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.

learn more… | top users | synonyms (8)

3
votes
0answers
733 views

alt tab stopped working properly suddenly in ubuntu 12:04 unity

I have been working on my laptop since morning and suddenly before some time my Alt-Tab functionalist stopped working properly. Some times it switchs between the windows some times not , even if it ...
3
votes
0answers
1k views

Unity launchers and bar disappeared and unity --reset shows an error

I am having a problem with unity. I have launched Movie player with QNapi (application for downloading movie subtitles) and somehow Unity crashed and disappeared leaving just the opened windows ...
3
votes
0answers
250 views

Segmentation fault when trying to run psychonauts. NOT SOLVED by forcing S3TC-support or getting the needed libraries

So i'm having problems running psychonauts as i've noticed many others have as well. I installed it through software center and made sure i had the right libs needed to run mesa ...
3
votes
0answers
880 views

Dell Vostro 1510 can't connect using wired connection

I recently dual-booted my system with Windows 7 and 12.04. I can't access Internet through wired connection, in spite of LAN cable in the socket. It says network cable unplugged, but I can access ...
3
votes
0answers
2k views

12.04 internal error ( Sorry Ubuntu 12.04 has experienced an internal error )

I am running 12.04 LTS. I have been since its release. But all of a sudden my machine now take 5/6 minutes to boot up. I do not have sound anymore, where pulse audio was listed now reads dummy output. ...
3
votes
0answers
1k views

Tracing IR to Hauppage remote on Mythbuntu 12.04

I have installed Mythbuntu 12.04 on an AMD dual core. Basic TV play and record functions are working, but I am having some troubles with the remote. The card is a Hauppauge WinTV-HVR 1250. I have ...
3
votes
0answers
920 views

Wireless driver only works after plugging the cable in with a BCM4313

I upgraded to Ubuntu 12.04 this week. I've had a couple of problems with my wireless card. After following some posts here on askubuntu I got it to work on a peculiar way: When I start my laptop ...
3
votes
0answers
295 views

Sony NWZ-E363 doesn't go in MTP-Mode

i want my mp3-Player to work as MTP. Therefore I added a .config containing options usb-storage quirks=054c:059b:i file to /etc/modprobe.d. To prevent the device from beeing auto-mounted. ...
3
votes
0answers
442 views

DNS servers not correctly set in VPN

I have to use an OpenVPN network to work from home, and I occasionally have problems getting DNS to resolve. The problem comes and goes, and I can't reproduce it reliably. I took the OpenVPN config ...
3
votes
0answers
696 views

Enabling middle-click and gestures on multitouch clickpad? (Ubuntu 12.04; Samsung NP900X3A-A03US)

Out of the box (with the xorg.conf from the Ubuntu wiki), left-click, right-click, and two-finger scroll all work flawlessly. However, middle-click doesn't work at all (despite appearing to be ...
3
votes
0answers
858 views

Webcam stopped working but appears in lsusb, works fine in windows

This has been bugging me for some time now... Laptop: Thinkpad T420 Ubuntu 12.04 Precise When I installed Precise, I could use my webcam without any issue (Cheese, Skype...) However, all of a sudden ...
3
votes
0answers
4k views

How do I install an Edimax EW-7811Un wireless adapter?

I recently installed Ubuntu 12.04 to my old computer (a Dell) after XP began to run very slow, and am now trying to install a Edimax EW-7811Un 150 Mbps Wireless 11n Nano Size USB Adapter to connect to ...
3
votes
0answers
625 views

Is it possible to change a laptop's screen-dimming capabilities?

My laptop is able to dim it's screen automatically until it is turned off by Ubuntu to save power, currently my dim screen button doesn't let me turn off my screen completely, my questions are: Is ...
3
votes
0answers
793 views

How do I install and use the Bluetile window manager in 12.04?

I've been working on getting bluetile working on 12.04 so I can start down the path of tiling windows managers, but I have been having limited success. I have read the (only 7!) other posts on ...
3
votes
0answers
3k views

Ubuntu 12.04 OpenCL with Intel and Radeon?

I want to setup my Ubuntu 12.04 with OpenCL(Open Computing Language) support for i7 2600k and Radeon HD5870. My Monitor is connected to the integrated Graphics of the i7. Intel OpenCL SDK is ...
3
votes
0answers
642 views

Wifi will not connect with an Intel Wifi Link 1000

I have an HP dv7t-6100CTO laptop. I have linux ubuntu 12.04 lts dual booted. The specs of my laptop are: - i7-2620m dual core (2.7 ghz) processor - intel wifi link 1000 bgn wireless card I am having ...
3
votes
0answers
868 views

What are ECRYPTFS_FNEK_ENCRYPTED files and folders for?

I've moved my home folder from an old to a new computer using this HowTo. The old machine was running Xubuntu 11.10 the new is running Ubuntu 12.04 64bit. On both machines the users where created ...
3
votes
0answers
430 views

Saving/Applying Gnome Settings not working

I am unable to change any settings on my Gnome setup, such as favorites in Unity, adding extensions in Gnome Shell, etc.. It appears that the computer just ignores any settings. In Gnome Shell, I ...
3
votes
0answers
1k views

12.04 very slow in launching applications

I upgraded to 12.04 and now applications are very slow to launch. For example, I open up the update manager and after about 10 seconds the window appears with a solid white background and then I wait ...
3
votes
0answers
391 views

Vertical scroll doesn't work in some applications on a Dell inspiron 14R

I just installed ubuntu 12.04 and installed all the necessary updates and Gnome Shell. I have ticked "enable horizontal scrolling" and "edge scrolling" in touchpad settings. The scrolling works well ...
3
votes
0answers
8k views

Connecting To Projector in Ubuntu 12.04

I tried to connect My new ubuntu version with a projector.But it was useless cause Laptop not identified that projector.Updated my Nvidia Driver also.I installed disper also.but couldn't connect to ...
2
votes
0answers
29 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 ...
2
votes
0answers
103 views

Why can't my udev rules rename kernel device nodes after upgrading from 12.04 to 14.04

In Ubuntu 12.04 I wrote the following udev rules to fix the /dev name of a USB RF remote control. These were: KERNEL=="event[0-9]*", ATTRS{name}=="BTC USB Multimedia Cordless Keyboard", ...
2
votes
0answers
36 views

Running Chrome extension periodically using a cronjob

I have built a chrome extension that performs a set of actions on a random webpage. The extension seems to work fine and I plan to run it on a VPS running Ubuntu with a XFCE desktop environment. Now ...
2
votes
0answers
60 views

Release upgrade to 14 failed with a Python exception

So I attempted to upgrade by running sudo do-release-upgrade as it specifies in my login prompt. It runs for about a minute before crashing with the error: AttributeError: 'AptCdrom' object has no ...
2
votes
0answers
32 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 ...
2
votes
0answers
278 views

Sun Grid Engine Qmon not working on Ubuntu 14.04 LTS

Hello to Sun Grid Engine, UI, and package experts, After installing Sun Grid Engine and trying to run the qmon graphic user interface, the system shows the following errors: Warning: Cannot convert ...
2
votes
0answers
126 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 ...
2
votes
0answers
89 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 ...
2
votes
0answers
85 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 ( ...
2
votes
0answers
61 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 ...
2
votes
0answers
95 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 ...
2
votes
0answers
322 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 ...
2
votes
0answers
201 views

Backup and restoration of USB-modem functionality

The laptop with USB modem is in another city with my elder relative. The laptop has dual boot with XP and Ubuntu. Modem works in XP. The modem did work in Ubuntu but not anymore. I cannot fix the ...
2
votes
0answers
67 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 ...
2
votes
0answers
62 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 ...
2
votes
0answers
182 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 ...
2
votes
0answers
363 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 ...
2
votes
0answers
404 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 ...
2
votes
0answers
79 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 ...
2
votes
0answers
192 views

How to change cloud location in deja-dup?

I have recently created an account in surdoc cloud(its a free account). I want to backup my home pc data to surdoc cloud using deja-dup backup. Can anyone tell me what changes should I make to ...
2
votes
0answers
301 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 ...
2
votes
0answers
4k views

Problems with OpenSSL-Heartbleed in Ubuntu12.04LTS

Since I have not enough reputation to comment an existing Answer, I create this new question. I have a vServer with Ubuntu 12.04LTS. Because of the Heartbleed-Bug in OpenSSL1.0.1 I upgraded all ...
2
votes
0answers
127 views

Unable To See Screen After AMD Catalyst Driver Install

I have the following setup: Z87 Extreme Motherboard. Asus HD 7790 Graphics card. Asus R9 280x Graphics card. Ubuntu 12.04 I have been able to install both the latest beta drivers and the latest ...
2
votes
0answers
344 views

Running gradlew produces “: No such file or directory”

We are two developers running Vagrant VMs with Ubuntu 12.04 installed. Running ./gradlew to execute our build script works fine for me, but when he runs the same command he gets the error: : No such ...
2
votes
0answers
261 views

WiFi connection problem on HP Pavilion dv8

I have an HP Pavilion dv8. I installed Ubuntu 12.04 to replace Windows XP Home Edition and did an update to 12.04.1. The connection to my Belkin router was fine during installation and did not ...
2
votes
0answers
22 views

Launch app only if not already open

I would like to mimic the use of Alfred on Mac OS X, where if you try to open an app after searching for it, it will only open a new window if the program is not already running, otherwise it will set ...
2
votes
0answers
653 views

Add VIA driver from command line prompt

I've tried upgrading a Windows XP environment to Ubuntu 12.04 LTS. I get the "low-graphics mode" screen that stalls. I know that error is well-documented for ATI/AMD, however this machine has a VIA ...
2
votes
0answers
168 views

How to restart OpenStack services after restart/logout?

I have successfully configured OpenStack following this tutorial. The problem is that when I logout of my system or restart, and then try to access the OpenStack dashboard, it says page not found. It ...
2
votes
0answers
422 views

Video colors wrong 12.04 LTS using VLC or Movie Player

Does anyone have a fix for misrepresented video colors? Have searched askubuntu.com, have not found a solution that works. 12.04 LTS displays video colors incorrectly using VLC or Movie Player. ...