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
2answers
6k views

How do I enable the Nvidia Geforce GTX 570?

I just installed 12.04, it was running smoothly and I downloaded and installed all the recommended updates. After checking the details pane of the System Settings window I noticed that the GTX 570 ...
1
vote
3answers
10k views

Grub menu doesn't appear

I'm using windows 7 and I installed Ubuntu 12.04 along side with it by creating a new 60 GB partition. It installed perfectly and then I restart the PC. I can't see the grub menu that let me to choose ...
1
vote
1answer
13k views

Ubuntu 12.04 upgrade - top/side bar missing [duplicate]

Possible Duplicate: Lightdm won't start Unity automatically My computer boots to a black screen, what options do I have to fix it? I have gone through all of these questions on here ...
1
vote
0answers
3k views

Remove Entries of previously installed windows with wine [duplicate]

In my previous version, in Natty I think, I installed MS Office and some other windows software via wine. They have cluttered a lot of places including the Open with and other mime related operations. ...
1
vote
1answer
8k views

How do I install Cacti 8.7i with PIA 3.1(Plug In Architecture) for 12.04 Server LTS?

I am planning to upgrade my current 9.04 server version to 12.04LTS server. I've successfully backup and restore my Cacti version 8.7d to 8.7i that comes with the distribution. However, the plugin ...
1
vote
2answers
6k views

How to upgrade the Linux mainline 3.3.6 kernel?

I want to install the latest stable Linux Kernel 3.3.6. Can someone please help me with a step by step guide? Thanks in advance BTW I'm on a 64bit system and I have downloaded the following ...
1
vote
2answers
3k views

Always boots into 2D mode

I have Ubuntu 12.04 and initially choosing normal Ubuntu at login gave me Ubuntu 3D. However, for a few days now, selecting either Ubuntu or Ubuntu 2D gives me 2D: ~$ echo $DESKTOP_SESSION ubuntu-2d ...
1
vote
1answer
7k views

How do I make sure the driver for a TP-LINK tl-wn727n is loaded on boot?

Last week I bought this adpator and had trouble getting it to work. New TP-Link TN-WN727N usb wireless stick, how do I get it working? but thanks to some help got it running. However the main issue ...
1
vote
2answers
3k views

Which option should I choose while Installing Ubuntu 12.04 along with Windows 7 x64?

This image shows the options that I can choose. Which should be the best and minimal to install Ubuntu 12.04 along with Windows 7 x64. If you can explain things using screen-shots it will be better. ...
1
vote
0answers
3k views

How to install Intel graphics HD 3000 drivers? [closed]

I have a Toshiba Satellite R830 which have a Intel graphics HD 3000. But Ubuntu 12.04, like previous versions, does not recognized it. How can I install the correct drivers?
1
vote
2answers
2k views

marble mouse middle click fail in 12.04

On recently upgrading to 12.04, I find that the middle click with my logictec marble mouse doesn't work any more (formally achieved by clicking both buttons). Anoying since I can't do a middle-click ...
1
vote
2answers
2k views

12.04 system always freezes [closed]

Bueno, quisiera decirles que tengo varios problemas con Ubuntu 12.04, se me quedaba congelado todo excepto el mouse, si reproducía música esta se seguía escuchando pero la imagen seguía así mismo, ...
1
vote
3answers
2k views

Dodo USB Modem (Alcatel 'OneTouch X220L') not working since update to 12.04

I have a dodo USB modem in which I had used perfectly fine in 11.10. When I first installed Ubuntu I plugged the USB modem in and it worked perfectly as is. However, since the new update it will not ...
1
vote
1answer
2k views

Need USB drive to boot aspire one into Ubuntu

I just installed 12.04 LTS onto my Acer Aspire One from a USB thumbdrive, and I cannot reboot unless I boot from the USB drive. If I have the USB drive plugged in, it boots, and it looks like the ...
1
vote
1answer
2k views

Installer Only Recognizes 801GB of a 3TB RAID1 Array

I've been searching as best I can for this precise problem, but the only place I found it exactly was here, and I don't think that the OP ever got an adequate answer. Most of the issues I've seen ...
1
vote
3answers
3k views

12.04 on Mac Mini 4,1?

Is Ubuntu 12.04 usable on Mac Mini 4,1 machines? The Ubuntu Mactel support pages seems to be rather out of date (they list 10.04 as the latest supported, but 11.10 runs just fine).
1
vote
2answers
1k views

Is there a wubi installer for the ubuntu DVD version?

These days my heart pumps more blood to itself because of Ubuntu 12.04 release. I would like to download it about two or three days later.we know there is a wubi for the cd version included. I want to ...
1
vote
1answer
1k views

How to get MIDI output from a Windows application via Wine

I develop a windows application and am curious whether it works via Wine. The application runs fine with Wine but I get no sound. In fact, I'm not sure whether my ubuntu installation has MIDI ...
1
vote
1answer
1k views

Multi-screen and Nvidia GT220

Excuse me first for my broken English I have 3 monitors on two Nvidia GT220. Unity 2D works fine after using the proprietary drivers. But no way to use compiz effects. I'm on Ubuntu 11.10 (I also ...
0
votes
0answers
40 views

Ubuntu 12.04 Network connection fail

I'm new to Linux and just installed Ubuntu 12.04.5 LTS (because I was told to use this version.) Anyway, the installation was successful, but I don't have an Internet connection. I've tried to google ...
0
votes
2answers
178 views

ubuntu on tonbux 10 inch tablet [duplicate]

I am a big fun of ubuntu. I recently bought a tonbux tablet 10 inch with android. I have tried to install ubuntu on it but I don't seem to be able to unlock the device, has anyone tried this before ...
0
votes
1answer
2k views

how to tell ubuntu to use python 3.4 instead of 2.7? [duplicate]

I have python 2.7 and 3.4 versions installed. But when I say say "python -V", it shows version as 2.7 not 3.4 How to tell ubuntu to use newest python? where is this setting configured ?
0
votes
1answer
532 views

How can I block users to change wallpaper (under Unity in Ubuntu 12 and 14)?

Well, that's my question. I can't find a way to block users from change my institutional wallpaper. I have some PCs running Ubuntu 12.04 using Unity and others running Ubuntu 14.04 using Unity. I ...
0
votes
0answers
301 views

Problems with Nvidia drivers 173 with Ubuntu 12.04

I tried to install Ubuntu 14.04.01, but I ran into serious problems (details here) I have installed 12.04.05 instead, but I still have serious problems. After installing I reboot, the system starts ...
0
votes
1answer
240 views

Can not upgrade from 12.04 using update manager

Is there a special method to upgrade from 12.04 to 14.04? When I try to upgrade from 12.04 using update-manager -d I receive the following error message: fetching upgrade failed. There may be a ...
0
votes
3answers
570 views

Installing 2 versions of Ubuntu on same hard drive?

I have a dilemma and I don't know what to do. Currently I have Ubuntu 14.04 64 bit installed along side Windows 7 64 bit and everything works wonderfully. I recently started a course about ...
0
votes
1answer
575 views

Ubuntu 12.04 with Intel Corporation Wireless 7260 (rev 73)

*-network UNCLAIMED description: Network controller product: Wireless 7260 vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 version: 73 width: 64 bits clock: ...
0
votes
2answers
4k views

How to uninstall programs in ubuntu if they are not in Software Center? 12.04

I've installed a program through the terminal, the program is Cuttlefish. Now I want to uninstall it and I can't find it in teh software Center. How can I do it? Thanks!
0
votes
1answer
112 views

Everytime I start Ubuntu or change sound settings my volume is put to 100%

Problem Every time I've logged into my Ubuntu desktop the volume is set to 100%. Except it doesn't state it's at %100 in the icon, and when I do change the volume it suddenly remembers the setting ...
0
votes
1answer
82 views

Need advice installing Ubuntu on 2nd storage drive for windows 7 computer

Basically I have 2 drives on my pc. One SSD with win 7 OS and most apps it would utilize. My 2nd drive is a 1TB SATA 3 that only has basically steam apps and a few odds and ends like downloads. I ...
0
votes
1answer
2k views

Dell Latitude D830 Driver Questions

A friend of my asked me to put Ubuntu 12.04 LTS onto his old Dell Latitude D830 Laptop. I installed the OS but I have a few problems. I have no idea how to install the graphic drivers and set it up ...
0
votes
1answer
323 views

ImportError: No module named unstable

I get the following error when I execute the gui.py script on my newly installed Ubuntu 12.04 LTS. Please help as I have recently started using Ubuntu, I am not too good at debugging yet. I get this ...
0
votes
1answer
2k views

Lenovo ThinkPad s440 network

Does anybody know how to configure Wi-Fi on a Lenovo ThinkPad s440 with Ubuntu 12.04 LTS? I can't configure it even with LAN. Wi-Fi is the first thing I need. I can't find any drivers for Linux. As ...
0
votes
1answer
78 views

Server disk encrpytion prevents connection after SSH remote reboot

newbie here. I am running Ubuntu Server 12.04 LTS on an old machine for a home server project using a static IP address. Running OpenSSH server on it enables me to connect remotely from my Windows7 ...
0
votes
1answer
2k views

Installing Ubuntu 12.04 / 13.10 on G505 laptop with AMD A4-5000

I've tried 6 different distros and I can't find anything that's stable with the G505 with AMD's a4-5000 kabini processor. In BOIS I have disabled secure boot, set OS to other, enabled SVM but left ...
0
votes
1answer
15k views

unable to load shared object wrong ELF class: ELFCLASS32

I have a linux server with x86_64. I'm compiling an R code that needs to load a bibliblioteca. When I run this code it displays the following error has Error in dyn.load ("functions.so"): Unable to ...
0
votes
1answer
4k 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 ...
0
votes
1answer
266 views

please help asus f5rl wifi cannot connect

i am a newbie on ubuntu. here are the details Output of lspci: 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC410 Host Bridge (rev 01) 00:01.0 PCI bridge: Advanced Micro Devices, Inc. ...
0
votes
2answers
3k views

Upgrading from 12.04 to 12.10 not booting [duplicate]

I tried to upgrade from 12.04 to 12.10 as per the official documentation. When the system is rebooting, it showed as Ubuntu ( logo) and now in the blank black screen from past one hour. I tried to ...
0
votes
2answers
3k views

No Wireless in Dell Inspiron 1521 with 12.04

I recently bought a Dell Inspiron 15 3521 with Windows 8 pre-installed, and installed Ubuntu 12.04 on it. The wireless is not working on it. I have tried a lot of methods available at the forums, but ...
0
votes
1answer
2k views

Wubi is downloading file but I have full ISO [duplicate]

I have "ubuntu-12.04.2-desktop-amd64.iso" and my PC has Windows 8 installed. In my previous windows i.e "Windows 7" I used Wubi to install ubuntu 12.04.2 and installed and work correctly. Now I try to ...
0
votes
2answers
1k views

Dual Boot - Grub2 not detecting Ubuntu Server (10.4, 64 bit) after installing Ubuntu Desktop (12.04)

Requirement I have a computer which runs Ubuntu 10.4.3 (64 bit server) installed over LVM and /boot filesystem and I wanted it to dual boot to Ubuntu 12.04 (desktop, 32 bit). Completed Successfully: ...
0
votes
0answers
4k views

E: Malformed line 57 in source list /etc/apt/sources.list (dist parse) [duplicate]

Hi guys I've just got this error message when i opened update manager: E: Malformed line 57 in source list /etc/apt/sources.list (dist parse) any ideas how to solve this problem?
0
votes
1answer
2k views

How can I delete my printer from Ubuntu?

Using 12.04 my printer a canon ip2600 will not print. SystemSettings/printers shows it as installed, connected to local host, enabled, accepting jobs, shared and allowing printing for everyone. Yet ...
0
votes
2answers
2k views

32-bit or 64-bit [duplicate]

I'm installing 12.04 on to my desktop. I just have a question on which version is better for my hardware. My specs are: Processor: Intel Core i5 2400 @ 3.10GHz Sandy Bridge 32nm Technology ...
0
votes
1answer
3k views

Error Creating .deb File of AMD Catalyst Driver

I was following the steps to install AMD Catalyst Driver from wiki.cchtml.com. While I was creating the .deb file the following error occured-- $ sudo sh ...
0
votes
1answer
2k views

Can't boot into ubuntu after installing

I just installed Ubuntu at my HP Pavillion H8 computer with 8gb RAM and a Intel Core i7 CPU, and for some reason I can't boot into Ubuntu. When looking in the msconfig boot menu, the only OS listed is ...
0
votes
1answer
707 views

KDE overrides lightdm logon screen [duplicate]

Possible Duplicate: How do I install KDE and retain LightDM as a login manager? I upgraded my KDE desktop and suddenly it overrode many parts of unity user interface such as menus, icons, ...
0
votes
1answer
1k views

Ubuntu 12.04 does not boot after installation appears to succeed

After successfully installing ubuntu 12.04 on a Sony VAIO SVE14115FN (E series) it's not booting up. Just displaying an error: "Operating System Not Loaded" Please help me in this.
0
votes
2answers
305 views

Error trying to upgrade from 10.04.4 to 12.04

Today i wanted to upgrade to 12.04 and I checked my update manager. But it it not showing the upgrade option. How can i upgrade? im using 10.04.4