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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Touchscreen calibration - Click few inches on top of targets

I ma trying to calibrate touchscreen (xinput-calibrator) but I have to click few inches to the top of the targets to finish calibration. and clicking on exact location of targets doesn't activate ...
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32 views

How to enable multiarch in Ubuntu 12.04LTS?

When trying to enable multiarch in Ubuntu 12.04 in order to install skype gives "error: Unknown option" dpkg: error: unknown option --add-architecture Type dpkg --help for help about installing and ...
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3answers
42 views

How to rename multiple files like in windows

I have a direcotry of songs all of which are from the same singer. I just want to rename all the files of the directory as: SingerName(1) SingerName(2) SingerName(3) ... just like we coould do it ...
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1answer
22 views

Error When installing vim

I was trying to install vim using command 'sudo apt-get install vim' then it is showing error as 'Package 'vim' has no installation candidate.What is problem ?
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22 views

Accessing Virtual Mailboxes using Postifx, Dovecot, and Postgresql Ubuntu 12.04

Ok, so I'm running a server distro of Ubuntu, I think it's 12.04 (I know it's 12, forgot the subversion) with postfix as SMTP, dovecat for IMAP, and postgresql for my virtual mailbox databases. I ...
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11 views

Ubuntu Server upgrade 12.04 to 14.04: Didn't accept MySQL password

When I tried to upgrade my Linode server yesterday, the process asked me to choose between automatic or manual upgrade of the databases (I don't remember the exact terminology). I wanted to do ...
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1answer
27 views

I want to install an Nvidia graphic card in my laptop, a Lenovo Z570 [closed]

I want to install an Nvidia graphics card in my laptop, a Lenovo Z570. Is it possible?
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1answer
16 views

“Connection reset by peer” / Lubuntu dropping connections?

Linux version 3.2.0-67-generic (buildd@toyol) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #101-Ubuntu SMP Tue Jul 15 17:45:51 UTC 2014 I'm not sure if it's the place to ask this, but my best ...
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1answer
67 views

Flash works ugly

After updates last Friday (16.01.2015) I have started getting problems with all my browsers which use Adobe Flash player (Firefox, Midori etc). Videos from Youtube, Vimeo, etc. are playing "laggy" ...
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1answer
58 views

Problem installing upgrade 75 on 12.04

Since a recent minor version kernel upgrade attempt - 74 to 75 - I have been getting this set of errors using apt-get ... harveyp@harveyp:~$ sudo apt-get autoremove [sudo] password for harveyp: ...
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4 views

Ubuntu 12.10 problema “Verifique sua conexão com a internet” ao tentar instalar um programa [duplicate]

Ao tentar instalar algum programa via Central de Programas do Ubuntu, você se depara com a mensagem “Verifique sua conexão com a internet”, e estou sim conectada. Encontrei um artigo online e digitei ...
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36 views

Out of disk space with 25+ GB left in partition

First post here. Somehow I have managed to run out of space on my 12.04 Ubuntu partition even though I am only using 29GB/66.2GB. Please see the below screen shot that shows the gparted gui as well as ...
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7 views

xfce4-diskperf-plugin not showing disk activity

Never have been able to get the Disk Performance Monitor (xfce4-diskperf-plugin ver 2.3.0-2) to work on mythbuntu 12.04.5 amd64 mythbackend system. Any suggestions? Linux 3.13.0-44-generic ...
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21 views

curl: (7) couldn't connect to host in couchdb

I followed the commands right from this site: https://launchpad.net/~couchdb/+archive/ubuntu/stable in installing the CouchDB in Ubuntu 12.04. I am using a Chromebook with Ubuntu OS via crouton, so I ...
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1answer
24 views

Upgrading VIM 7.3 to latest release via apt-get

I'm currently using Ubuntu 12.04 and have Vim 7.3 installed and I want to update it to the latest version. I'm still new to how all these package manager stuff works, but I was wondering why can't I ...
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1answer
47 views

Trying to install Ubuntu 12.04, log to a black screen

I have the same problem as My computer boots to a black screen, what options do I have to fix it? and the solutions there did not help me fix it. I want to dual boot this to my Windows 8.1. I disabled ...
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1answer
35 views

12.04-Laptop freezes everytime I close my lid

my 12.04 Ubuntu laptop freezes every time I close my lid. I have recently installed Gnome 3.8 on my computer and removed it because I did not like it. It is probably caused because of that. And now, ...
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1answer
18 views

Data send via Squid proxy not functioning problem

I installed Squid proxy in one machine. I tried FTP transfer between another host. In the squid.conf file, http_port 3128, http_access local allow,FTP allow,.. I given. In Mozilla browser settings, ...
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1answer
21 views

How to disable nVIDIA in Ubuntu 12.04?

I am using dual OS (Windows 7 and Ubuntu 12.04 LTS) in my laptop Dell inspiron14. It has two VGA (Intel Graphics and nVIDIA) When I work in Windows 7, it using Intel Graphics and When I work in ...
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1answer
100 views

Firefox pdf-viewer don't work

After Firefox update from 34 to 35 via apt-get upgate; apt-get upgrade I can't open pdf's in Firefox. Download and read with evince works fine. How can i fix it? OS: Ubuntu 12.04 Firefox ...
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25 views

64-bit PC (AMD64) desktop CD installs 32-bit ubuntu

I have 64-bit CPU. I am trying to install 64-bit ubuntu 12.04.4 and I have chosen 64-bit PC (AMD64) desktop CD. But it still installs 32-bit Ubuntu OS. Can someone help me?
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51 views

accessing desktop files in ubuntu

Recently, i have broken my laptop and I was using both windows 7 and ubuntu 12.04 LTS. Then, I put hdd to a hdd box and plugged in my new laptop with usb. Although I can access all files in the ...
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1answer
32 views

I am getting this Error: while I am trying to install the Firmware for linux kernel Drivers

installArchives() failed: perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "en_IN.ISO8859-1" are supported and ...
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1answer
18 views

how to delete bookmark from LibreOffice?

In LibreOffice 4.3.5.2 nor in LibreOffice 3.5.7.2 I cannot remove a Bookmark. Please advise me, thanks!
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1answer
19 views

How do i set password expiry for all users?

I need to set the password expiry time for ALL users at once with the terminal, or at least by group. Is there any way to do this? Without using suspicious or sketchy software/sites? Thankyou!
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0answers
54 views

Replace '0ubuntu1~12.04' packages with '16ubuntu6'

I recently upgraded my server from Ubuntu 12.04 to 14.10. I had installed GCC 4.9 (4.9.2 apparently) before the upgrade and today I wanted to install gcc-4.9-multilib, but apt-get gave me: ...
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40 views

Dual Boot Ubuntu and Windows

I am thinking about modifying some old computers that I have have lying around, and would like both Ubuntu and Windows (either 7 or 10). I want to have both on a SSD, which I will buy. I need to know ...
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27 views

No sound on LTSP fat clients

after changing from thin to fat clients my machines won't play any sound, either through the speaker or headphones. The only device listed in sound settings for output is 'Dummy Output.' Anyone have ...
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7 views

Task Imexamine doesn't plot

I'm using IRAF, and need to use the task IMEXAMINE, but all tasks related to plotting are not working, all I can see are a lot of different letters and symbols on the console and it doesn't plot ...
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18 views

Installing webex on ubuntu 12.04

I am looking to install webex on my ubuntu 12.04 machine and I find that webex player is available only for windows and mac-os. Can someone please tell me the procedure to install it?
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1answer
22 views

System font is wrong

Ubuntu 14.04 LTS. After rebooting my machine following a hang by the Software Updater (updates appeared not to have been installed, but subsequently have been), the system font is appearing wrong ...
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1answer
48 views

Installation error when trying to install 14.10, 14.04 and 12.04 on my Dell XPS 15Z

Specifications: Laptop Dell XPS 15z Core i7-2640M CPU 2.8 HDD 750 GB 8 GB Ram I tried to install Ubuntu 14.10, 14.04 and 12.04 without luck, all of them just hang when I press any keyboard letter, ...
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2answers
63 views

How can I install XFCE and completely remove Unity

I use Ubuntu 12.04 (I have not upgraded to 14.04 for performance reasons) but I don't like Unity. How can I install XFCE as my default graphic system, and completely remove Unity?
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18 views

Building deb package gives fakeroot debian/rules clean gave error exit status 2

I am trying to create my first deb package of https://github.com/manojgudi/sandhi. After this command - dpkg-buildpackage -rfakeroot it stops with the following error - dpkg-shlibdeps: error: no ...
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1answer
24 views

Ubuntu 12.04 APT Proxy?

I'm using Ubuntu 12.04 on a password-protected proxy network. My web browser is configured and works, but I cannot install packages from apt or similar. Is there a way to configure apt to use my ...
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1answer
21 views

How to resolve my localhost in LAN under Ubuntu?

I have a website that running on localhost:8069 address. And I have network in network each and every system is Ubuntu 12.04 64bit Actually what can I do is My website that running on localhost:8069 ...
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17 views

Ubuntu 12.04 random screen freeze

I have am using the light version of Ubuntu (Xfce) and it freezes up. This has happened to three computers that I am running Ubuntu 12.04 on. What is the problem?
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46 views

12.04 to 14.04.1 update , space problem , boot to busybox results

I had Windows Vista 32 bit living on my hard drive, total partitions = 1 I downloaded a small program from the internet in 2012 and using this program in Windows Vista I installed Ubuntu 12.04 LTS ...
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17 views

Blank Screen after reinstalling xserver-xorg-input-all

I followed the instructions of Keyboard and mouse unresponsive after suspend to solve an equal problem with my notebook, but now after rebooting it the screen is blank. It looks like unity is coming ...
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0answers
22 views

Upgraded to 12.04.5 and I don't know the password it wants

I just upgraded my dell precision m6300 to Ubuntu 12.04.5 LTS (Precise Pangolin), and it is asking for a password which I don`t have, my old one does not work, can you help?
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3answers
116 views

unmet dependencies after apt-get dist-upgrade 12.04 to 14.04.1

I can't fix the problem that happened when I have upgraded from Ubuntu 12.04 to 14.04.1 (apt-get dist-upgrade). I'm becoming crazy. Copy from log: >Start-Date: 2014-12-17 18:39:01 ...
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1answer
26 views

How to get Spyder IDE to use Python 3 in Ububtu 12.04 LTS?

sudo apt-get install spyder3 says E: Unable to locate package spyder3 How can I install Spyder 3 on Ubunto 12.04 LTS? I need some Python 3 features.
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1answer
18 views

How to disable windows' contents to be moved on dragging, so that only a frame is draggend and window redrawed at drop?

I have xubuntu 12.04 xfce4. When moving windows the content is always moved. How can I acheive to just move a frame or border of the window and get the window content redrawed at drop of mous button?
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0answers
26 views

printer OKI B430dn worked on Ubuntu 12.04, doesn't on 14.04

In our office we have several pc's with Ubuntu and a network printer OKI B430dn. The double-sided option worked well with Ubuntu 12.04 driver (OKI B4300 footmatic/pxlmono) installed with CUPS (via ...
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1answer
21 views

Could not open “” Archive type not supported

I'm trying to install Team-Speak 3 on Ubuntu 12.04, i've done all instructions that I should of, but when I run "ts3client_runscript.sh" it says "Could not open "ts3client_runscript.sh" archive type ...
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1answer
18 views

Trying to update my laptop from 12.04 to 13.10 but failed to fetch

I'm a noob when it comes to Ubuntu because i usually have a guy that helps me with my needs. But he currently isn't available and i recently fixed this laptop with 2 years of no updates and no log in. ...
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0answers
10 views

Incomplete KBibTex Installation

I use Ubuntu 12.04 and I tried to install KBibTex with the Software-Center. After the installation I get the following Popup: If I press okay then the program starts as usual. But as soon as I ...
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47 views

Viber through Wine, crash on calling with unexpected error

12.04 Precise 32 bit system, currently have Viber running under Wine due to system architecture. Gotten it to install and messaging works as a charm although upon firing a call it quits with an ...
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0answers
14 views

heating up , sony vaio e-series vpceb45fg , [duplicate]

i have dual boot on sony vaio with windows 7 and ubuntu, fan runs continuously and systems heats up too much. please help / guide for procedure to avoid the problem. would love to keep using ubuntu. ...
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0answers
63 views

12.04 and 14.04 Ubuntu stuck at boot nomodeset failed

I have installed both Ubuntu 12.04 and 14.04(32 and 64 bit), and after grub loads, the screen either turns black if i don't select nomodeset, either it gets stuck at a certain point after exiting ...