a configuration error, and that I should ask here as opposed to put in a bug report on winehq. EDIT: I just used both controllers in TORCS... why do they work in native games, but not in wine?

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• Backup Windows files using Ubuntu - Unable to find Win partition

  - by Siva

  I am using a Dell laptop with Windows 7, all of a sudden the HDD is not recognized by Win7. I wanted to backup the data in Win, so I made a Ubuntu 12.04.1 Live CD, and booted from it. I am using Ubuntu without installing it in my laptop. My problem is that I don’t see the Windows partitions in Ubuntu 12.04.1, b’cos of which I am unable to backup the data. Any suggestion in this regard would be very helpful.. PS: I checked the SMART status of the HDD it says 2 Bad sectors, when I attempted an extended Self-Test, I get a Read Failed message, though the Short test goes through fine. Thank You, Siva

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• Graphics system failure

  - by anonymous coward

  I just upgraded two versions of Ubuntu to Oneiric after a recent set of updates broke Audacious 2.4.something in Maverick for me. When it was all finished my Asus Eee 1215N with the 1366x768 screen and the notoriously unsupported Nvidia Ion2 Optimus chipset was working on minimum compatibility fallbacks at 1024x768 resolution. So I did a little bit of reading (not enough) and tried deleting a couple parts of the graphics system to see if I could force a retry on the autodetection. The result: No graphical shell works now. Attempted so far: -reinstalling xorg/nouveau, didn't work. -installing bumblebee/nvidia-current, didn't work. -sudo dpkg-reconfigure -phigh -a, didn't work. I'd like to stress that this is otherwise a perfectly functional installation that I had spent some time setting up already (including a successful compile of Audacious 3.21 that was working with all the plugins). Is there a way for me to rebuild the graphics system from scratch or should I just give up, cry a little, backup data, wipe partition and reinstall with a USB drive?

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