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

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67
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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 ...
29
votes
8answers
10k 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.
15
votes
1answer
3k 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? ...
11
votes
3answers
60k 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 ...
10
votes
3answers
12k 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 ...
9
votes
3answers
27k 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 ...
9
votes
1answer
5k 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 ...
9
votes
1answer
7k 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. ...
9
votes
2answers
8k 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 ...
8
votes
6answers
20k 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 ...
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 ...
8
votes
2answers
3k 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 ...
7
votes
2answers
17k 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 ...
7
votes
3answers
3k 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 ...
7
votes
3answers
8k 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 ...
7
votes
2answers
35k 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
1answer
7k 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
1answer
6k 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
1answer
532 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
5answers
1k 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
1k views

Ubuntu PPA for collectd?

I'm looking for a semi-official PPA for recent versions of collectd (5.2+). There appear to be several possible matches, but I'm hoping to find the "right" one for production use which will keep ...
5
votes
1answer
260 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
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
17k 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
240 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
142 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
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 ...
4
votes
3answers
4k views

Unicode Composition in Sublime Text

I'm not able to use unicode composition (The ctrl+shift+u method) to enter unicode characters in Sublime Text 2 (v2.0.1, Build 2217) on Ubuntu 12.04 (Unity). To reproduce, just open up a tab and do ...
4
votes
3answers
9k 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
3answers
73 views

What is the standard ftp service of ubuntu server 12.04?

Stopped vsftpd, so it is not that. If i can still access via ftp (sftp in particular) how do i now what service is managing it?
4
votes
1answer
19k 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 ...
4
votes
4answers
1k 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
3answers
10k views

Running Cronjobs as per Local Time rather than Universal Time

On running dpkg-reconfigure tzdata in terminal and i get 2 different time on my machine Local time is now: Wed May 1 11:58:55 IST 2013. Universal Time is now: Wed May 1 06:28:55 UTC 2013. ...
4
votes
1answer
3k 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
2k views

Copying to system clipboard with vim not working under Ubuntu

I have been trying to figure out why when I use "*y or "*x in one terminal window running vim and "*p in another it doesn't paste what I had just copy or cut and just can't figure it out. I know ...
4
votes
3answers
2k views

Ubuntu 12.04 wireless connection affects wireless speed of other devices

I have an HP Pavilion G7-1310-US laptop running Ubuntu 12.04. I also have a wireless router at my home through which I connect my laptop and other devices to the Internet. Recently, I have ...
4
votes
3answers
2k 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
6k views

How to see whether my HDD is “advanced format”-capable and if yes, what to modify?

I have a WDC WD5001AALS-00L3B2-type hard disk drive: Western Digital Caviar Black, 500 GB SATA-2 with 32MiB cache. I have came across this Advanced Format, and I am not entirely sure whether my hard ...
4
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?
4
votes
2answers
850 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
2answers
2k 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
1k 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
1k views

dropboxd Syntax error: “)” unexpected

I am trying to install dropbox(x86_64 version) on Ubuntu 12.04 LTS, with this installation guide: ...
4
votes
2answers
2k views

How to control the height of the title bar in xfce?

How can I control the height of the title bar in xfce? I only have medium experience with linux desktops, I could change some settings in a text file or install a package, but an instruction that ...
4
votes
1answer
5k views

What is EXT4-fs error (device md0): ext4_mb_generate_buddy:739: group 10770, 0 clusters in bitmap, 32768?

On my Ubuntu Server 12.04 I got this errors (via dmesg): [ 1104.544121] EXT4-fs error (device md0): ext4_mb_generate_buddy:739: group 10771, 0 clusters in bitmap, 32768 in gd [ 1104.549227] EXT4-fs ...
4
votes
1answer
2k views

Convert GTK RecordMyDesktop OGV video for OpenShot editing

I make some screencasts with my laptop. The software that I use in Ubuntu is GTK RecordMyDesktop which gives me an OGV file. The quality is perfect and I am happy with it. For publishing or giving ...
4
votes
1answer
253 views

Simple Nginx config doesn't work

I am a developer with absolutely no server experience, this project I'm working on is my first foray into the world of servers. Basically I have to host an API online, on a Linode server running Nginx ...
4
votes
0answers
2k views

How do I setup my Ubuntu 12.04 PPTPD Server properly?

Ok so I have setup a PPTPD server and configured it appropriately. Here is my pptpd-options: name pptpd require-mschap-v2 require-mppe-128 ms-dns 8.8.8.8 ms-dns 8.8.4.4 proxyarp nodefaultroute ...