Ubuntu 12.04 (aka Precise Pangolin), is the sixteenth release(version) of Ubuntu from Canonical.

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31
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8answers
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Why Virtual Box won't give me option to create 64 bits guests?

My host is x64 bits Windows 8.1. I downloaded the latest Virtual Box (4.3) and I'm trying to create a VM with a 64 bits Ubuntu OS (ubuntu-12.04.3-desktop-amd64). When I go to New VM wizard, it ...
13
votes
5answers
2k views

How to whois new TLDs?

How can I look up new TLDs, such as .email, .guru, etc., using the whois command in linux? Running whois on a new TLD only gives the response: No whois server is known for this kind of object.
11
votes
1answer
1k views

How to tab completion when typing command in tmux?

Some commands (kill-session and kill-server) have the same prefix. When I type (prefix:kill-seTab), tmux won't give me any result. Is there a option to show wildmenu for auto-completion inside tmux? ...
8
votes
3answers
3k views

VirtualBox 4.1.20 (Windows 7 / Ubuntu 12.04 (64 bit)) copy/paste is broken

I can't make copy/paste between Windows and Virtual Ubuntu 12.04 to work with this configuration: Host: Windows 7 Professional with VirtualBox 4.1.20 Virt: Ubuntu 12.04 (64 bit) with all ...
7
votes
2answers
33k views

NVIDIA graphics driver in Ubuntu 12.04

So my overall goal is that I want to be able to code with CUDA enabled applications. However, upon many days of searching, using installation walkthroughs, and reinstalling countless times after ...
6
votes
5answers
10k views

How can I remove the ssh last login info?

Whenever I log into a server using ssh. The prompt gives me "last login" information. I was wondering where this information comes from. How can I remove this record so when someone else log into the ...
6
votes
2answers
9k views

How to install libfaac-dev?

I edited /etc/apt/source.list to have restricted and partner repository, but the results always: sudo apt-get install libfaac-dev .... .... E: Unable to locate package libfaac-dev The package is ...
6
votes
1answer
6k views

Set default terminal in Ubuntu 12.04

I've set the default terminal using sudo update-alternatives --config x-terminal-emulator but every time I press Control + Alt + T, it still opens up gnome-terminal. I would like to change it to ...
6
votes
2answers
5k views

Unable to update Google Chrome stable on Ubuntu LTS 12.04

When attempting to run sudo apt-get install google-chrome-stable, I'm presented with the following message The following packages have unmet dependencies: google-chrome-stable : Depends: lib32gcc1 ...
6
votes
2answers
4k views

Midnight Commander doesn't use .mc/ini file

I installed Midnight Commander and tried to change the colour scheme, but unfortunately it doesn't apply the ~/.mc/ini file. It's Midnight Commander 4.8.1, on Ubuntu 12.04. When I installed it, it ...
6
votes
3answers
3k views

How to best clone a running system to a new harddisk using rsync?

I have a system running as a server that has a failing harddrive. While all important data is on a RAID and backed up and all that, I don't have an image of the system itself. There is no specific ...
5
votes
5answers
937 views

install ubuntu on my windows 8 laptop

Is it possible to install ubuntu on my windows 8 laptop? dual boot is fine if it is doable This is my laptop environment. UPDATE: I ended with installing vmware player It works great for me. I ...
5
votes
2answers
7k views

Ctrl+Alt+T doesn't open a Terminal in Cinnamon 1.6

I just updated to the stable version of Cinnamon 1.6 in Ubuntu 12.04 x64, but I found a bug which just get's me out of my skin. The key combination CtrlAltT which is supposed to open up the Terminal ...
5
votes
1answer
213 views

How can I configure my PC to turn on when it receives power?

How to make a server turn on when it gets mains power? I have an electricity timer and when it turns on, I want the server to turn on. My BIOS doesn't support the wake up at time function so this is ...
5
votes
3answers
19k views

How do I reactivate my MDADM RAID5 array?

I've just moved house which involved dismantling my server and re-connecting it. Since doing so, one of my MDADM RAID5 arrays is appearing as inactive: root@mserver:/tmp# cat /proc/mdstat ...
5
votes
3answers
3k views

Changing ownership without the sudo command

I was setting up a Ubuntu Server and I wanted to allow the FTP client to access the /etc/ folder. So I used the chown command to allow my account to use it. However, this changed the ownership of sudo ...
5
votes
2answers
2k views

Yellow noise (small lines) when Chrome is playing video

When I try to play video on Google Chrome Version 24.0.1312.52. I see small yellow lines over a video. How can it be fixed? Thanks. UPD Ubuntu 12.04 LTS That problem appears only when I play videos ...
5
votes
5answers
15k views

How to use public-key ssh authentication

I have 2 ubuntu 12.04 (beta) servers (node1 and node2) and want to establish passwordless root access between them. Other users should not have access to other boxes. Also note that ssh default port ...
5
votes
1answer
161 views

Upgrade from 10.04 to 12.04: apt/aptitude debug information

I have an issue mentioned here: during update from 10.04 to 12.04 The workaround: apt-get -f install -o APT::Immediate-Configure=false python-minimal seems to work, but there are two problems with ...
5
votes
1answer
45 views

initializing network connection in Virtual Box

I have installed Win 7 in Virtual Box I don't know how add network connections in windows 7. My Win7 Network Configuration: My Host OS: Edit: My network details in Ubuntu and ...
5
votes
1answer
183 views

Can I “Speed Up” a VM to emulate the passage of time?

I'd like to put a VM into "fast forward" so that I can see several days (or weeks, or months) worth of logs and temp files build up and analyse them. Is that possible with virtualbox & ubuntu ...
5
votes
1answer
4k views

Ubuntu 12.04 booting in command line?

I just restarted my Ubuntu OS and now, for some reason, my Ubunut 12.04 boots in command line...without the GUI? I use Wubi and haven't really done anything out of the ordinary. I've managed to get ...
5
votes
2answers
1k views

How do I make Ubuntu start fbterm in the tty on startup?

When I was testing openSUSE about a week ago, I noticed that tty1 (yes, just tty1) had the openSUSE background. I want to do the same in Ubuntu. I found a way using fbsplash. I'm not too keen on that ...
4
votes
1answer
3k views

How to depend on an upstart job from an init script on Ubuntu 12.04

I am using Ubuntu 12.04 LTS and this system uses primarily upstart jobs. Unfortunately my system also depends on a manually compiled dbmail server, which only has a init script, but no upstart script. ...
4
votes
2answers
7k views

Automount ZFS zpool in Ubuntu 12.04

So, I've been told that ZFS for Linux has the ability to automatically mount a zpool on system startup in Ubuntu 12.04, but it doesn't work for me and I can't find any documentation on how to make it ...
4
votes
4answers
925 views

List of all the users that logged in using GUI or Command Line

I need to calculate the total time that a specific user stay logged in per day. And stop user using the computer more than the time allowed by shutting down the system. uptime cannot be used since ...
4
votes
1answer
2k views

VirtualBox Ubuntu VM doesn't automatically sync time with host even with Guest Additions installed

I'm running a Ubuntu VM with VirtualBox and I have both the dkms and virtualbox-guest-additions packages installed. I read in this answer that the system clock should sync with the host automatically ...
4
votes
1answer
2k views

command-not-found. Can I turn off verbose error reports?

I installed ubuntu server 12.04 on a linode server. Every time i execute some command not found, it raise a error like this: Sorry, command-not-found has crashed! Please file a bug report at: ...
4
votes
3answers
1k views

Ubuntu can't connect internet without vpn

I'm new to the Linux world. I set up Ubuntu 12.04 on my laptop. Everything had been fine before I installed and configured forticlient SSL VPN for my company's network. After this Ubuntu can't ...
4
votes
2answers
437 views

How can completely back up my linux computer so that it can be fully restored easily?

I want to be able to blindly back up my entire hard disk, so that I can blindly and automatically restore in case there is any problem. I am not interested in merely backing up data, but specifically ...
4
votes
1answer
1k views

Dropbox on NFS-mounted folder

I am using Dropbox on my Ubuntu box with the Dropbox folder being present on a drive mounted via an entry in /etc/fstab. I am encountering slight annoyance after each reboot. When I log in, I get ...
4
votes
1answer
3k views

Install public key via ssh-copy-id for other users

ssh-copy-id can be used to install your public key in a remote machine's authorized_keys. Could the same command be used to install other users' public keys, if you have sudo ability? Update: both ...
4
votes
1answer
848 views

Minimize boot time on headless ubuntu

I am trying to remove as much processes as possible to minimize the boot time on a beaglebone running ubuntu minimal. So i want to remove udev-fallback-graphics and all plymouth processes. I tried ...
4
votes
2answers
2k views

Windows 7 BSOD, safe mode working,

I need help getting my dualboot with Windows 7 and Ubuntu 12.04 to work, and since I'm not to experienced with computers I've been pretty dumb. Here's what I've done, quite shortend though: First ...
4
votes
1answer
271 views

How to pass Combining characters for custom keyboard layout in Ubuntu?

I was creating my custom keyboard layout(custom tamil keyboard layout) in Ubuntu 12.04 platform based on this post. I edited the file /usr/share/X11/xkb/symbols/in as specified in the post with my ...
3
votes
1answer
2k views

How to install workrave to prevent RSI on Ubuntu 12.04

I wanted to install an application to prevent repetitive strain injury. I tried workrave, but it does not install. I do not know how to compile the source. Is it possible to do something about it?
3
votes
1answer
5k views

Can't start MySQL5.5 on Ubuntu 12.04 - “dpkg: dependency problems”

This appears to be a common problem on 12.04. I've tried everthing in this thread including: sudo apt-get clean sudo apt-get autoclean sudo apt-get remove --purge mysql-client-5.5 ...
3
votes
1answer
13k views

Why is my crontab not running

I have this cron 38 * * * * /bin/bash -l -c 'cd /var/rails/site/releases/20120705144335 && script/rails runner -e qa '\''Play.load_lists'\''' I have this cron under the a different user so ...
3
votes
3answers
24k views

How to install GNOME 3.8 on my ubuntu 12.04?

I just saw UI of GNome 3.8 and it is awesome. I want to have it, but I don't want to disturb my current setup of ubuntu 12.04. Please tell me if I can install GNOME 3.8 UI on my ubuntu 12.04 without ...
3
votes
2answers
1k views

Ubuntu and Windows 8 shared partition gets corrupted

I have a dual boot (Ubuntu 12.04 and Windows 8) system. Both systems have access to an NTFS "DATA" partition which contains all my images, documents, music and some application data like Chrome and ...
3
votes
3answers
2k views

Where should I export an environment variable so that all combinations of bash/dash, interactive/non-interactive, login/non-login, will pick it up?

Here's the motivation for the question: I'm using Ubuntu 12.04 LTS 2 with the Unity desktop. In my .bashrc file, I append several directories to my PATH variable and define a few environment ...
3
votes
1answer
2k views

Errors when updating package list with apt-get on (K)ubuntu

I get some errors when trying to update the package list with sudo apt-get update command, specifically the error messages are as follows: W: GPG error: http://dl.google.com stable Release: The ...
3
votes
2answers
1k views

Ubuntu installation will not boot, throws error missing file: /dev/sdc1

I tried to install Ubuntu 12.04 and received the continuous message loop: udev[number]: timeout: killing '/sbin/blkid -o udev -p /dev/sdc' [number] I suspect this error happens due to a missing ...
3
votes
2answers
1k views

Panning screen on eeePc 701 with Ubuntu and Xfce

I am trying to get panning work for my Asus eeePc 701. I installed Xubuntu 12.04 on it (runs great), but it won't move the visible area of the screen around when moving the mouse to the screen ...
3
votes
1answer
3k views

Is it possible to upgrade Ubuntu 12.04 Beta 2 to Final without reinstalling?

If I install Ubuntu 12.04 Beta 2 now, is it possible to upgrade to Ubuntu 12.04 Final when it is released without reinstalling everything from a disc?
3
votes
1answer
3k views

Can't delete free space partition or merge with other partition

Few days ago i installed Ubuntu 12.04 LTS alongside my Windows 7 64 Bit. I installed Ubuntu through live CD installation, but instead of giving it a partition of 200 GB i gave Ubuntu more than a ...
3
votes
1answer
2k views

How to configure routes in Ubuntu in order to use network card just in local network

I have Ubuntu 12.04 with two network cards. Because of the security of my organization, I need to use one to connected it to the traffic within a network 10...*, and the other one to have internet ...
3
votes
1answer
454 views

Ubuntu server loses exactly 5 minutes once in a while

I noticed that my server, an Ubuntu server 12.04, was losing time. I figured the hardware clock was off or maybe dying due to a faulty CMOS battery. I installed NTP to ensure the drift would be ...
3
votes
1answer
5k views

Ubuntu 12.04 application shortcut on top panel

How to make application shortcuts in Ubuntu top panel? Which script need to edit? I don't like to drag and drop. I am using Ubuntu 12.04 with gnome-classic session.
3
votes
1answer
745 views

Ubuntu 12.04 boot degraded RAID

I've installed Ubuntu 12.04.1 in a new server and set up the 4 hard drives with 3 RAID 1 devices, the configuration is such that the first two drives have md0 (swap space) and md1 (/) with the third ...