Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Will go End Of Life (EOL) April 2017. Only use this tag if your question is version-specific.

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2
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5answers
8k 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 ...
1
vote
0answers
100 views

Seeing Double Vision Display

I dumped Windows XP using the Ubuntu disk on my Dell Inspiron 1100. After Ubuntu 12.04LTS installed and I rebooted, the display of Ubuntu seems to repeat itself. So I have two display screens, and ...
0
votes
1answer
13 views

How to fetch binaries a package will install?

Given a package name that is not installed (binutils is installed and binutils-gold is not in my case), how to figure out what binaries it is going to install? dpkg -l binutils* Above lists out ...
7
votes
3answers
11k views

Can I make my desktop icons smaller?

I would like to make all my desktop icons slightly smaller. I know I can do each one manually but that is impractical given I create and destroy about 20 files a day on my desktop. I need an answer ...
0
votes
0answers
15 views

Power Failure on Software RAID 10: is automatic resync enough?

I had a power failure on a server (Ubuntu 12.04.3 LTS ) with a raid 10 array. When I restored the power, in dmesg there was the message: md/raid1:md1: not clean -- starting background reconstruction ...
2
votes
1answer
207 views

Dependency Is not satisfiable : libstdc++6 (>=4.8.0) [duplicate]

When I try to install Chrome through the Ubuntu Software Center, I get the message Dependency Is not satisfiable : libstdc++6 (>=4.8.0) How can I fix this? I am running Ubuntu 12.04.
0
votes
1answer
6k views

How can I get my wifi to work on my Dell 3521 laptop?

I have installed ubuntu 12.04 alongside windows 8 in my DELL 3521 laptop and everything is working fine except the wi-fi in ubuntu. In win 8 wifi is working well but when i start ubuntu it does not ...
0
votes
0answers
11 views

Upgraded to 12.04 and can't log in to Firefox

I use a desktop computer. After upgrading Ubuntu to 12.04, I was/am no longer able to log into Firefox. I went to All Settings|User Accts. I am listed as the Administrator; under Login Options is the ...
1
vote
2answers
2k views

CUDA nvprof profiler in 12.04

I have the latest CUDA toolkit and drivers installed on a 12.04 server. The drivers are working fine: all the NVIDIA sample code compiles and runs and I've written, compiled, and run several CUDA ...
15
votes
8answers
95k views

500 OOPS: vsftpd: refusing to run with writable root inside chroot() Keep user jailed

Before you close this out to repetition, I have been researching all of the proposed solutions to this bug and so far I have been unable to keep a FTP user jailed to their website directory. While I ...
0
votes
1answer
6k views

What should the correct path be for my CD/DVD drive in 12.04 and how do I change it?

After a fresh install of 12.04 on a dell Inspiron 530 when right clicking on the CD/DVD drive and selecting properties it indicates for location: "///" Obviously this drive does not work. Whats the ...
0
votes
0answers
29 views

How does apt-get upgrade work

Do I have to put Debian package (different versions) in the same repository in order to upgrade it? Currently, I put the packages in different repositories. Add one repository (for older version) and ...
0
votes
1answer
19 views

arabic language are displayed as question mark

I have ububntu 12.04 installed. and despite i installed the arabic language from langauge support, when I open an application all the arabic language in its interface are displayed as queston mark. ...
1
vote
1answer
2k views

Installing WMIC on Ubuntu Server 12.04 LTS

Has anyone had any luck installing wmic (wmi client) under Ubuntu Server 14.04 LTS? I tried following the document http://techedemic.com/2012/11/05/installing-wmic-in-ubuntu-12-04-lts-64-bit-desktop/ ...
3
votes
5answers
8k views

How to change the default webcam? Changing dfaults in Multimedia selctor not working

I have Logitech c920 set up. With help from an experienced AskUbuntu user, I installed GUVCview, Video4 linux control panel, and QT V4L2 utility tester on here. I am able to change from my Toshiba's ...
4
votes
2answers
927 views

Why does Ubuntu, sometimes, fails to load?

I recently installed Ubuntu 12.04 LTS on my SONY VAIO VPCEH (with Windows 7 Home Basic previously installed). Sometimes when I boot in Ubuntu, following things happen: Ubuntu loading screen seems ...
6
votes
3answers
3k views

Online upgrade from 12.04 to 14.04 stuck

I was trying to upgrade my Lenovo T500 laptop from Kubuntu 12.04 LTS to Kubuntu 14.04 LTS. Fired up the upgrade process, and finally after downloading a zillion packages the upgrade got going, only ...
0
votes
0answers
18 views

Error in installing p7zip-full p7zip-rar from command line [duplicate]

On giving the following command on the Command Line, sudo apt-get install p7zip-full p7zip-rar I got this error: The package lists or status file could not be parsed or opened. Can anyone help ...
4
votes
5answers
34k views

MySQL Access denied for user 'root'@'localhost'

In my server, everytime I try to access MySQL I get the error: Access denied for user 'root'@'localhost' (using password: NO) when I try mysqladmin -u root -p password I get Access ...
1
vote
2answers
4k views

How do install Ubuntu over Windows7?

I have successfully installed Ubuntu 12.04 but I didn't see the windows outlined by the numbered installation walk-through: http://www.ubuntu.com/download/desktop/install-desktop-long-term-support I ...
1
vote
1answer
4k views

With Kernel 3.5.0-21 the wireless card Realtek RTL8723AE-BT stop working

Yesterday, I updated my Ubuntu 12.04 to the Kernel 3.5.0-21 and the wireless card stop working... In other threads I saw the same problem with another kernels. Anyone have the new driver? I sent a ...
1
vote
3answers
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 ...
3
votes
2answers
4k views

Why do I get disk I/O errors booting the 3.2 kernel on a xen vps server?

I have a xen vps, which I just upgraded to the new LTS 12 Precise Pangolin. However, I see this error on booting: [ 12.848076] end_request: I/O error, dev xvda, sector 12841 [ 12.848093] ...
0
votes
2answers
50 views

Making a bootable 12.04 Ubuntu Image on a flash drive

Downloaded ubuntu-12.04.5-desktop-amd64.iso.torrent from http://www.ubuntu.com/download/alternative-downloads. Downloaded Universal-USB-Installer-1.9.6.3.exe from ...
5
votes
2answers
3k views

keyboard shortcut gnome-terminal (ctrl-tab) and (ctrl-shift-tab) in 12.04?

Keyboard shortcuts in gnome-terminal (Ctrl+Tab and Ctrl+Shift+Tab) in 12.04 don't seem to be working. Is there a setting that I dont know of?
1
vote
1answer
41 views

Ubuntu Server 12.04 LTS: Can't manage to run my wireless connection

I've just installed Ubuntu Server 12.04 LTS and during the installation, I've set up SSID and WPA key and the installer seemed to accept it. However after booting the system there is no connection. ...
0
votes
0answers
37 views

Unable to connect to WiFi after the upgrade to Ubuntu 14.04 LTS

I was previously running Ubuntu 12.04.5 LTS and have just upgraded to Ubuntu 14.04 LTS, and after the upgrade my WiFi driver is no longer working. I know that is vague, so for further insight what I ...
0
votes
2answers
19 views

php5-common package unmet dependency

I went to update the distribution of Ubuntu so I ran Terminal, entering apt-get dist-update and got this error: php5-mysql depends on php5-common (= 5.6.21+dfsg-1+donate.sury.org~precise+1); ...
0
votes
1answer
5k views

Changing resolution in Ubuntu Server 12.04

I'm a linux newbie and I've now tried lots of different ways of doing this, but every single one fails somewhere - usually because they pertain to Ubuntu desktop rather than server and rely on ...
0
votes
1answer
20 views

How can I stop wicd from starting at boot time?

I am using Ubuntu 12.04 LTS and I have installed something that starts automatically in full screen when Ubuntu starts, but I have a problem with wicd. wicd always starts first even it is connected to ...
0
votes
2answers
4k views

Asus Zenbook UX31E heats up and fan works constantly with 12.04

I bought the Asus Zenbook UX31E a few days ago and installed Ubuntu 12.04. Everything works well, but the CPU temperature (and overall the machine) seems too hot and the fan works too often, even with ...
0
votes
0answers
32 views

Ubuntu Installing problem

How to Install ubuntu without Delete paritions just remove Windows and install Ubuntu? Please Guide me In complete's Steps. Currently i use windows 8.1 pro and first one is primary drive and other ...
3
votes
2answers
18k views

Boot into Ubuntu from Android Tablet with Live USB Drive

I have an Android ASUS Slider tablet. I have successfully installed UBUNTU to an 8GB thumb drive. I would like to boot into the thumb drive the same way I do with a windows system except I would like ...
0
votes
1answer
23 views

Wanting 12.04 LTS day one reset to zero on celeron

Wanting to day one reset my Ubuntu 12.04 LTS to day zero. I actually want to wipe everything, to say I made a mess some where is stating the obvious. My update manager says some updates must have not ...
1
vote
1answer
6k views

Validity Fingerprint Sensor not detected

I have a VFS471 Validity Fingerprint driver that is not detected in my HP Probook 4530s. Can someone help?
1
vote
3answers
4k views

Ubuntu 12.04 does not shutdown

I am using Ubuntu 12.04 amd64 desktop. It worked fine, but after the last update, the system does not shutdown. It gets stuck with the last line on the screen being: unmounted /kernel/debug I ...
2
votes
1answer
20k views

Ubuntu 12.10: Package libc6-dev-i386 is not available

I'm building 32 bit boost thread libraries on 32 bit Ubuntu 12.10. When building I get the error /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory I googled the problem ...
14
votes
4answers
15k views

How do I mount an encrypted /home directory on another Ubuntu machine?

I've done something a bit, well, strange. I installed Ubuntu 12.04 directly onto a USB thumb stick, encrypting the /home directory as given the option during the install. The filesystem is btrfs, I ...
0
votes
0answers
28 views

12.04 to 14.04 on HP 455

I bought an HP455 G2 laptop which comes with 12.04 pre-installed. So I tried to upgraded to ubuntu 14.04 however this failed with multi errors, the touchpad became unusable, along with sound, wifi ...
0
votes
5answers
9k views

How do I set resolution to 1440x900 with Nvidia?

I have an Nvidia GeForce 9800 GT card and suddenly after some recent updates on 12.04, I am unable to get my resolution higher than 1024x768. It used to be 1440x900. I have tried uninstalling and ...
1
vote
2answers
5k views

How to install dssp (secondary structure assignments) under 12.04?

I am trying to install dssp on ubuntu 12.04. I am new to ubuntu. I tried this sudo apt-get install dssp Please give suggestions.
0
votes
2answers
4k views

Brightness options in Ubuntu 12.04 desktop missing

I am unable to change the brightness of my desktop screen using this path. System settings{top right corner of the screen)>Under Personal Brightness & lock.No option to change brightness is ...
2
votes
3answers
19k views

GNOME-Boxes vs VirtualBox

Which would be a "faster" more "responsive" virtual machine software? GNOME-Boxes or VirtualBox?
0
votes
1answer
37 views

php.ini per-directory won't parse (using FastCGI)

Ubuntu 12.04 Apache 2.2.22 PHP 5.3.10 [running as libapache2-mod-fcgid] [trying to match a development server vs. my web host] I managed to get fcgi to work using a wrapper and have registered the ...
4
votes
3answers
12k views

Ubuntu 12.04 does not recognise CD

~$ wodim --devices wodim: Overview of accessible drives (1 found) : ------------------------------------------------------------------------- 0 dev='/dev/sg1' rwrw-- : 'MATSHITA' 'DVD-RAM UJ8B1AS' ...
0
votes
1answer
12 views

Can no longer access contacts in Evolution

A couple of weeks ago, when I tried switching to the Contacts tab of Evolution, the entire application froze. Well, that sometimes happens with Evolution – so I simply called killev, also took care ...
2
votes
1answer
4k views

Dual Screen will only mirror after 12.04 upgrade

I have been using Ubuntu with a dual screen for years now, after upgrading to 12.04 LTS i cannot get my dual screen working properly Graphics: 01:00.0 VGA compatible controller: Advanced Micro ...
0
votes
1answer
8k views

Restore Xorg core and config files ubuntu 14.04

This question is a follow up on this one. I have recently upgraded from Ubuntu 12.04 to 14.04 and xserver broke during the process. I have tried reinstalling from the command line running the ...
0
votes
1answer
31 views

How to start Ubuntu 12.04 VM after disk resize

My Ubuntu 12.04 installed on Oracle vm and Hard disk is full. I have increased the size of hard disk. But it is not able to start. It is showing blank only with small cursor.
3
votes
3answers
13k views

How to uninstall a firefox plugin?

I was trying to play minecraft in the browser, and I got asked to install a plugin called "IcedTea-Web Plugin (using IcedTea-Web 1.2 (1.2-2ubuntu1))" (something related to Java 6), which I can see now ...