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Questions tagged [12.04]

Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012, no longer supported (EOL) since 28th April 2017. Questions about unsupported versions are likely to be closed as off-topic.

Precise Pangolin was released on 26 April, 2012 and is supported until April 2017.

Code name: Precise Pangolin

The fourth stable and Long Term Support (LTS) release of Ubuntu. Unlike previous LTS versions, Canonical will provide support for five years due to popularity of LTS usage in businesses:

  • Two years of support will include hardware updates
  • Remaining three years will consist of maintenance upgrades.

Ubuntu Flavors available under 12.04 (questions on all are allowed):

The 12.04 Ubuntu variants - Mythbuntu, Ubuntu Studio, Xubuntu, Lubuntu - are not commercially supported by Canonical.

Ubuntu Editions available under 12.04 (questions on all are allowed):

Ubuntu releases

16569 questions
340
votes
7 answers

How to run the SSH server on a port other than 22

I have two computers behind the same router. Let's call them A and B. A can SSH to B in the following manner: ssh usr@ B can SSH to A by doing the same, but the external IP must be used. I have forwarded port 22 of my router…
Gary
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284
votes
10 answers

Is there another way to restart the sound system if pulseaudio/ALSA don't work?

I was listening to music, and my sound suddenly went dead in all my applications. I'm using Ubuntu 12.04, which uses pulseaudio, so I tried sudo /etc/init.d/pulseaudio restart, but nothing happened. According to lsof | grep pcm, nothing is using the…
Ricardo Altamirano
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271
votes
9 answers

tracker-store and tracker-miner-fs eating up my CPU on every startup

Whenever I start my laptop the process tracker-store and tracker-miner-fs eats up my CPU between 30-40% for 10-15 minutes. I am on ubuntu 12.04. What does these processes do? How to get rid of processes?
Gaurav Agarwal
  • 11,913
218
votes
6 answers

Why are hard links not allowed for directories?

I am using Ubuntu 12.04. When I try to create a hard link for any directory, it fails. I can create hard links for files inside file system boundary. I know the reason why we cannot create hardlinks for files beyond file system. I tried these…
Nischay
  • 3,771
202
votes
6 answers

How to recover/reset forgotten Gnome Keyring Password?

I am on Ubuntu and I have forgotten the password for my Gnome Keyring (yes, stupid me, I know). Any way I can get it back? I have already looked at this link, but it says it's not possible if my home directory is encrypted and unfortunately my home…
Nitin Venkatesh
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166
votes
6 answers

Permission denied when running .sh scripts

./geany_run_script.sh: 5: ./geany_run_script.sh: ./Area_circumference: Permission denied program exited with code: 126. This problem always occur when I try to execute my code. What might be the solution?
khwilo
  • 1,853
154
votes
9 answers

How do I remove Steam?

Anyone know of a way to remove Steam from Ubuntu 12.04? Looked around the net but could not find an straight forward solution. Thanks.
Hector Arzuaga Jr
  • 1,553
148
votes
14 answers

Cannot set LC_CTYPE to default locale: No such file or directory

I have the exact question as this but there's no solution. I tried but it doesn't work How do I fix my locale issue? $ locale locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No…
user390493
144
votes
13 answers

How to ungroup windows on Unity task switcher?

I'm playing with ubuntu 12.04, precise pangolin, and there's an issue I can't see how to solve. If I have three instances of, let's say, Firefox, in the switcher appears a single Firefox icon, I have to wait something like a second for it to open so…
opensas
  • 3,257
135
votes
1 answer

What's the easiest way to unrar a file on Ubuntu 12.04

I just realized I can't unrar .rar files on my Ubuntu machine!
Festus Tamakloe
  • 4,211
123
votes
7 answers

Why am I getting a "port 22: Connection refused" error?

I am getting a port 22: Connection refused error while connecting to a server. I have both the openssh client and server installed, and they are running. But still there is an error. Please help.
ankesh
  • 1,331
117
votes
10 answers

How can I create launcher icon for PhpStorm?

I have PhpStorm on my PC, to launch it I have to go to phpstorm/bin/ and launch phpstorm.sh, how can I pin this to launcher so that I dont have to go into folders every time?
Chelios
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116
votes
12 answers

"Failure to download extra data files" after installing ttf-mscorefonts-installer

After fresh install 12.04 I && updating apt and system restart, I always get this annoying message after reboot : Failure to download extra data files The following packages requested additional data downloads after package installation, but the…
armanke13
  • 1,263
110
votes
3 answers

Failed to load module "canberra-gtk-module"

Today I installed: Ubuntu 12.04 Oracle JDK 7 and 8 IntelliJ 11.1.4 I setup my JAVA_HOME path to point to JDK 7. When I run IntelliJ I get this message: Gtk-Message: Failed to load module "canberra-gtk-module" Is this a problem or can I over look…
user102044
108
votes
12 answers

How to find and change the screen DPI?

I am trying to find and then change the screen DPI (dots per inch) setting in 12.04 and 12.10. However, I can't seem to find any app or config file that can do this. Is there any app or conf file for this? Note that this is for 12.04+ so the…
Luis Alvarado
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