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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precise daily cd vs point release

I wanted to download precise live and alternate cd iso , but I'm confused on what to choose among daily build vs point release 12.04.2 . All I know is daily cd will have updated versions of packages. ...
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Ubuntu 12.04 wlan not running (Intel Corporation Centrino Advanced-N 6235 (rev 24))

I just installed 12.04.2, and got the latest updates. Network with cable ethernet ist running fine, but wlan never did so. 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6235 (rev ...
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1answer
100 views

wired and wireless do not work: CONFIG_IWLWIFI_DEBUG disabled

My WIFI or wired internet will not work. And there are these 2 error codes. iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEBUG disabled / iwlwifi 0000:02:00.0: CONFIG_IWLWIFI_DEBUGFS enabled I am running ...
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340 views

Ubuntu Server 12.04: can't write to nfs share

I have installed a small home server running 12.04, now trying to configure an NFS share with Webmin version 1.620. I have gradually lowered the security on the share to basically nil, yet any write ...
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0answers
518 views

Xubuntu 12.04 freezes before login on splash screen [closed]

Before you mark this as a duplicate for this What should I do when Ubuntu freezes? note that it is for issues after login, not before. I have tried previous versions of the kernel, Alt-F2, ...
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1answer
900 views

How does 13.04 stack up to 12.04 in terms of battery life? [closed]

I've been having some issues with battery life, perhaps due in part to the age of the battery, but I'd like to squeeze out every last minute I can. I've heard that 13.04 is developed with mobile ...
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2answers
30k views

Nvidia driver installed successfully, but not activated

My Ubuntu 12.04 only shows up black screen when starting up some days ago suddenly. Since I can desktop through recovery mode (resume in recovery mode, and the resolution is wrong), I believe there's ...
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1answer
130 views

Permission Denied (public key)

I have a Ubuntu server and another Ubuntu desktop... When I used ssh abc@123.456.78.9 it just shows Permission Denied (publickey). I have already set these to PasswordAuthentication no and UsePAM no, ...
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4answers
9k views

Can't install MariaDB 5.5 or 10 in Ubuntu 12.04. MYSQLD Failed to start?

I tried o install MariaDB on my Ubuntu 12.04 server. First it gave dependency issues and I fixed it by following this question : ...
2
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1answer
97 views

Zombie process during start

My laptop (12.04 and W7) will not start in Ubuntu any more. The login screen (black) appears after Grub. It says. When I enter my name and password I enter "a terminal" and I can't get any further. ...
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2answers
170 views

12.04.2 i386 gets downloaded instead of 13.04 amd64

I've been trying to download the latest release from the website, but even though I'm selecting 13.04 64-bit as my option, the download begins for 12.04.2 32-bit. Any ideas as why this is happening? ...
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2answers
5k views

Can/Should I upgrade my Linux kernel from Precise 12.04.2 to Raring 13.04?

I'm running 12.04.2 through regular updates. Installed 12.04.1. After 12.04.2 was released I made an upgrade of XServer & Linux kernel. So now I'm running Precise with Quantal kernel and XServer. ...
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1answer
995 views

How can I solve performance problems of Ubuntu 13.04?

I was using 12.04. I upgraded to 12.10 and then to 13.04 on the day 13.04 was released. I have also installed GNOME 3.8 with gdm. I'm facing some problems using 13.04. It takes a lot of time to boot ...
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0answers
280 views

Upgrading from 12.04 to 12.10 resulted in boot process sticking with “The disk drive for /dev/mapper/cryptswap1 is not ready or present” [duplicate]

I just performed an upgrade from 12.04 to 12.10, and everything seemed to go as expected. As the upgrade was finishing I was asked to restart the computer, which I did. Once I restarted, however, the ...
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1answer
416 views

Make a script run at startup

First of all,sorry for my bad English. Im using Xubuntu 12.04 on Acer Aspire One D270.My Screen brightness hotkeys (Fn+L/R) dont work.I installed xbacklight but it always shows "No outputs have ...
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2answers
27k views

Unable to locate package when running apt-get

I installed rvm and it tells me I'm missing some packages: viggy@viggy:~$ rvm requirements Installing requirements for ubuntu, might require sudo password. Skipping `apt-get update` make sure your ...
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1answer
856 views

How to setup network on a small LAN

I have a small network with populated with 4 or 5 machines all on the same router. At this time I'm developing software so the router is connected to the internet but when deployed this will be a ...
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0answers
32 views

Is there something Limits the CPU usage for a process and its Children [duplicate]

i was wondering about something like CPUlimit to limit the process CPU usage but i am aiming to apply the same percentage of usage for its children processes too automatically without adding them ...
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1answer
1k views

wifi is very slow, card RT5390

I've brand new ASUS X501A and Ubuntu 12.04 (and i'm bad in Ubuntu) and the WiFi is extremely slow - 1Mb/s. WiFi chip is RT5390. I tried everything i found in the net, so i need step by step ...
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1answer
6k views

How to change locale for Wine only?

(Note this is a different question from this one) This is the output of the "locale" command on my machine: LANG=en_GB.UTF-8 LANGUAGE= LC_CTYPE="en_GB.UTF-8" LC_NUMERIC=en_US.UTF-8 ...
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2answers
191 views

Which's better for WINE?

I have a little question: Which version of Ubuntu works better with WINE? The actual version (13.04) or LTS? (12.04) Because I'd like to play MTA San Andreas in Linux and the most of people says I ...
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1answer
119 views

12.04 system keeps on hanging on "setting up gconf2

Since the update today dpkg and apt are both broken, and when I try to use them it recommends running: sudo dpkg -configure -a which then starts configuring gconf2 (3.2.5-0Ubuntu2) and ...
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2answers
1k views

should i install the .deb or .tar.gz? [duplicate]

Please pardon the elementary question. I'm going through this tutorial. I would like to install hadoop on vm ubuntu 64 bit. I would like to know whether I should be downloading the .deb file or ...
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1answer
1k views

How to uninstall Heroku?

I installed Heroku using wget -qO- https://toolbelt.heroku.com/install-ubuntu.sh | sh Please tell me how to uninstall Heroku?
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28 views

Is there Unity3D Webplayer for Ubuntu? [duplicate]

There are many games built on Unity3D, but I can't find unity webplayer for linux. unity for windows
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3answers
4k views

Configure wacom ExpressKeys to click

I've just bought an Intuos5 tablet and going to use it for some map digitizing under Ubuntu Linux 12.04 and 13.04. Map digitizing is quite different than sketching - I need to position the cursor ...
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36 views

Upgrading to 12.04 to 13.04 [duplicate]

I tried to upgrade from 12.04 to 13.04 but it's not working. Looks like it see 12.10 as the next version. I can play around with some hacks but what's the officially supported way of upgrading from ...
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0answers
74 views

Is possible to update from 12.04 to 13.04? [duplicate]

the only option update manager gives me is to update to 12.10 Do I have to update to 12.10 in order to get 13.04?
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2answers
4k views

unable to mount windows partition

I can't mount the windows 8 partition. I have shut it down properly. When I try to open up in devices, it gives me the following error: Unable to mount 413 GB Filesystem Error mounting: mount ...
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1answer
10k views

Command “apt-get-repository” doesn't work on Ubuntu 12.04 [closed]

I'm trying to install Libreoffice 4.0 on Ubuntu 12.04. I try to begin with add the repository. sudo add-apt-repository ppa:libreoffice/libreoffice-4-0 I get this output: sudo: apt-get-repository: ...
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3answers
6k views

Convert .mov files to Home theater Compartible MP4

I have bunch of mov files and I want to Play them on my Sony DVD Home theater (XVid/HDMI capable) but I cannot. I have tried different configuration in WinFF (ffmpeg frontend) but does not work. The ...
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1answer
723 views

BCM 4312 LP-PHY card doesn't detect any wireless networks

I installed ubuntu 12.04 on my dell inspiron with BCM4312 802.11/b/g (LP_PHY) wlan card,installation was followed by errors about missing firmware so to fix it i installed ...
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0answers
373 views

Ubuntu won't shutdown using integrated GPU (Vaio VPCSB)

I have a Sony Vaio VPCSB1D7E (W7 + Ubuntu 12.04). It has hybrid graphics (AMD+Intel). I installed both the AMD Catalyst drivers and the Intel ones. So far, using both graphic cards works fine, but I ...
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0answers
147 views

Upgrading to 12.10 and 13.04 [duplicate]

Last week I tried to upgrade from 12.04 LTS to 12.10 and it stopped loading ubuntu. I had to do a full uninstall and reinstall 12.04 onto my dual boot windows 8 system. I didn't figure out why it did ...
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1answer
144 views

12.04.2 Install/reboot problem

I downloaded 12.04.2 LTS and burned the iso to dvd, dropped it into the dvd drive then restarted my computer. Everything worked fine and the install process went thru without any errors UNTIL it got ...
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1answer
216 views

sudo su automatically

It is possible to log in automatically as root after typing sudo su - without entering password again? I know it is not safe, but I want this behavior just for specific IP addresses Thank you, Alex
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237 views

Need to reboot twice when Ubuntu 12.04.1 mdadm RAID1 degraded

I'm testing mdadm RAID1. I'm using two HDD. Created / (/dev/md0 with /dev/sda1 and /dev/sdb1) and swap (/dev/md1 with /dev/sda5 and /dev/sdb5) After OS installed. I removed one HDD and reboot the ...
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1answer
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webcam installation on HP Probook

I am using HP Probook 4520s . My laptop have webcam (Camera Inside) , but I can not reach it and use webcam anyway. How can I install or reinstall webcam?
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1answer
150 views

Gnome 3.4 partially or totally freeze [duplicate]

I'm using an Ubuntu 12.04 LTS. Since, I discovered that there are other desktops on Ubuntu, rather than Unity, I installed Gnome 3.4. But it freezes time by time, when I run many applications or ...
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1answer
101 views

unable to see the desktop after installing 12.04 32bit in virtual box just logging into cmd interface

i am using win7 ultimate 64bit my processor is amdfx6100 motherboard is asusm5a78l-m/usb3 so can u suggest which version of ubuntu will work for me and in which software such as vmware ,virtual ...
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926 views

How can I get my western digital hd to work?

The program in the hd won't respond to the cursor.
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1answer
7k views

How to upgrade from Ubuntu 10.04 to 12.04 (when 'Fetching the upgrade failed')? [duplicate]

I've been running an Ubuntu desktop for a couple of years. I regularly update the security and recommended updates via Upgrade Manager. However it seems I didn't have Upgrade Manager set up to tell me ...
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1answer
2k views

Not able to install Ubuntu 12.04 in VMWare workstation 9 - Operating System not found Error

Getting this error Operating System not found when trying to install unbuntu through ISO file . If i install with the option of giving the path to the iso image stored on my system. I get a message ...
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0answers
2k views

Bridge networking is not working in virtual box 4.2.8 with ubuntu 12.04 host and ubuntu 11.10 guest

Very good article but there is a problem for me. I am using virtual box 4.2.8 with ubuntu 12.04 host and ubuntu 11.10 guest. I am unable to setup bridge networking beetween host and guest. here i am ...
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How to make programs minimize when you click on them on the launcher [duplicate]

I am running Ubuntu 12.04 LTS. I just want the programs to minimize like they do on the Windows 7 taskbar, if that gives you a idea of what I am talking about.
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147 views

Why I can not login after set the path envrionment variable

I am using the 12.04LST, and I am trying to install the oracle jdk7 manually. Then I update the /etc/environment to set the PATH variable. This is the original file content: ...
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320 views

Dell XPS 15Z - 64 Bit OS not installing, but a 32 bit OS will install

I have the following system: Dell XPS 15Z i7 Core Processor 16Gb of RAM 2Gb NVidia Card This system is well capable of having a 64 bit OS on it. At first I thought it was just a bad image ...
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1answer
160 views

Logging out leaves the display in a garbled state, unable to restart X, or switch to text console

I have a problem with Ubuntu 12.04. I am running on a Zotac Z68ITX motherboard, which has both a NVidia graphic card GT430 onboard, and a Intel integrated one on chip. I set the PGE/PCIEx option in ...
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2answers
336 views

Is it possible to replace my workspace switcher icon with an icon-sized “expo”?

Basically, I want to take what's displayed on the desktop when I hit super+s, shrink it down to icon size, and replace the default Workspace Switcher icon with it in Ubuntu 12.04's launcher and still ...
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184 views

Dolphin file manager stops working after mounted samba server was turned off (unexpected action?)

I had mounted my samba share by editing file /etc/fstab It works, I can use resources on remote system as well as on my hdd. However, if I turn off my samba server, dolphin (as I noticed) stops ...