Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Will go End Of Life (EOL) April 2017. Only use this tag if your question is version-specific.

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Mail Server send spams

My mail server got black-listed on Barracuda for some reason, how to make sure if my mail server is sending spams or if some script on it is sending bulk mails/spamming ?
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280 views

Wine application in system tray

Using Ubuntu 12.04 with Unity. Somehow I managed to minimize one Wine application into system tray from where it cannot be restored - it does not respond neither to double-click nor to right-click nor ...
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36 views

Ubuntu 12.04 graphical interface is gone

I was trying to set up my build environment for beagleboneblack.I was following standard instructions from this site https://source.android.com/source/initializing.html I was installing ...
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16 views

How can I transfer music files from Rythymbox to my mp3 player (gpx)

How can I sync my music on Rhythmbox to transfer to my mp3 player? gpx to be specific..
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195 views

preseed file and installation script

I am using a preseed file to auto install ubuntu 12.04. I create a normal user account (able to use sudo), I skip the creation of a root account. At the end of the file I have put this (seen it from ...
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34 views

Ubuntu 12.04 live USB just wiped my main install's /home for no apparent reason

As the title says, I've been trying to reinstall Ubuntu (it died and boot repair won't work), and while I'm checking things on my (very out of date, but it can't be helped as my internet's too slow to ...
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81 views

How to have two headphones (one usb, one not) play sound at the same time?

I've tried installing pulseaudio but it doesn't let me do two headphones at once. Thanks.
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46 views

I am not able to install ubuntu using usb?

I downloaded ubuntu 12.04.5 LTS iso file from torrent( size 700+ MB)and copied it in the usb. Then I made my usb drive bootable by running command line instructions (since my GUI is not working) from ...
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295 views

HP 240 G3 Laptop touchpad problem

We are facing problem with hp 240 G3 laptop. Touchpad is not working properly. Needs to touch more surface on touchpad for work. on Ubuntu 12.04 Desktop or 14.04 both laptops.
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503 views

How to PXE network boot a Ubuntu Server 12.04 using HTTP

I have a task to PXE install Ubuntu servers by HTTP, so I find the tutor in PXEInstallServer and KickstartCompatibility and set my PXE server as it said. Then I open a test client and which can get a ...
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296 views

Ubuntu 12.04 - Integrated Webcam not found with lsusb but it shows up in usb-devices?

This is an Alienware Area-51 m15x laptop, pre-2009 so not a Dell product. The integrated webcam worked under Ubuntu 10.x and I actually had it working briefly and could see my face in guvcview after ...
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70 views

using ibus-table for latex

I have ibus in my ubuntu 12.04 and I installed ibus-talble for latex. I don't know how to make use of the package. The latex input method is not shown in ibus preferences under input methods... Please ...
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69 views

Distribution Upgrade CRASH/FREEZE

Here's my situation: just got a new computer with Ubuntu 12.04. It suggested an upgrade to 14.04. I ran the upgrade and it already crashed once, so I had to restore system to its original state. Now, ...
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398 views

Why does libapache2-mod-php5 get removed whenever I upgrade apache2?

I hope someone can help me figure out what is going on with my apache upgrades. For years, whenever I upgrade apache2, it tries to install apache2-mpm-itk even though I use the prefork module ...
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170 views

Network problems setting up an Ubuntu server in VirtualBox

Before I get into my problem I would like to start with what I am trying to accomplish in case my approach is non-optimal. I want to setup a virtual environment that mirrors our production ...
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214 views

Ubuntu 12.04 LTS scripts in /if-up.d not executed

Since this morning have been trying to achieve something: System: Ubuntu 12.04 LTS, Network-Manager is not installed Goal: Every time, the eth0 network interface is started (if-up.d) we want to ...
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386 views

How do we implement requirements of password policy?

This question might look similar but I could not find a solution to this which covers all the below requirements of the policy, Hence please help me: - Incorrect pass lockout (after 3 incorrect ...
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159 views

Easy Nvidia to Nouveau switching

Recently installed the latest NVidia drivers (340), and the tearing, even while scrolling is unworkable. So, after trying various fixes with no avail, Iv'e decided to try and swicth back and forth ...
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612 views

How do I load a module that has no signature in ubuntu 12.04?

I've got a custom module for a Mightex camera that has been tested for ubuntu 12.04 which I'm using. I have installed it however something is not working. I think it has to do with this dmesg output: ...
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1k views

New Ubuntu 14.04 install - can't connect to wifi

There are dozens of wifi problem here on askubuntu; I've tried the answers to several of them and nothing worked. The symptom is that my Wifi network does appear in the network menu, but when I try ...
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75 views

Running 3 monitors on Ubuntu 12.04

I would like to run 3 monitors on Ubuntu 12.04. I have NVIDIA Quadro 5000 which is able to support 2 monitors. I only have an additional PCI slot so my option are limited for a second graphics card. I ...
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310 views

Ubuntu 12.04: Installing MonoDevelop “broken packages”/“unmet dependencies” error

I am very new to Linux, so please forgive me if the answer to my question is obvious. Since I am running an ARM device and can't install wine, I am trying to install Mono/Develop. The problem is, ...
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199 views

update-grub fails on lvm cryptoroot

Disclaimer: I'm running this server now but I did NOT install it. I have two disks connected to an Intel Hardware Raid Controller running in RAID1. On top of it there is a fully encrypted 12.04 ...
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366 views

Chromium build fails due to `out of memory` allocation

I am trying to build chromium content_shell. But it fails at the last linking stage because of out of memory. Error Log: [1/1] LINK content_shell ... /usr/bin/ld: out of memory allocating ...
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96 views

Unable to find /usr/bin

I am running Ubuntu 12.04 on my machine. Somehow when I tried to boot in next time, it stops me at the terminal window itself. I'm absolutely not able to do anything as it says, /usr/bin/python : No ...
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251 views

Cannot shutdown (CLI/GUI)

I have problem with shutting down my laptop (Asus UX42VD) on Ubuntu 12.04. And I have no idea what could cause this problem. Now after clicking on buttons Restart or Shut down, it just logs me off. ...
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2k views

fresh install, python-software-properties unmet dependencies

attention: This might be more a question for "gis.stackexchange" but it is Ubuntu-related Geonode 2.0 is available for Ubuntu 12.04 but not for Ubuntu 14.04. According to the docs it should be ...
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204 views

Why doesn't lsof show localhost TCP connections in 14.04?

I have two servers running 12.04.4 and 14.04.1 respectively. Both have nginx (port 80) and a Java process (port 8080). As expected, the lsof output for the Java process (sudo lsof -nP -p $PID) on ...
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110 views

Highly distorted sound on stereo but headphone gives perfect output

I am struggling with the audio output of my laptop that's running 12.04 LTS. It was all fine till yesterday. I played the spotify in the web player and abruptly the sound just reduced and I couldnt ...
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750 views

Completing a “minimal virtual machine” install with a kickstart file

I have built an unattended setup ISO for Ubuntu 12.04.4 using instructions provided on the community wiki, however, I'm having a hard time with two specific pieces of the install: The installer ...
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238 views

Which Ubuntu version is suitatable for Gazebo and Ros Hydro Simulator?

I am working on server with 64 bit,8Gb RAM,500Gb HD and nVidia TESLA C2050. I have to use Gazebo and Ros Hydro Simulator for simulating purpose. If anyone has work experience and idea in this ...
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108 views

PXE boot issue with Edubuntu 12.04

I have an Edubuntu server that has been used to boot both thin clients and fat clients for quite some time. Now, we're trying to use HP 8200s with Allied Telesis AT2711 100Base-FX NICs, and things ...
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389 views

AMQP connection closed when nova cells are enabled on Devstack

I have set up Devstack on 3 servers having IPs 10.10.1.51,10.10.1.53 and 10.10.1.54. I configured the devstack on server 53(IP 10.10.1.53) as the parent/api cell and configured the openstack on 51 and ...
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151 views

Unable to boot after update

After a update, Ubuntu won't boot anymore and gives: error: could not read file. If I'm fast enough to press a button to continue, I get Kernel panic - not syncing: VFS: Unable to mount root fs on ...
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167 views

Boot to tty2 on start

On Ubuntu 12.04 I had a server with no GDM. I want to boot to tty2 on start up. What would I put into rc.local? Note* I do not have grub tty1: start on stopped rc RUNLEVEL=[2345] and ( ...
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95 views

Citrix and firefox in ubuntu 12.04 window disappears too fast!

Running 12.04 and got citrix receiver installed OK (I think) but when I go to launch an .ica and I have set firefox to use wfica to handle these files, a window pops up and then disappears super ...
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2k views

Hangs On or After fsck from util-linux 2.20.1

I have a box running at DigitalOcean with Ubuntu 12.04 It's rare that my system will boot or takes forever - normally it just hangs / chokes. A reboot from a remote shell used to be pretty quick and ...
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897 views

Modprobe: 'Invalid nodule format', yet works after insmod

I am having a problem with Ubuntu 12.04 not properly recognising a custom made kernel module. The kernel module is a spoof of raw1394. So that programs that look for the presence of a raw1394 module ...
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288 views

12.04: Kernel panic - not syncing: Attemped to kill the idle task!

My parents got this error on their machine, so I'm not sure what triggered it. My dad says it just happens randomly. It apparently happens every couple of days, but this is the first time I've been ...
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0answers
123 views

Bluetooth problem on Asus U32 with Ubuntu 14.04

I'm running Ubuntu 14.04 on a Asus U32 alongside Windows 8. Recently I've upgraded from 12.04 to 14.04 and since then the Bluetooth is not working anymore. Whenever I try to turn it on from the ...
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227 views

How can i get yammer notification alert in ubuntu system

I am using yammer in my system with ubuntu 12.04 version. I want notification alert if any message/comment received. Like we have in skype. Can any one know it.
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778 views

No space left on device - Ubuntu 12.04 Server on VMware Workstation

I have Ubuntu 12.04 Server installed and inside VMWare WorkStation 10 and have much space left. Even when I try to create a folder it says: - No space left on device I have much space allocated ...
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110 views

OEM Install in XenServer guest

I am using a XenServer 6.2 pool with many Windows 2008/2012 servers as guests, which I have used SysPrep with to create templates to deploy new servers in minutes. Very cool. I now need to achieve ...
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0answers
96 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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422 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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819 views

How to block the specific websites using proxy server?

I need to block the social networking sites like facebook, twitter, etc within my office network. I tried some proxy server and enabled settings in browser like giving IP and port number. It works but ...
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470 views

Ubuntu upgrade to 14.04 doesn't show after interrupted attempt

I tried to update from Ubuntu 12.04 to 14.04 using the update-manager. But the upgrade process stopped midway due to insufficient disk space. I cleared up enough space, and tried to resume by ...
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107 views

Select account based on password instead of username

Sometimes I might be forced to open my PC in front of strangers for some reason. In front of other people, I would like to make it appear that I'm logging in normally into my computer, but secretly I ...
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910 views

Samba Shares not working after reboot

After a reboot of a Ubuntu 12.04.4 LTS (GNU/Linux 3.8.0-35-generic x86_64) LTS server, the samba shares are no longer working. Details: Connecting to the samba shares from a Windows server using ...
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566 views

Trouble with “ waiting for headers ”

It seems duplicate but really it's not, I'm really tired of testing all solutions and reaching no success. even I'm thinking about going back to windows because I had several problems with Ubuntu ...