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

16605 questions
155
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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
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Encrypting/Decrypting a single file in Ubuntu 12.04 LTS

I need to be able to encrypt/decrypt a single text file stored on my external HD in 12.04 LTS, preferably a GUI application, if any, or the command line otherwise. Thank you.
user75345
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38
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8 answers

Processing triggers for man-db

When running sudo aptitude upgrade, the console freezes for long after almost every package upgrade with a message "Processing triggers for man-db ...". What could be the problem and how can I fix it? Ubuntu version: 12.04 (both Server and…
slacktty
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31
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2 answers

How can I get f.lux working?

I've installed the fluxgui package from Killian Valkhof's PPA (https://launchpad.net/~kilian/+archive/f.lux) and started the applet by pressing alt+f2 and typing in fluxgui. The inidcator icon shows up and I've entered my latitude/longitude, but my…
27
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2 answers

Can I convert a dmg file to iso in terminal?

I use dmg2img to convert a dmg file. What package will convert a dmg 2 iso?
Louise Avon
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21
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1 answer

what is the difference between different 'lib' folder in ubuntu

In the root directory, we can find several 'lib' subfolder, for example, /lib, lib32, lib64, /usr/lib, /usr/lib32, /usr/local/lib. What are their differences?
tqjustc
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21
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3 answers

Creating a new user after install with encrypted home

Just trying to set up a secondary user after install on 12.04. My last system was 10.04 and it allowed me to create a new user with an encrypted home partition but when creating a new user on 12.04 there is no option to encrypt home partition. Do I…
user60876
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21
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3 answers

When I launch an app, the focus doesn't move to the opened app

Let's say I have Gthumb open, and then launch Nautilus from the Unity launcher (in 12.04). Why does it sometimes not focus the mouse on Nautilus, which I just launched? Instead, the focus remains on Gthumb while Nautilus opens in front of Gthumb…
Gonzoza
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19
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6 answers

Ubuntu 12.04 x64 - Very slow response and sluggishness

Recently updated to 12.04 (64-bit) on my AMD hex-core 4GB system, over the last few days I feel that the overall system is sluggish/laggy, for instance hitting the dash button, the dash opens but the recent activity of files/videos etc is incredibly…
Murphy1138
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17
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I continue to get this when trying to log into ubuntu one from the ubuntu desktop

Possible Duplicate: How to recover/reset forgotten Gnome Keyring Password? **Enter password to unlock your login keyring** The password that you use to log into your computer is no longer matches your log in keyring.
15
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Black Screen (but with cursor) after wake-up from suspend to RAM

I have a Lenovo Thinkpad X60. After upgrading to 12.04, first thing I did was get suspend to HDD back, because I don't use my battery a lot. So I did that. After a while (about a week, I upgraded on release, not beta), maybe a week or so, I started…
14
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6 answers

The volume "Filesystem Root" has only 533.9 MB disk space remaining

I have run into this problem two days ago. The OS warns me that root has limited disk space; however this should not be the case since I have 3 separate logical partitions for Ubuntu. Also it allows me to click the button examine, but I am not able…
Vesnog
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14
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2 answers

How do I prevent standard users from using the USB ports?

I'm admin for one of my college PC with 3 other normal users . If possible I want to restrict other 3 normal users from using USB. I'm using Ubuntu 12.04 .
Raja G
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13
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5 answers

"module load" command does not work

I'm trying to compile the "Global Climate Model" with the following commands. module unload pgi gcc module load gcc/4.6.3 pgi/11.8 When I execute them, the terminal replies with command not found. What am I doing wrong? What is the right way to do…
uzair mannan
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13
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2 answers

How do I know what files are executed when I open an application?

I want to know what happens behind the screen when I open some application. For example, when I open firefox, I want to know which files are read and which are executed. Is there any way to do this. Even opening firefox from terminal doesn't show…
nitishch
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