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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Computer boots directly to Windows after installing Ubuntu

I bought VAIO E14A16. I installed Ubuntu 12.04 along-side Windows 7(dual boot) from CD., When I reboot, it starts Windows 7 directly. If I press F11 it says no operating system found Where did I ...
3
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1answer
5k views

Getting openvpn working ubuntu

I am trying to set up a VPN over a few VMS that I have. I created an openvpn server on ubuntu 10.04 and am trying to configure the client using 12.04. I followed these instructions here ...
4
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2answers
353 views

How to perform a CPU/disk intensive operation without drastically affecting other processes?

I am running a server on Ubuntu 12.04. The operation I'm trying to perform is a git clone, as part of a new backup system I'm implementing. The source and destination are both local, so there is no ...
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2answers
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How to install dssp (secondary structure assignments) under 12.04?

I am trying to install dssp on ubuntu 12.04. I am new to ubuntu. I tried this sudo apt-get install dssp Please give suggestions.
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3answers
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Wifi not working on Acer Aspire One D270

brand new baby linux user here, never used Ubuntu or any other linux OS before, so be gentle and use short words! I installed Ubuntu 12.04 on my new Acer Aspire One D270-F61C/KF netbook (it's a ...
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5answers
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How to type all the math, stat, greek, equations EFFICIENTLY in libreoffice?

i am preparing a report related to physics which is full of greek, stat and calculus things, i know there is this question how to insert a greek symbol, but my problem is i cant fiddle with a drop ...
0
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0answers
11 views

installation of package ‘igraph’ had non-zero exit status

install.packages("igraph") Installing package(s) into ‘/usr/local/lib/R/site-library’ (as ‘lib’ is unspecified) --- Please select a CRAN mirror for use in this session --- Loading Tcl/Tk interface ... ...
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0answers
5 views

Juju local charm deploy using juju-gui problem

I have deployed a juju-gui charm and was going to use it for deploying charm from local repository. When I drag the zip file from Desktop it throws me an error. This is the snapshot of juju-gui ...
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2answers
9k views

Manually turn on CPU fan

My BIOS controls my fan speeds, and I want to keep it that way. I have a machine in my basement where it's normally pretty cool, and as long as the machine isn't under high load the fans don't need to ...
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0answers
5 views

nagios plugin to check cpu usage in my server

check_CPU Plug-In I need Plug-In for nagios3 to check CPU usage in Ubuntu. I don't found any Plug-In for that
2
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1answer
19 views

How to avoid apt-get -y dist-upgrade being interactive with waagent?

I have an Ubuntu 12.04.5 LTS created in Azure Cloud. I create it from a Jenkins powershell build that: 1. Create VM in Azure 2. Execute some remote SSH commands (among them apt-get dist-upgrade) 3. ...
0
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1answer
5k views

12.04 Changing the Keyboard Layout

I want to edit my keyboard layouts, because randomly? my keyboard layout will switch from 'English (Canada)' to 'English', completely screwing up how I type, and the only way I have found to fix it is ...
0
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1answer
5k views

dns configuration problem bind9

Following is my bind9 configuration the domain I want to configure is home.lan it is home network /etc/bind/named.conf.local is following zone "home.lan" IN { type master; file ...
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0answers
10 views

Having troubles accessing/uninstalling Dropbox

I've spent hours trying to get this to work. I just want to uninstall Dropbox so I can freshly install it again. Using the top answer on How do I uninstall Dropbox? , this is what shows up for me. ...
4
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1answer
4k views

How do I update to Ubuntu kernel 3.13.0 on 12.04 LTS without breaking the Nvidia graphics driver?

I'm running Ubuntu 12.04 "LTS" on a Lenovo W530 (Nvidia Optimus architecture) and updated the kernel to 3.13.0-32-generic as the version of the kernel I was running was going out of support, ...
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3answers
2k views

Change LXDE desktop context menu

I am currently running on LXDE, and I'm curious as to whether there is a way to change the context menu when right clicking the desktop. I'd like to replace Xterm with LXTerminal. Is there a config ...
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1answer
29 views

Upgrade vs dist-upgrade vs apt-get install linux-headers-generic

I am running Ubuntu Server 12.04 LTS I wanted to know the difference between the three commands here apt-get upgrade apt-get dist-upgrade apt-get install linux-headers-generic-xxx My goal is to ...
3
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2answers
5k views

Right mouse button doesnt work

I have installed Ubuntu 12.04.1 on my new Lenovo IdeaPad Y580 M772DGE. Unfortunately the right mouse button of the touchpad is not working correctly. Every mouse button click is interpreted as a left ...
6
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2answers
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“xrandr: Configure crtc 0 failed” when trying to change resolution on external monitor

I've been trying to set up an external monitor for a bit, finally got it mostly working except the resolution is off. My monitor's native res is 1600x900, which I finally got to show up in xrandr: ...
0
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2answers
5k views

How to change default signature font in thunderbird 13.0.1 used in ubuntu

How to change default signature font in Thunderbird 13.0.1 used in Ubuntu? I am able to setup my signature but with default fonts, I want those default font to be changed in my signature. also when ...
0
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0answers
5 views

Compatibility of Ubuntu 12.04 with HW RAID part number: L5-25413-17

I am setting up a Linux server with Ubuntu 12.04. I want to use HW RAID part number L5-25413-17. Has anyone successfully done this?
3
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2answers
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Wireless not working on desktop with Asus USB-N13 (B1) wireless adapter

I am trying to connect my desktop to a wireless network. I have purchased an ASUS USB-N13 B1 adapter. I have followed instructions for installing drivers and disabling conflicting drivers. I have ...
2
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5answers
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Huawei 3G modem disconnects after successful connection

I'm having a severe connection problem in Ubuntu 12.04 that renders the OS almost useless. I have a Huawei E352 3G modem. Ubuntu detects it as a mobile broadband connection without any problem. I ...
0
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1answer
20 views

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 ...
2
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8answers
5k views

No sound with Thunderbird 12.0.1

I have installed Ubuntu 12.04 and Thunderbird 12.0.1 from scratch but I hear no sound when new mail arrives. I have installed pulseaudio-esound-compat and esound-common but the problem persist. How ...
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2answers
4k views

Brightness options in Ubuntu 12.04 desktop missing

I am unable to change the brightness of my desktop screen using this path. System settings{top right corner of the screen)>Under Personal Brightness & lock.No option to change brightness is ...
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0answers
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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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0answers
10 views

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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0answers
13 views

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 ...
4
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2answers
11k views

How to install .debs in a folder using a single command?

Hello I'm using Ubuntu 12.04 Beta 2 and I've got the .debs of the softwares I had been using in Oneiric. I wanna install them all!! But the problem is I can't install them one by one [due to shortage ...
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6answers
5k views

Unable to drag brush tool in Photoshop CS5 in 12.04

I was able to use Photoshop CS5 perfectly on Ubuntu 11.10. After upgraded to 12.04 I've noticed that when I try to use brush tool in by dragging the left mouse button I cannot get continous effect on ...
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1answer
22 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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0answers
15 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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0answers
8 views

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 ...
5
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2answers
24k views

Where is eclipse platform plugin folder?

Today I installed Eclipse via sudo apt-get install eclipse-platform. Now I need to access the plugins folder and can't manage to find it anywhere. I don't have much experience using ubuntu, so I don't ...
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0answers
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Ubuntu 15.10 update-motd.d not affects the MOTD

I added a new file 80_own-motd to the /etc/update-motd.d directory on my Ubuntu 15.10 Server. #!/bin/sh echo ">>>>>>Welcome to my Ubuntu ...
2
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2answers
632 views

Toshiba Satellite L645D screen brightness does not work on Ubuntu 12.04

I've installed Ubuntu 12.04 on my Toshiba Satellite L645D and the screen brightness does not work. Any suggestions?
10
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3answers
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How to create a service on Ubuntu Upstart

I have a Java executable program that I can run by typing java -jar abc.jar in terminal. How can I run it as a service? I want to run it as a service like by typing service abc start.
1
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4answers
11k views

Does Kaspersky Antivirus 2012 work on ubuntu 12.10?

I'm new to linux and I have installed Ubuntu 12.10 on my laptop , I just wanted to know if it is possible to install kaspersky on Ubuntu. I know that we can install .exe files in ubuntu with wine. ...
2
votes
1answer
18k views

Ubuntu 12.10: Package libc6-dev-i386 is not available

I'm building 32 bit boost thread libraries on 32 bit Ubuntu 12.10. When building I get the error /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory I googled the problem ...
0
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0answers
31 views

“Ghost” Windows Appear Frequently on Screen

As shown in the picture below, I frequently get multiple "ghost" windows that appear throughout my screen (only one shown here). The only way to get rid of them is to reset my computer, but they ...
29
votes
3answers
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How can I install Qt 5.x on 12.04 LTS?

If you want to develop with QML 2.0 and Qt5, the base packages don't seem to exist in repository for 12.04. What PPA should I add? Is it a binary installer? a compile the toolkit yourself? Those ...
2
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1answer
4k views

Dual Screen will only mirror after 12.04 upgrade

I have been using Ubuntu with a dual screen for years now, after upgrading to 12.04 LTS i cannot get my dual screen working properly Graphics: 01:00.0 VGA compatible controller: Advanced Micro ...
2
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1answer
4k views

Create FTP users with limited access only to home directory Ubuntu 12.04

I'm having Ubuntu 12.04 server and I have installed VSFTPD service for FTP. I'm trying to create a FTP user who has access only to /var/www/ directory and all permissions for sub-directories. ...
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0answers
10 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 ...
3
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4answers
3k views

Unable to run Ubuntu 12.04 without USB flash drive

Yesterday I installed Ubuntu from a USB flash drive. Now, when I turn on my notebook, it displays only _. When insert the USB drive it's ok. I tried changing BIOS settings: some booting options, but ...
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1answer
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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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0answers
19 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 ...
0
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2answers
20 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 ...
1
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2answers
5k views

Diskless with Ubuntu 12.04

I'm trying to setup a new diskless solution with ubuntu 12.04 without any success. I followed this Diskless Ubuntu HowTo But the initramfs seems not to be able to mount my nfs share. On my server ...