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 (9)

1
vote
1answer
330 views

Problem installing Nvidia drivers on 840m (12.04)

Just got an MSI GP70 2PE Laptop. The laptop has an Nvidia 840m and I need to utilize the GPU for my work. I've tried following the instructions (posted here: ...
2
votes
1answer
3k views

How to get NetExtender VPN client on Ubuntu 13.04 working?

I've got a Ubuntu 13.04 desktop and I need to connect to a Sonicwall VPN appliance using NetExtender. TL,DR, the VPN connects fine, but then I can't reach any internet or LAN websites. Details: ...
-1
votes
2answers
15 views

Ubuntu 12.04 Keyboard only works while pressing holding/pressing down keys

I'm running Ubuntu 12.04 on VM virtualbox. Yesterday, something happened while i was modifying a simple text file in my admin/regular user account. Now I can only print or perform actions involving ...
1
vote
5answers
6k views

Ubuntu 12.04LTS stuck at login mouse and keyboard not responding

I have Ubuntu 12.04LTS installed on a dual-booted machine (i5 dual core 8G ram) and it's been working fine, but today for some reason when I logged out and tried to log back in it is stuck at the ...
0
votes
1answer
6k views

How to install Perl, PHP, MySQL and Ruby packages on Ubuntu

I need to work on Perl, PHP, MySQL, and Ruby software on Ubuntu. Are these already installed on Ubuntu or do these packages need to be installed? I am using Ubuntu 12.04.
0
votes
2answers
4k views

How to get rid of youtube html5 player from firefox

I have tried youtube html5 player by opting it in from here But i dont find html5 youtube player as good as flash player. So i opted out from same link despite of opt-out youtube was showing videos ...
1
vote
1answer
39 views

Package system is broken (Ubuntu 12.04) [duplicate]

Keep trying to update Ubuntu 12.04 but it keeps telling me that my package system is broken. I run apt-get -f install and get this : owner@MyLaptop:~$ sudo apt-get -f install [sudo] password for ...
2
votes
1answer
8k views

Tomcat Installation startup.sh not working

So I've followed the list of steps on : https://www.digitalocean.com/community/articles/how-to-install-apache-tomcat-on-ubuntu-12-04. When I try to run the startup script, I get this message: ...
0
votes
2answers
35 views

RecordMyDesktop doesn't work. Suggestions for a screen recorders for my game console? [duplicate]

Please. I need a new screen recorder so I can record my emulated games. (PS1, SNES) Please suggest me ones that are simple and require no hard to understand sudo code.
-1
votes
0answers
31 views

I am getting Could not clean server of obsolete files: null error

I was using eclipse and tomcat 7.0 fine for all web application till yesterday but unfortunately i lost my eclipse folder(which is i am running exe) and temp folder(which is workspace directory) so i ...
2
votes
6answers
6k views

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
votes
3answers
5k views

Not able to configure Reliance Netconnect USB dongle with Ubuntu 12.04 LTS

I've a Netconnect USB dongle which is I am not able to use with Ubuntu 12.04 LTS. I am noob lsusb Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID ...
0
votes
0answers
21 views

How do I only install ubuntu 12.04 in hp z400 workstation?

I am trying to install ubuntu 12.04 in hp z400 workstation which has windows installed before. When I tried to install ubuntu, I got this error: “Unable to install GRUB in /dev/sda”. When I chose ...
1
vote
3answers
10k views

How can I reinstall pulseaudio? (12.04 64bit)

I accidentally removed pulseaudio from my Ubuntu 12.04 64bit. I have tried reinstalling it using sudo apt-get install pulseaudio but my sound card doesn't appear in the list of the devices (in ...
1
vote
2answers
10k views

Why cannot Ubuntu 12.04 detect windows 7 (dual boot)

I was trying to install Ubuntu 12.04 alongside with windows 7. I only have one hard drive (1TB), and I first installed window 7 on one partition. Now there are about 500GB unlocated space on the disk, ...
3
votes
3answers
560 views

“Failed to setuid to root.” How do I Establish a VPN network?

My university decided that the old VPN-network, which worked fine, wasn't good enough anymore and abandoned it. Now I have to establish a completely new VPN-network. My university provided me with a ...
0
votes
0answers
18 views

Ubuntu LTSP 12.04 freezing on thin client login

I have set up Ubuntu LTSP 12.04 thin client server successfully , the problem is when I users try to log on , using thin client machines the server and clients altogether freeze.
0
votes
2answers
3k views

Why won't my graphics work in Ubuntu 12.04 LTS?

I'm very new to Ubuntu and to Linux in general, and took the leap and formatted my PC to Ubuntu 12.04 LTS very recently :) I seem to be having some trouble getting my graphics card to run properly, I ...
0
votes
0answers
22 views

install atheros ar956x

I am working on a 12.04 LTS based distro, but cannot connect to wifi. I am however able to use cable. I figured I had to install the drivers for my atheros ar956x wireless module in my toshiba laptop. ...
0
votes
1answer
77 views

Any whiteboard animation software for Ubuntu or Linux?

Is there any standalone easy-to-use whiteboard animation software like EasySketch Pro 2, Explaindio or VideomakerFX for Ubuntu or Linux in general? Else, how can one achieve something like ...
2
votes
1answer
494 views

cannot compile gcc or g++ libc_nonshared.a not recognized

I cannot compile C/C++ files anymore since using a new account (I think it was since then anyway) and I'm getting a strange error every time I try to compile: ~$ g++ hello.cpp ...
0
votes
1answer
17k views

How to fix video playback showing green screen with just audio?

When I attempt to view a video file, I get a solid green screen with audio, regardless of the application or file format. This happens with .mp4, .gp, and .dv files. I am unable to use live web cam ...
1
vote
1answer
153 views

How do I install Ubuntu to another partition from within Ubuntu? [duplicate]

Hi I have been looking in to installing a Linux image from within Ubuntu as I ran out of Cd's. I am currently experiencing problems with my 12.04 and would like to install a second copy to an empty ...
0
votes
0answers
303 views

Why are these errors popping up even when the installation is fine?

I am having a problem , when I try to install or upgrade something, it appears like it fails, but it does not. This will pop up usually only for the Ubuntu Software Center. This will pop up ...
3
votes
2answers
7k views

I'm trying to install VMWare tools on Ubuntu 12.04.2 LTS and I seem to have a problem with Kernel headers

I have Ubuntu 12.04.2 LTS installed on a VMware machine on Windows 7 host. I seem to have a problem with Kernel headers when trying to install them I did: sudo apt-get install gcc make ...
3
votes
4answers
6k views

Parallel Port Problem in 12.04

I have a “dumb” printer attached to a parallel port in my machine which works fine under the “other” resident operating system (from Redmond) on the same machine. I recently added Ubuntu 12.04 as a ...
1
vote
1answer
45 views

Missing drivers on my ThinkPad

I have a ThinkPad T440s, and I have been using Ubuntu 12.04/14.04. Regardless of what version I use, I consistently have issues with Brightness control (has an easy fix) Bluetooth startup (has an ...
0
votes
1answer
27 views

Running 12.04 LTS as Virtual box on a windows 7 , 64bit OS .Not able to access internet from Ubuntu VM box

Running 12.04 LTS as Virtual box on a windows 7 , 64bit OS .Not able to access internet from Ubuntu VM box. I have a wired Internet connection and able to access internet from windows 7 .But not ...
0
votes
3answers
15k views

Problem with Ubuntu Software Center--can't install anything

About 3 weeks ago I downloaded Ubuntu 12.04 and I've been running it since then. Initially everything worked great, but about 10 days ago the Ubuntu Software Center quit working (I previously used it ...
0
votes
1answer
5k views

Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E

I had Ubuntu 11.10 and in the last few weeks I experienced an obscure problem: after I had the computer running for a few days I could no longer connect to google.com or anything related to google. ...
0
votes
0answers
16 views

Mouse Issues on VGA output

I am running Ubuntu 12.04 on a Lenovo Thinkpad X200. I am using the VGA output on a second monitor. The mouse works fine when using it but as soon as I touch the internal screen on my Thinkpad, the ...
0
votes
0answers
16 views

Very weird behaviour when signal sent from Kernel to UserLand Process

So I am sending a SIGUSR1 signal from a LKM to a userland process. Assuming I have the PID of the user-land process, here is the relevant code from the LKM: void s3f_send_signal(struct task_struct* ...
0
votes
8answers
3k views

How to transfer pdf file to ipad 4?

I was able to transfer music by installing few libraries and then my device was recognised by rhythmbox. But no success in transferring pdf files to ipad. Any suggestions?? Thanks in advance.
0
votes
0answers
15 views

How do I disable SSLV3 in Ubuntu 12.04?

I run the following command (identifying the host and port) via terminal and get connected, so SSLV3 is still enabled on my Ubuntu box but I can't find any resource on how to disable it. openssl ...
0
votes
3answers
4k views

Wireless Driver Installation (BCM4312)

I have just installed Lubuntu 12.10 in my Lenovo IdeaPad S10 (don't know the exact series). I have Broadcom BCM4312 wireless chipset for my wi-fi and I have tried installing the firmware using the ...
0
votes
4answers
4k views

Post installing comodo issues

I have installed comodo antivirus for my Ubuntu 12.04, even if I'm a newbie I managed to enter finalize the installation, you know when you have to type sudo /opt/COMODO/post_setup.sh, went through ...
1
vote
1answer
64 views

rails -version command error in Ubuntu 12.04

I have installed ruby and rails in Ubuntu 12.04. I am trying to create the new project for rails using this command "rails new testApp", but it is giving me the error ...
0
votes
4answers
3k views

Ubuntu 12.04 doesn't shutdown

I am a Ubuntu newbie. I installed Ubuntu 12.04 on my Lenovo Ideapad S205 3 days ago. Installation and working is no problem but it doesn't power off on shutdown. Hard disk activity goes off but the ...
2
votes
4answers
3k views

Unity 3D doesn't work on ubuntu 12.04 LTS in virtual box hosted by Windows 7 64bit

Can't google out the solution through some time so I'm asking here. I have installed Linux Ubuntu 12.04 LTS in virtual box hosted by Windows 7 64bit Simple >>>my 3D stopped working after some kernel ...
-1
votes
0answers
52 views

webcam not working in 12.04 for dell inspirion 3542

i have bought new dell inspirion 14 3542. webcam is not detected. i have gone through web but could not find any working result. The output of command lsusb is Bus 001 Device 002: ID 8087:8000 Intel ...
3
votes
1answer
3k views

How to install MacBuntu on an Ubuntu minimal install?

I've tried going for Cinnamon install however the process failed. Discussion here. I want to try a different approach. Thus my question is, how do I install MacBuntu or MAC-4-Lin right onto a Ubuntu ...
0
votes
0answers
18 views

Can't shut down and connect to internet

Lately, my ubuntu 12.04 has been acting out of the ordinary. I have found that my entire internet menu has disappeared. Now, ubuntu can't access wifi anymore. I tried to restart so that maybe ubuntu ...
0
votes
1answer
23 views

Setup evolution for comcast MAPI server on 12.04

Per Comcast, the following is the procedure to set up a client to access mail accounts via MAPI: To configure an email client to use Comcast email (@comcast.net), the following settings should be ...
0
votes
0answers
20 views

Are systemd fixes backported?

My initial Stackoverflow question is: here. Launchpad bug #1333140 here indicates a fix has been produced (thank you to all involved!), see extract below. systemd (218-10) experimental; ...
1
vote
0answers
878 views

How Do I Enable Nvidia Drivers in Recovery Mode?

How do I enable nvidia drivers in recovery mode? I've installed 12.04 via text mode with the alternate ISO. It rebooted into the blank purple screen; Ubuntu bongos played. I'm in recovery mode. Apt ...
0
votes
1answer
4k views

How to share internet over wifi?

i m using ubuntu 12.04 i want to share my tata photon plus connection over wifi I used the procedure listed here but it does not connect to the wireless network in the host computer itself. Please ...
0
votes
1answer
152 views

Screen Brightness on Acer AspireV: bar appears, brightness doesn't change

Using 12.04 on an Acer Aspire V5-561-9410. When I use the function keys to modify screen brightness (or use any solutions I've found here to this problem like the one found here or here), I see the ...
1
vote
2answers
4k views

No sound on laptop speakers on an Acer Aspire 6920

Computer: Acer Aspire 6920 Card: HDA Intel Chip: Realtek ALC889 My problem is that the laptop build-in speakers don't play any sound. When i plug in my headphones the sound works normally, the same ...
0
votes
1answer
3k views

Ubuntu Server 12.04: Bad archive mirror

I get stucked when installing Ubuntu Server 12.04 on my laptop. When it comes to "Choose a mirror of the Ubuntu archive", I get 'bad archive mirror' error. I've tried many times with other options ...
12
votes
5answers
9k views

Sheet name font size on LibreOffice Calc is too small

I am using LibreOffice 3.5.3.2 (Ubuntu 12.04) and the buttons to switch tabs in Calc are written with small fonts. They're so small I can't even read what is written on them. I could not find a way ...