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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How fix ATI fglrx driver after kernel upgrade

I upgraded to the 12.04.4 lts saucy stack from 12.04.3: sudo apt-get install --install-recommends linux-generic-lts-saucy xserver-xorg-lts-saucy libgl1-mesa-glx-lts-saucy That installed the 3.11 ...
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Install ffmpeg in Ubuntu 12.04 LTS

Background : I used ffmpeg to merge two videos side by side. First I install ffmpeg by following command as it suggest by Ubuntu itself. sudo apt-get install libav-tools or sudo apt-get install ...
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wireless not enabled in 12.04, Lenovo T440s

I have installed Ubuntu 12.04 LTS on my Lenovo T440s, but I can't get the wireless to work. The adapter is a Intel Wireless 7260, as shown here: ...
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711 views

Realtek 8723AE driver works badly

\o So my wireless card works. At home, it would work nicely on both Windows 8 and Ubuntu, with a very steady, sustained connection. However, now that university started, I'm in a hub with much more ...
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12.04: Kernel Update - Stopping System Runlevel V Compatibility

I recently updated my Ubuntu 12.04. One of them was Kernel update to Kernel 3.2.0-58. The problem is that when the update finished it asked to restart my computer, so I did. The computer went into ...
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323 views

Ubuntu 12.04 LTS Network Icon Mistaken

After some diagonic processure, I've found that my wireless network has not yet resolved but my wired connection has mistaken the wrong icon. eth0 Link encap:Ethernet HWaddr 20:6a:8a:3f:70:90 ...
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TP-Link TL-WN8200ND works very slowly

I run Ubuntu 12.04 on a PC, recently I purchased a TP-Link USB adapter TL-WN8200HD As it turned out it is not supported by the drivers that came with the Ubuntu 12.04. From Web Search I understood ...
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VMPlayer installation error on ubuntu

when I try to install VMWare Player on Ubuntu 12.04 LTS I get the following error: Unable to build kernel module. I saw in other similar questions that a suggested solution is to do the ...
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Why doesn't my HP Deskjet 2514 work?

I'm new to Ubuntu (using version 12.04 LTS), so maybe there's something obvious I'm missing. I hope that's the case. I'm on my second printer, and keep having the same problem. I'm currently using ...
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Upgrading Ubuntu from 12.04 to 12.10 broke my system, completely.

First, I hope that this is not a duplicate, because I found my question quite strange and unique, and I don't have any idea with it. These days I heard of the new Ubuntu release, version 13.10 and I ...
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How can I fix “dpkg: error: parsing file”?

... and what is sudo and where/how would I type the scripts I've seen in some related answers? Yes I am very new to Linux, and am using Ubuntu 12.04 LTS. All updates are failing with ...
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Ubuntu 12.04 - gnome-settings-daemon crash and problem with fn keys

I know there are many questions similar to this, I've been reading them and searching for a solution for 2 days but no luck so far. I have a Samsung NP550P5C laptop and just installed Ubuntu 12.04.3 ...
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Boot to terminal, startx doesn't work

After I updated the drivers for my video card and restarted, Ubuntu booted the terminal instead of the graphical interface. startx and sudo startx doesn't work. xorg --configure doesn't work either ...
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758 views

Can upstart script be triggered by a device attached?

How should I specify the "start on" condition to run an upstart script when a device (an external disk) is attached?
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Flickering/Flashing screen problem related to keyboard

This will seems quite bizarre but that's a huge problem for me, I'm facing it for a long time since Ubuntu 12.04. My Ubuntu/Linux Mint/Debian (Unity/Gnome) always starts flickering after using the ...
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1answer
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problem with static ip in ubuntu 12.04 lts server

I change my server's ip from dynamic to static. After I change the file in /etc/network/interfaces with the following code, my server lost connection to internet. Here's my new network interfaces: ...
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I can't install libtiff on my 64-bit Ubuntu

When I try to install libtiff on my 64-bit Ubuntu, I get the following error: sudo apt-get install libtiff Reading package lists... Done Building dependency tree Reading state information... ...
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“No root file system is defined”

Have recently installed Ubuntu 12.04.2 LTS by USB on my newly built custom pc and I have run into a problem during installation with the error saying "No root file system is defined." My pc ...
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error processing linux-generic-lts-quantal, dependency problems - leaving unconfigured

This happened during this mornings dist-upgrade along with apport failure. :~$ sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... ...
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How to set swap in /etc/initramfs-tools/conf.d/resume if I have two swap partitons?

I have two swap partitions in fstab : /dev/sda8 none swap sw,pri=1 0 0 /dev/sdb8 none swap sw,pri=1 0 0 How to set swap in ...
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263 views

How Can I Run Ubuntu via my VM? [duplicate]

I'm trying to install Ubuntu 12.04 to run in VirtualBox alongside my Win7 64bit OS, without having to dual-boot. I added the 64-bit Ubuntu iso to my VM, and powered it up so to proceed with the ...
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Ubuntu not booting after using Ubuntu-Tweak's janitor function

I'm pretty new to Ubuntu. This morning my Ubuntu 12.04 would not boot up properly anymore. After the loading screen saying "Ubuntu" with the five little dots it just goes black and nothing happens. ...
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Where is the steam directory folder in 12.04?

I've checked in the home folder but this is all I see.
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Why doesn't Ubuntu 12.04 recognize my Windows 7 partition?

After some problems trying to install Ubuntu alongside Windows 7, now I have Windows 7 installed and it works just fine. But when I am going to install Ubuntu it doesn't recognize my windows. What ...
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587 views

How can I get Windows Active Directory functionalities in Ubuntu?

I want to get the same functionalities of Windows Active Directory using Ubuntu Server 12.04. Is there any tools to do that? and how can I do that?
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Ubuntu 12.04 - Not recognizing Atheros AR8161 Gigabit Ethernet

I built my own computer about a month ago and loaded Windows 7 on it, and then decided to put Ubuntu 12.04 on instead. It doesn't recognize my ethernet cable, and I cannot get any internet ...
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What gcc version do I need?

I have installed ns-2.28 on ubuntu 12.04. My kernel version is 3.2.0-29-generic-pae. What gcc version matches my ns-2.28 & 3.2.0-29-generic-pae?
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Does Blue Microphones Snowball Ice work with Ubuntu 12.04?

Does 'Blue Microphones Snowball' microphone work with Ubuntu 12.04? If the answer is 'Yes' then did it work out-of-the-box or, if it requires some work, please explain. Also, if anyone has it ...
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965 views

Installing ubuntu onto my 13 year old PC

I have a Windows XP Dell, from like 2000. I'm trying to completely install Ubuntu onto it, not run it from a CD, or USB. I want it to erase everything, now I tried the windows installer and it said I ...
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Ubuntu wont recognize my wireless network card

Ok, I'm semi competent with computers, even less so with Ubuntu, Brand new to this OS... But here we go.. Ubuntu wont recognize my wireless... here is how kernel recognizes it: *-network ...
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Ubuntu 12.10 or 12.04? [duplicate]

Im new in Linux, I downloaded Ubuntu 12.10. Should I download 12.04? What's are the difference between the two? Thanks!
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How to install network drivers in Dell Inspiron 5420?

I am using Dell Inspiron 5420 (14R 3rd gen). Wireless and wired works fine in Windows 7, but I do not get any in Ubuntu 12.04. lspci gives the following data: 02:00.0 Network controller: Broadcom ...
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copying files to usb stick never finished

I tried to copy 3.3GB iso file into a 64GB usb stick, the progress bar show completed but the copying operation windows doesn't closed after almost an hour now and still hanging not closed. I'm using ...
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Unable to boot Windows 7 after Grub overwrote the Windows bootsector [duplicate]

I have Windows 7 on my machine and then installed Ubuntu 12.04 using a live CD. I can see both Windows 7 and Ubuntu in the grub menu, but when I select Windows 7 it shows a black screen for about 2 ...
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1answer
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How do I enable/disable graphics card at will without logging out?

My battery backup hardly lasts for 45mins. I searched for a similar problem but din't find any solution applicable to me. I use Nvidia GeForce 525M graphics card and use Nouveau. My laptop gets ...
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I cannot upgrade to 12.10 because of graphic-card, Radeon HD 3450

I wonder what has happened. I have Ubuntu 12.04 and Ati Radeon HD 3450 and that has supported 3D, now suddenly it does not accept my graphic-card. I really would like to know what to do? Should I ...
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1answer
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apt-get install not working

sudo apt-get install <anything> is not working in my terminal Whenever i try doing it, it displays the following error message:- Err http://in.archive.ubuntu.com/ubuntu/ precise-updates/main ...
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1answer
315 views

No wifi connection with Atheros wifi card ar2143, gui only works in wired connection

So I've been having multiple issues installing both 12.04 and natty narwhal 11.04. I installed from a usb drive both times exactly as ubuntu.com said to onto a custom build desktop with a Atheros ...
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Lubuntu 12.04 on an IBM ThinkPad T21

Fairly new to linux in general, I've tried it multiple times in the past but never really stuck. I've had a T21 for ages and decided to use it when I'm not in the mood to sit at my desktop on the ...
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Ubuntu 12.04 running slow: How to improve performance? [duplicate]

Possible Duplicate: How can I improve overall system performance? I used to work in a computer (Dell Inspiron) with 2GB RAM, 80GB dd and Intel Core Processor with Ubuntu 10 under Gnome, and ...
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Fail to download repository information [duplicate]

Why lately I've been getting this error when I try to update my computer? Ubuntu 12.04 Kernel 3.5.2 Processor i386 W:Failed to fetch ...
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1answer
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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 ...
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659 views

How can I add file create read write and delete for a specific user?

Question: I need to give file create, read, write and delete access to /var/log for user bind only. How can I do that, short of allowing read and write and delete access for everybody ?
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Installing Windows 7 on pre-existing Ubuntu 12.04 for Dual-Boot FAQ? [duplicate]

Possible Duplicate: How can I install Windows 7 after I've installed Ubuntu? I just wanted to ask a few questions before I completely destroy my system. My system currently has ...
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Networking 3 Virtual Machines

How do I set up a network with three virtual machines using Virtualbox and Ubuntu 12.04 32-bit so that they all run together?
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12.04 reboots rather than shutting down

I have a ruvo with a fresh installation of 12.04. When I try and shutdown the computer reboots. Until I upgraded (by doing a fresh install) I ran it with Ubuntu 10.04 and I didn't have this issue. I ...
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Ubuntu detects that I don't have at least 4.4 GB free space, what should I do?

When I try to install Ubuntu 12.04, it shows me, that I don't have at least 4.4 GB free space. How can I format my Hard Disk Drive? Actually I have 8.4 GB free space, but I screwed up everything ...
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How do I install Intel ethernet drivers?

I just bought a Lenovo T420, I booted the live CD and couldn't connect to my wireless router so I figured I needed the drivers for it. I have the last version of Ubuntu(12.04). It's a Intel® 82579 ...
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How to get MySQL back on Ubuntu 12.04?

The upgrade to Ubuntu 12.04 delete MySQL and I need urgently to get it back. The problem is that I'm getting an error installing it, either with apt-get or aptitude: Errors were encountered while ...
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How to find an ubuntu password which i removed?

I removed my password from the user menu where they gave the option for no password. So i pressed that and now the computer can be logged into but they ask a password which is not my old ...