Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Only use this tag if your question is version-specific.

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'Flexnet detected' I Can't Startup my PC

yesterday i had a problem and and ask a question here. with the answer i got i thought i solved the problem but the it was just temporarily solution. after every restart same problem occurs. i ...
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23 views

Encrypt a USB stick

I have a computer which has the os on a full disk encrypted hdd When I boot this computer using a livecd, I can see the encrypted hdd come up on the desktop. If I click that icon, I am asked for the ...
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1answer
10 views

Group permissions allow, but still get permission denied

I have a ext4 partition and I've set the group owner for all subdirectors to mygroup: # chgrp -R mygroup /mount/abc # chmod -R g+swrx mygroup /mount/abc My user is part of that group. Inside that ...
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/dev/mapper/cryptswap1 not loading then freezes at purple screen

Every time when I boot my computer, it says that /dev/mapper/cryptswap1 is not ready then freezes. it'll only work on the live version using a cd of Ubuntu 12.04 and i have tried other things like ...
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File transfer Ubuntu to Windows

I am trying to transfer a large amount of files from Ubuntu to Windows 7 (my music library, ~70gb). I put the files on an external HDD. From Ubuntu, I can see all the files. From windows, about ~1000 ...
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1answer
10 views

Error executing Xilinx ISE Design Suite .bin file(java xsetup)

I'm, trying to build Xilinx_Vivado_SDK_2014.1_0405_1_Lin64.bin on ubuntu-12.04 Got the below error: ..... ...
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16 views

DOSBox is unable to run c program

I am using ubuntu 12.04 LTS and I installed DOSBox emulator to run TC. DOSBox is working fine. but when I try to run program on the C drive than DOSBox is closed automatically. See the terminal ...
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25 views

Upgrade to Ubuntu 14.04 failed

I did an upgrade in place from 12.04. After the system reboots, I get a login screen. After I login, I get a dialogue box saying "system program problem detected do you want to report the problem ...
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1answer
18 views

I have this error that wont go away. And I don't get update anymore. error below. Thanks [duplicate]

E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_precise-security_universe_i18n_Translation-en, E:The package lists or ...
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1answer
12 views

Update Manager bug: Encountered a section with no Package: header

I tried to do an update to my system (12.04 LTA 64bit, on ACER aspire V5) got this: Could not initialize the package information An unresolvable problem occurred while initializing the ...
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6 views

Install libfribidi-bin on ubuntu 12.04

I need to install a package named libfribidi-bin. This package is available starting from 12.10, so I can't install it directly using the 12.04 packages repository. I'd like to download the package ...
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7 views

Change nobody account to /sbin/nologin?

OS: Ubuntu Server 12.04 LTS I'm in the process of locking down a web server computer and i noticed that the nobody user has /bin/sh. Is it safe to change it to /sbin/nologin or would that break ...
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14 views

How can I get old video drivers back?

No matter what I watch on hulu, or when I watch it, I see annoying flickering. It doesn't happen on youtube, southparkstudios, or various other websites with videos that I have used since since ...
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1answer
15 views

Run “sudo service udev reload” without root priviledges

I have a script that occasionally needs to run the command "service udev reload" but cannot as it needs root access. I don't want to stay logged in as root all the time, so I'm wondering if there is a ...
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1answer
11 views

PHPmyAdmin with MySQL on the other host

How can I install PHPmyAdmin with MySQL on the other node? I actually have OpenStack cloud deployed and want to have installed Apache and PHP on one node and MySQL on the other node. Now I want to ...
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15 views

Issue upgrading to 14.04 [duplicate]

Currently, my machine is running 12.04, despite the system being up-to-date, the update manager does not show 14.04 as a new upgrade that I can use (In the software sources window, I have checked the ...
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1answer
20 views

UFW rules don't work with docker

I have a 12.04.4 server, and I have enabled ufw, and have tried to block port 8080. However, it is still open. $ sudo ufw deny 8080 Rule added Rule added (v6) $ sudo ufw status numbered Status: ...
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1answer
17 views

Icons on top status/menu bar in gnome not following theme

On Ubuntu 12.04 LTS, I added an icon theme and activated it using Unity Tweaks. All icons everywhere have changed to my new theme, but the top bar hasn't changed. All icons are still from the ...
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MY HP 650's Bluetooth/Wifi has defied all solutions

Please help! All the solutions given to activate blue tooth and Wireless connections in my HP 650 running on Ubuntu 12.04 has not worked. I ve tried updates, codes to turn on, the rfkill options, etc. ...
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16 views

Issue on installing Ubuntu HP xw9300

I'm quite new to ubuntu. I installed it sucessfully on a Laptop, and a regular PC. I am now trying to install Ubuntu 12.04 on a hp xw9300 Workstation. Hardware specification can be found here I ...
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8 views

Gedit text editor is not opening properly in ubuntu 12.04

G edit text editor is not opening properly in Ubuntu 12.04. When i press Alt+tab it shows in the list but does not shows when i click it. It works fine for some time after that it doesn't work. I am ...
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1answer
14 views

Could someone please explain to me the difference between gconf, gconf-2 and gconf-editor?

I am really curios to learn about these 3 since I don't really understand how they work. I read somewhere that gconf-editor is basically the graphical representation of gconf however what is gconf-2 ...
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6 views

Wake-on-Lan on thin clients after power outage

I've got two thin clients and terminal server based on Ubuntu 12.04 LTS 64x. Also I've got the script, that wake clients, when I need it. But after power outage (I mean at all), Wake-On-LAN function ...
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12 views

Headphone jack not working in Ubuntu

I have a ASUS K55VM model with Windows7 dual boot with Ubuntu 12.04 LTS installed. Ever since the Ubuntu Installation my earphone/headphone jack is not working. Any Help on the topic is welcome. I ...
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17 views

12.04 Wireless is connected but is not functional after suspend

I have been wanting to move from Windows to Linux for a while. I've tried Ubuntu several times but ended up with Elementary OS Luna, which is built on Ubuntu 12.04. With a updated version a lot of ...
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1answer
16 views

Lubuntu 12.04 won't boot after install

I just installed Lubuntu 12.04 on my laptop (Compaq Presario V5000). It seemed to install fine, but after the install completed it stops booting when it gets to the Blue Lubuntu screen. I have the CD ...
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1answer
8 views

Hear the audio of bluetooth and logitech mic from the USB soundcard

I have Syba USB audio souncard (That contain two pins one for mic and one for speaker). I have load the module-loopback using the following command: pactl load-module module-loopback ...
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18 views

where is the Tomcat 7 home / lib directory?

When reading manuals / tutorials on setting up JDBC with Tomcat I frequently come across references to the "Tomcat's HOME\lib" directory. E.g.: Add the driver to your classpath, to your project, or ...
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21 views

Upgrade from 12.04 failing

I have a server built a few days ago with 12.04.4 LTS. I am trying to upgrade it to the latest version. What am I doing wrong? root@Ubuntu-server:~# lsb_release -a No LSB modules are available. ...
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2answers
55 views

How to solve LOCALE problem

I am facing a problem as asked in this question, I have tried the proposed solution but facing the same issue When I run locale, locale: Cannot set LC_CTYPE to default locale: No such file or ...
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14 views

Trouble installing Virtual box Ubuntu 12.10

I am trying to install virtual box but i keep getting the error. The following packages have unmet dependencies:virtualbox-4.3 : Depends: libqt4-opengl (>= 4:4.7.2) but it is not going to be ...
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1answer
9 views

Warning while running lammps-daily on ubuntu 12.04 lts

I get the following Warning while running lammps-daily on ubuntu 12.04 lts: WARNING: OMP_NUM_THREADS environment is not set. (../comm.cpp:100) using 1 OpenMP thread(s) per MPI task After this, ...
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24 views

Apache server virtual hosts not working

So I have updated to Ubuntu 14.04 LTS from 12.04. The problem is that my existing virtual hosts are not working after the upgrade. And yes I have tried sudo a2ensite test.dev but it says: ERROR: ...
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26 views

Network connection problems unresolved

After reading through several threads on here about network connection issues, and trying to solve it on my own, to no avail, I thought I'd post the problem here. I have an HP Chromebook 14 running ...
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1answer
13 views

after i turn my ATI graphics card off,when i suspend my session then i can't log in again[session]

I've Ubuntu 12.04 installed and I've turned graphics card off as it was producing a lot of heat. -Now when I suspend my session then I can't log in again.When I click the power light gets on but the ...
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1answer
67 views

Removing Ubuntu 14.04 and re-install 12.04?

I just upgraded to Ubuntu 14.04 LTS from 12.04 LTS and realised that it is simply not right for this particular computer (I do still plan to use 14.04 with my newer machines). I wish to completely ...
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9 views

How to fix a Lubuntu blank screen

Lubuntu 12.04 (English) installed completely without problems. I installed 12.04 (Arabic) instead, accepting all questions but I did not understand any arabic wording. I received a (working) blue ...
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12 views

Problem connecting Firebird in Ubuntu 12.04 LTS 64-bit

I installed Ubuntu 12.04 LTS 64-bit on a PC I built recently, I installed Firebird 2.5-Classic, then FlameRobin (open-source database administration tool for Firebird), These packages appeared to ...
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7 views

How to block text messages poping into actives ttya?

Due to that bug, I get text messages messing up my ttys, at every minute. Notice that that messages appear on any ttys, even before logging in; but only when the tty is active. The worst is when I am ...
2
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1answer
23 views

Installing TexLive 2013 with starlinq instructions

I'm following this guide on how to install TeX Live on Ubuntu 12.04 (and I'm trying to install TeX Live 2013, not 2012.). I want to install all the packages (except for the language support, I just ...
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18 views

problem with updates and software center

I first noticed the trying to open software center when i get the error 2014-04-23 13:50:03,240 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2014-04-23 13:50:03,258 - ...
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33 views

Auth_failure when connecting to wireless network in Ubuntu 14

I installed Ubuntu and I've been working on this for a while now and I really need some help bad. I setup a Realtek RTL8192E windows xp driver on ubuntu using ndiswrapper and configured ...
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3 views

How to create a Ubuntu 12.04 VM for Django deployment?

I am planning to deploy my Django application as a VM in an intranet environment for a company. I am using VirtualBox. Is there any official document on how to create Ubuntu 12.04 VM which can auto ...
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1answer
45 views

How to remove lubuntu-desktop from Ubuntu 14.04 LTS

I have installed lubuntu-desktop in my Ubuntu 14.04 LTS. Now I want to get pure Ubuntu. How can I revert back to Ubuntu only ? Note: I have searched in the google and found solutions for 12.04 / ...
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36 views

Help! Online upgrade from 12.04 to 14.04 stuck

I was trying to upgrade my Lenovo T500 laptop from Kubuntu 12.04 LTS to Kubuntu 14.04 LTS. Fired up the upgrade process, and finally after downloading a zillion packages the upgrade got going, only ...
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1answer
20 views

ubuntu shuts down for no reason

until 2 days ago Ubuntu 12.04 was going simply great, then the update manager prompt for some updates and I continued as usual. After that I continue to use the computer for few more hours then I ...
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7 views

re-install/ restoration how to? how to return to stock or downgrade [duplicate]

anyone know how to restore ubuntu to stock from terminal? or how to downgrade to 12.04, i installed 14.04 and nothing works. at all, exept for lynx on vt2. vt1 doesnt work for some reason. none of the ...
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9 views

Firebird Classic, inetd and occasional refused connection

I have a newly installed Ubuntu 12.04 64Bit Server with Firebird Classic 2.5 installed using the Ubuntu repositories. inetd was automatically installed. We have a custom app accessing the database ...
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39 views

Removed current running linux-image [on hold]

I had the problem of a full /boot. So i decided to remove old linux-images. However in the process I accidentally removed the current in-use image. Which would be linux-image-3.2.0-53-generic on ...
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63 views

Is it posible to upgrade to Ubuntu 14.04 from Ubuntu 10.04?

I have 2 PCs (works as a LAMP servers) with 10.04.4 LTS 12.04.2 LTS And I want to upgrade to the last LTS (14.04). I don't want to lose my data (unfortunately I don't have space to copy the ...