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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Ubuntu 12.04 and 14.04 both freeze except you can still use keyboard and mouse

After a period of time which seems to be the same every time (although i have not timed it) everything on the desktop freezes, except for the keyboard and mouse. I tried disabling everything in the ...
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auto switching headphones and TV suond

I use Ubuntu 12.04.05 LTS and I have a problem. If I plug my headphones in my pc, the sound doesn't switch automatically from TV to headphones. I have to go Settings > Sound and change manually the ...
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SAYTIME not starting up on boot

OS : Ubuntu 12.04 PC: Compaq CQ40 Background of issue: I have installed a speaking clock command line application "SAYTIME" .Its working when I execute padsp saytime -r 3600 -f %P%k%M. So I decided ...
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12 views

Shutdown button is not working as expected in Ubuntu 12.04 LTS

Generally when we click shutdown from top right menu, it gives option for restarting or shutting down. But in my case it simply logs off the user without any prompt. What could be the issue ?
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How do I get network connection and WiFi working on Dell Inspiron 1520 and Ubuntu 12.04?

When I booted from the USB key, it popped up a notification for additional drivers, and then it installed an ethernet driver so at least the ethernet cable worked. After I installed and booted from ...
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Ubuntu 12.04 can't see CentOS 7 LVM?

My desktop was tri-booting between Ubuntu 2.04, CentOS 6, and Windows. I installed CentOS 7 in the space that CentOS 6 used, but update-grub doesn't result in the new CentOS showing up. I can only ...
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9 views

Ubuntu server 12.04 kernel panic

I am trying to figure out the reason for the Ubuntu 12.04.4 server freezing. OS and Kernel: Ubuntu 12.04.4 LTS (GNU/Linux 3.11.0-15-generic x86_64) This is a vanilla installation without any ...
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16 views

Ubuntu changed my passwords (login & KWallet) itself

Today I was unable to log in to my Ubuntu: password was changed itself (!). Yesterday (7 Feb 16) all worked OK, last password change was 20 Feb 15. I am the only user of PC and reseted the password ...
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2answers
17 views

Wifi connections not showing in menu (ubuntu 12.04)

Not getting the option to select or even able the wireless connections in networking tab. Have also tried to restart the system couple of times and still not working. Following are the output on ...
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22 views

12.04 soon to not be supported anymore

when 12.04 lts is no longer supported (April I think?), ok that means no more updates. But will the software repositories still be here? I hope so, because I tried to change to 14.04, but my told me ...
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11 views

nVidia driver messed up Blender

I bought a new nVidia card for Blender. Simply to use it as a render node (I think it is called that if you don't use it for display only to render the scene). I downloaded the appropriate .run file ...
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1answer
22 views

Why is the “Add” VPN button grey?

I wanna click on the "Add" button but I can't :l Pleases help!
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45 views

How safe is it to use “sudo -i”

I have few applications which I need to run on root permission. Am pretty new to Ubuntu, the kind of shortcut I do to gain root access was that I open a new terminal with sudo -i and will launch my ...
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13 views

Removed package i should probably not have done (libffi6)

So i got a conflict in packages that required different versions of libffi6 package. So i removed this package and tried to reinstall it. Probably should not have done that is a lot of programs where ...
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14 views

Upgrade 12.04 -> 14.04 : libc6

I just tried to upgrade a 12.04.5 server to 14.04.1 and got the following error message during the upgrade of the libc6-bin package: (Lese Datenbank ... 408104 Dateien und Verzeichnisse sind ...
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1answer
24 views

Cleaning the harddrive

I am using a headless Ubuntu 12.04.5 LTS (GNU/Linux 2.6.32-042stab111.12 i686). I recently got a message that the harddisk was full. Is there a way to download all file paths with sizes and to ...
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14 views

Ubuntu 12.04 not booting [duplicate]

Problem:- When i switch on my laptop it automatically goes to grub menu without using shift. Even after choosing linux kernel it is not booting and just end up showing the following message mount: ...
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13 views

Network gnome-control-center crashes

i have this issue on my Ubuntu 12.04.5 LTS when i open the system settings (gnome-control-center) > Network the window just disappears, launching it from terminal it gives this : ...
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1answer
18 views

Required library libflowmanager not found

while compiling ubuntu doesn't found libflowmanager library.please provide the apt command for libflowmanager library. Error: configure: error: Required library libflowmanager not found; use LDFLAGS ...
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88 views

Firefox 44 Crashing on certain videos

I'm running into an issue where firefox keeps crashing when I run across certain videos. This happens particularly when I scroll through facebook and run across an embedded html5 video. The response ...
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1answer
15 views

How to install libc6 2.17 on 12.04

I am attempting to install the video editor Lightworks using dpkg. When I try, it says Errors occured when installing. I used the graphical package installer instead, and it said that the dependency ...
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1answer
35 views

name of a ppa for ppa-purge

I know that exists the same question, but I think that in that question there isn't the answer. I have to purge some ppas, and I'm trying to use ppa-purge with this command: sudo ppa-purge ...
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11 views

Ubuntu 12.04 not recognizing keyboard backlight

I'm running Linux on an Apple Powerbook G4 which has keyboard backlight. But when I try to enable it via the key on the keyboard it doesn't work. I also dug around leds folder but nothing shows the ...
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15 views

how-to-install-mysql-5-6 on Ubuntu 12.04

First thing first, I know this question has been asked so many times, I checked all the questions answer before writing here. I want to know how to install mysql 5.6 on Ubuntu 12.04. As I want to ...
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10 views

After motherboard replacement, how do I fix my wired network?

Recently the motherboard and hard drives were replaced from my HP z820 workstation. Ubuntu 12.04 is installed on a seperate (not replaced) ssd drive. Before this replacement the wired internet just ...
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1answer
25 views

Ubuntu Login Loop After Google Authenticator installation

My Ubuntu 14.04 LTS Desktop was working fine until I decided to play around with Google Two Factor Authentication for Linux. I followed instructions and setup the google-authenticator. When I ...
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12 views

Edit wired connections: IPv4 settings: Manual: Routes button

There is a "Routes" button in my Ubuntu 12.04LTS here: Edit Connections>Wired>Edit>Ipv4 Settings>Manual>Routes button Inside the Routes button I can add IP address, Netmask, Gateway, etc. I wonder ...
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1answer
19 views

php -v showing 5.4 and phpinfo show 5.6

I am trying to install laravel that need > 5.5php version. My current php is of version 5.6, but composer detect version 5.4 and gives error. How to remove php 5.4 or make the correct version for ...
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1answer
28 views

udev rule for android not working with go-mtpfs

On Ubuntu 12.04, my rule fires a script called motoe.sh when a Motorola Moto E is connected to the machine USB port. My custom rule does not work. The rule is: ACTION=="add", SUBSYSTEMS=="usb", ...
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11 views

There is a looping problem after upgrading ubuntu 12.04 to 14.04 [closed]

I tried to solve this problem with the help of given solution in forum but problem not resolve plz help me to resolve this issue. I am new user
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46 views

Unable to download video from youku.com using youtube-dl [duplicate]

When I try to download videos from youku.com using youtube-dl I get the following message [youku] XODE0MzQ4OTg0: Downloading JSON metadata 1 ERROR: Unable to download JSON metadata: [Errno 104] ...
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15 views

USB key board & USB mouse idle time in linux

How to get the Idle time in Linux(ex: ubuntu) when using USB keyboard and USB mouse, i don't want to use 'XOpenDisplay' because it uses 'X11/Xlib.h' file which is not there as a default when we ...
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1answer
29 views

Round cube login connection to storage server failed

I have multiple domains working on my mail server, and all are working normally, I configured new mail domain "newdomain.ae" normally on mysql mail db, created new user, inbox was created on server, ...
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1answer
18 views

Ubuntu 12.04 ODBC connection to MySQL

I have task - write CEL events into mysql. I wrote next setting: odbcinst.ini => [MySQL] Description = ODBC for MySQL Driver = /usr/lib/i386-linux-gnu/odbc/libmyodbc.so Setup = ...
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21 views

How to install A Ubuntu Terminal Server to run Windows 7 Clients

I am looking into installing a Linux Terminal Server which could use to boot up thin clients into windows 7. Is it possible? If it is how do I go by doing that? Thank you for your valuable inputs. ...
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23 views

BUG: unable to handle kernel paging request at

I am trying to write small char driver that just prints buffer in dmesg Except printing buffer in kernel level, everything is working fine. But while printing the buffer, application program is ...
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1answer
20 views

copy local file to remote server in ubuntu terminal

Jeez, where's Windows drag and drop when you need it. How can I achieve this simple task? In Ubuntu Terminal I have the prompt: metheuser@metheuser-HP-Pavilion-g6:~$ I make it: ...
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1answer
14 views

How to uninstall samba on ubuntu 12.04?

I was enabling file sharing using this question How to transfer files between Ubuntu and Windows? and something went wrong so I couldn't click on dialog buttons to install some service after samba. ...
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9 views

How to install new LINUX version along with LINUX FIRMWARES in Ubuntu 12.04? [duplicate]

I am facing a peculiar position after reinstalling Ubuntu 12.04 LTS. I have a separate / and /home folder. After running the command uname -r, i see that the linux running on my laptop has version ...
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1answer
68 views

PPAs cannot be added on Ubuntu 12.04

Whenever I try to do something like sudo add-apt-repository ... It gives me the following error message: File "/usr/bin/add-apt-repository", line 37 print _("The %s named '%s' has no PPA named ...
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1answer
54 views

Check stability of the internet connection [closed]

I am using Ubuntu 12.04 and want to find out if my system or the router or the provider is causing the problem, why I loose internet connection once or twice an hour. The computer is connected via ...
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26 views

Synaptic error after attemtping upgrade from 12.04 to 14.04 on cdrom

sudo snaptic gives the following error: E: The value 'all' is invalid for APT::Default-Release as such a release is not available in the sources E: _cache->open() failed, please report. ...
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13 views

Caps lock makes volume go crazy on ubuntu 12.04

I have a peculiar problem. Whenever I press the caps lock button on my ubuntu 12.04 laptop, my volume goes up and down uncontrollably. It stops after a couple of seconds, but it is highly annoying ...
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489 views

Updating java version to 8 on ubuntu

I would like to update my java version (UPDATE, not install) on my ubuntu 12.04 computer. I currently have java 7.x, and I would like to update it to the newest version possible (8.0 at least) without ...
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23 views

When I download the Software Center in Ubuntu 12.04 Unity on my Chrome book, I can't do anything

When I install the Software Center it shows me a window and when I click "ok" it doesn't work. What can I do? I'm using Ubuntu 12.04. I have tried using sudo apt-get install software-center but it ...
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15 views

Can't logout (system is running in low graphics mode)

I have I big problem: All started with the installation and then uninstallation of KDE desktop einv. on my ubuntu 12.04. Now If you would logout, I get the famous screen with system is running in low ...
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14 views

How to launch the FCEUX emulator that I just manually installed?

These are the steps that i did to install the latest version of FCEUX emulator (followed exactly from this forum - http://ubuntuforums.org/showthread.php?t=971455) :- Install necessary dependencies ...
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24 views

How to pick the right Ubuntu version for ASrock Rack C2750D4I

could you tell me what is the best option for Ubuntu to install on AsRock Rack C2750D4I, as they say in the speck 12.04/12.10 x64 Bit, I've already run to the following conclusions: It must be 64 ...
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23 views

Virtualize Windows on Ubuntu server no GUI

I've been administering a remote Ubuntu 12.04 server for some time and loving it. Sadly some of the applications I would like to run hate WINE and pretty much require a Windows installation. I don't ...
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52 views

Sticky Note use in Ubuntu from Win 7

I have used Sticky Note in Windows 7 till now. Now I changed Win 7 to Ubuntu. I had taken backup of all Sticky Notes from Windows 7 as I found some solution for How to take backup. I have also ...