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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Ubuntu 12.04-2 does not install with UEFI [duplicate]

I'm in trouble to instal Ubuntu in Insipiron 14z. I've already created this question (that was wrongly marked as duplicated): First question But, the error seems to be with UEFI. If I disable ...
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1answer
506 views

/etc/network/interfaces doesn't always take affect

For some reason my eth0 does not have internet on reboot sometimes. I am using a static ip. I can ping my gateway, but I am unable to ping dns servers, or anything out of my network. It seems that ...
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1answer
590 views

How to copy dvds using HandBrake under Ubuntu 12.04

I can get handbrake to encode a dvd just fine but after that what do i use to write it to the blank dvdrw? Am using ubuntu 12.04.
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2answers
9k views

Install Eclipse CDT on ubuntu 12.04

I'm trying to add the CDT to an existing Eclipse JDT installation. I'm following the process below: Open Eclipse Help->Install New Software I click the Add button I enter CDT as name and the link ...
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1answer
104 views

AMD different ways to install drivers

I do not want to know how to install drivers but what the differences between 2 ways and which one is better. building deb files from *.run file sudo sh*.run --buildpkg Ubuntu/precise installing ...
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2answers
2k views

gpgkeys not found on keyserver

So this error has been popping up a lot so I thought I'd resolve it: W: GPG error: http://cfengine.com precise Release: The following signatures couldn't be verified because the public key is not ...
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2answers
3k views

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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2answers
162 views

Guake does not show end of text line

Working on Ubuntu 12.04, Guake 0.4.3. Faced with inappropriate behavior with end of text lines (left side of screen) that are displayed on Guake. See screenshot: Also I navigate to /etc to find ...
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0answers
111 views

Installed 12.04 / Windows XP Will no Longer Boot

Installed 12.04, can no longer boot XP. It is available as a bootable OS in GRUB, as soon as it is selected it returns to the GRUB selection screen. boot-repair did not work. I'm a noob, so I probably ...
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1answer
104 views

How to re-encrypt my swap to activate it again?

A while back I was messing with my swap space, turning it on and off using sudo swapon -a and sudo swapoff -a. Since I generally have enough RAM anyway (6GB) I totally forgot about it. Currently I am ...
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1answer
68 views

Installing Ubuntu on an old PC running Windows 8 Consumer Preview

I have an old PC running Windows 8 Consumer Preview. The PC initially had Windows Vista. I downloaded the 32 bit version of Ubuntu 12.04 LTS and made a bootable pendrive. In the Ubuntu installation ...
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1answer
717 views

Is Ubuntu 12.04 a Plug and Play OS in BIOS?

In Windows since lots of years back one should always enable plug and play OS in the BIOS. In GNU/Linux you should disable this option back in the old days. How is it nowadays, using Ubuntu 12.04 ...
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1answer
91 views

Rebooting problem

After restarting my ubuntu PC, I am getting a dialog window showing "Your system is running in low graphics mode" and after clicking on 'OK', I was prompted with three options 1. Run in low ...
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1answer
10k views

Install unetbootin on Ubuntu 12.04

I'm trying to install UNetbootin on Ubuntu 12.04 LTS. I downloaded the executable file from this link and followed the instructions below: If using Linux, make the file executable (using either ...
2
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1answer
32 views

How come service --staus-all outputs a non-existing service?

When I run sudo service --status-all It outputs [ ? ] jetty but there is no such service/process running in the system. How do I cleanup this service/process?
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1answer
705 views

How I do View C Drive?

I Run 12.04 LTS on a HP Pavillion Notebook with 250GB GB HDD. I recently found an emutlaor and noticed something weird. I had a Z: Drive and C: Drive. The C: Drive is the same as it was in windows. My ...
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1answer
791 views

Ubuntu Not Waking From Suspend

I'm running Ubuntu 12.04 (not wubi, usb install) alongside Windows 7 on my Toshiba Satellite Laptop Series L655D-S5050 I have a couple of issues, Ubuntu will not wake from suspend when closing the ...
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1answer
217 views

Installation loop?

Okay, I have downloaded Ubuntu 12.04 LTS and I can not get it to install. I have put it onto a 4gb SDHC card and set it to boot up. My problem is that when I try to install, i click on "install ...
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1answer
56 views

ubuntu doest not boot after installation of window 8

I had Ubuntu 12.04 , then I installed window 8 in another partition on my system. after installing win8 , my system is not able to boot to Ubuntu. that is when I start my system it boots to win8. i ...
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1answer
68 views

How to remove ubuntu 11.10 from dual boot [duplicate]

I upgraded from 11.10 to 12.04LTS using iso file i downloaded . But i realized that 12.04LTS is installed in parellel with 11.10. How do i remove 11.10
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1answer
797 views

Keyboard not working properly in terminal

I'm using Ubuntu 12.04.2, and my keyboard doesn't work normally in terminal. When I press the arrow keys, the characters "a", "b", "c", or "d" appear. The Backspace key is also not working.
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1answer
2k views

How to change phpmyadmin language to english?

I have install LAMP in my Ubuntu 12.04 but the language of phpmyadmin is German instead of English. So I want to change this language to English. Please tell me the right procedure to change language. ...
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1answer
349 views

How to recover files deleted in encrypted home before a failed upgrade?

I'm going to give you real breakdown of events to clarify what has happened. I’ve just rebuilt a rig I haven’t used for almost a year, it's running Windows 7 and Ubuntu 10.04. I couldn’t remember the ...
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2answers
1k views

Installing 12.04 alongside windows 7

Trying to install Ubuntu 12.04 alongside windows 7 home. However when I get the installation option it says that there are already multiple os installed and it dosn't give *me the option to install ...
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1answer
185 views

USB port not working, while shutdown and network manager are misbehaving

I use an Acer Aspire One with Xubuntu (12.04). Last night I installed a few updates, only the security ones because it was late. It finished OK with a message about needing to restart for the changes ...
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1answer
426 views

Very slow mouse on login screen

I have just finished installing Ubuntu 12.04.2 LTS 32 bits on my Toshiba Satellite L355D-S7809 laptop. I have performed apt-get update and upgrade and rebooted. The mouse movement on the login screen ...
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1answer
176 views

Help with getting Netflix to work?

I tried getting it to work through here: http://www.omgubuntu.co.uk/2013/01/how-to-watch-lovefilm-redbox-instant-or-netflix-on-ubuntu#content but nothing has worked! Any suggestions?
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2answers
112 views

remove unsuccessfully installed ubuntu 12.04

I tried installing ubuntu 12.04 32-bit along side windows 8, and I encountered an error. I determined that I need to install the 64-bit version instead. I need to delete the old directory containing ...
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2answers
4k views

“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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1answer
4k views

How can I improve the battery life under 12.04 on my Inspiron 14z? [duplicate]

How do I improve the battery life of my Inspiron 14z under Ubuntu 12.04? This laptop gets 4-5 hours of battery life using Windows (e.g. here). I've removed Windows, installed Ubuntu 12.04 and the ...
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2answers
231 views

Dual boot with ubuntu 12.04 and 13.04

I have installed 13.04 on the resident 8GB memory in my Acer Aspire One netbook. I have tried to install 12.04 (LTS) on the 32GB SD card. On start-up Grub Shows Ubuntu at the top of the list and ...
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2answers
2k views

How do I install the kernel headers as requested by this error message?

When I run sudo dpkg --configure -a I get Error! Your kernel headers for kernel 3.2.0-48-generic-pae cannot be found. Please install the linux-headers-3.2.0-48-generic-pae package. and gets ...
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0answers
5k views

How do I fix “dpkg status database is locked by another process”? [duplicate]

I got the the following error output when trying to install some package: E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration ...
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1answer
138 views

My system has 6 gb ram and i3 processor having ubuntu 12.04 64bit installed

My system has 6 gb ram and i3 processor having ubuntu 12.04 64bit installed. when i starts it works well but after sometime when i poweron VMware and chromium browser memory shows by free -m remains ...
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225 views

Windows PC not showing on network on Ubuntu PC

I'm trying to establish file and folder sharing between a Windows 8 PC, and an Ubuntu PC. I've added both the PC to the same Workgroup. I can see the Ubuntu PC on my Windows network locations. The ...
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1answer
401 views

ant not working on Ubuntu 12.10

I have installed ant on my ubuntu 12.10. When i try to compile a java project with build.xml, i get the following error: /usr/bin/ant: 1: eval: Syntax error: Unterminated quoted string ls -lrt ...
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0answers
523 views

Ubuntu 12.04 with 2.6.38 kernel

Can I install vanilla kernel 2.6.38 on Ubuntu 12.04?!? I tried installing it and booted 2.6.38 instead of default kernel but it never boots up. All I need to know is can I install 2.6 kernel on ...
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2answers
449 views

What partition table does the ubuntu 12.04 installer make?

What partition table does the Ubuntu 12.04 live CD installer make? Or can you choose that? Or should I use Gparted when I make the partitions for best compatibility?
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2answers
220 views

Partitioning my hard disk keeping everything and saving 20GB for Ubuntu:Possible?

I know that if I want to use Ubuntu aside Windows 7, I'll have to partition the drives, but I don't actually know about partitioning. This is very new. I want to ask something. How should I partition ...
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1answer
16 views

I missed the removal step after my upgrade from Oneiric to Precise

I have just upgraded my ubuntu form Oneiric to Precise. But unfortunately my PC hanged up, just before I was to start the removal step to remove the unnecessary packages. Hence, after a restart my PC ...
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1answer
146 views

how to use gdb to debug execution error?

When I ./tata I get segmentation fault.(core dumped) So I figure I need to debug the error, but I couldn't get where the line of errors are. Therefore, I need some guidelines from experienced guys to ...
4
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1answer
939 views

Why ubuntu does not use the kernels installed by automatic update?

I used the script describe in this question to list the kernel installed on the computer : How do I to remove or hide old kernel versions, to clean up the boot menu? In the 3.2.0, I have 33, 34, ...
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1answer
202 views

What happens when I cancel a Deja Dup backup?

Recently I had a reason to cancel a Deja Dup backup an hour later after it started. Now I wonder whether it messed up anything on the backup destination (AS3 storage)?
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16 views

Error when updating [duplicate]

Every time I run apt-get update I get the error for one PPA: W: Failed to fetch gzip:/var/lib/apt/lists/partial/gb.archive.ubuntu.com_ubuntu_dists_precise_universe_source_Sources Hash Sum ...
3
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1answer
3k views

Clearing caches in ubuntu

I need to clear system cache in order to record the time taken by a postgres query in cold cache. For clearing the system cache I am executing the following commands as root on Ubuntu server 12.04: ...
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1answer
85 views

Ubuntu freezes on first boot on samsumg series 9

I have just wiped windows 8 from my samsumg series 9 by installing Ubuntu 12 64 bit over it through usb. I have fast bios mode disabled and os mode selection set to csm os and the boot usb removed ...
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0answers
301 views

Wireless Problems After Resume

[Edit 3: Before you read all of this, I don't think this is a software issue anymore, so I'm not sure if there's a real solution that can be offered. I saw this video and read some of the comments. It ...
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1answer
81 views

Benefits of updating the ubuntu 12.04? [duplicate]

i am using ubuntu 12.04 LTS .What are the benefits of updating by update manager ?
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1answer
35 views

Question about 0x08059081

currently doing some homework to improve my skills. I tried to run a file by using gdb, but I encountered 2 errors as shown in the picture below. 0 0x08059081 1 0x080493c6 May I know what is #0 ...
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2answers
296 views

Can not install Wine 1.4 on Ubunru 12.04 running on a iBOOk G4

In synaptic when set to install says package broken kevin@ubuntu:~$ sudo apt-get install wine [sudo] password for kevin: Reading package lists... Done Building dependency tree Reading state ...