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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can't ping any site from my ubuntu server

I already installed ubuntu server 12.4 in my virtual box and I fix static Ip but I can't ping to any site like google.com from my server and when I change to dhcp every thing well be fine , please I ...
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volume range levels on laptop

I have a dell latitude e6420 laptop. The problem is I have to raise volume up to 30% to hear something, but with windows 7, only 1% to barely hear, which is good, but with ubuntu even 100% is low ...
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Failed to load session “ubuntu” - recommends plymouth-theme-ubuntu-logo

Whenever i try to log into Ubuntu 12.014LTS, I get this message in my log in screen: Failed to load session "ubuntu" When trying to log in via the command-line interface and installing the Ubuntu ...
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1answer
22 views

Enable WiFi on Ubuntu 12.04 Lenovo Thinkpad E440

I have Lenovo Thinkpad E440. Just now I installed Ubuntu 12.04 LTS. Problem is Wifi is not enabled on this Ubuntu, only wired internet is enabled. So please help me how to enable Wifi on this ...
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22 views

Installing Ubuntu 14.04.2 LTS Issues

I am trying to instal Ubuntu 14.04.2 LTS from a USB however I am having issues. Hardware; Dell Optiplex 160GB WD HD 6GB RAM Intel core 2 duo 64 bit I had Ubuntu 12.0.4 installed until ...
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5 views

How to connect USB touch screen with Ubuntu

I want to connect USB touch screen with ubuntu 12.04 desktop. Is there any device which can be used easily in ubuntu. The word Easaily can be that it can be used without any additional device driver ...
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11 views

Catastrophic GUI breakdown and feezing

I'm experiencing catastrophic GUI breakdowns and freezing with my Ubuntu machine. It also randomly freezes but the time it takes from booting to freezing is different everytime. Observation so far ...
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1answer
22 views

How to access sda4 device/directory?

Our camera DVR is not recording anymore. The disk is full and the vendor has not been helpful in freeing up space. I am trying to figure out why the primary disk is full. I've tried accessing it ...
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1answer
23 views

Unknown file system, unable to boot from live cd

Facts are, I used to have a dual boot linux and windows 7. Tried to make grub handle bootloader, messed it up, nothing works now. I get grub rescue right from the off. No way I can boot into any ...
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1answer
14 views

Error for wireless request “Set Frequency” (8B04) :

I have setup a monitoring interface using: sudo airmon-ng start wlan0 channel 11 sudo iwconfig wlan0 IEEE 802.11bgn ESSID:"" Mode:Managed Frequency:2.437 GHz Access Point: ...
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1answer
14 views

How to hide administrator account or root in Login screen?

I used Ubuntu 12.04 and I want to only user account appear on the Login screen without guest and administrator account. My administrator account cannot view to everybody when their Login. ...
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1answer
19 views

custom-keybindings not found

When I tried to list the available custom keybindings using gsettings command gsettings get org.gnome.settings-daemon.plugins.media-keys custom-keybindings I got the error message saying, No such ...
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15 views

Cannot read USB device in Ubuntu 12.04

My Flash drive cannot read (without light) to my computer.
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2answers
15 views

“No root system defined” while installing ubuntu on Virtual box

i continuously get the error "No root System defined" in the last installation step and it asks for partitioning but under the condition of erasing everything on the disk !!!
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7 views

Gray dekstop after update XFCE on Xubuntu 12.04

After upgrade XFCE my desktop is totally grey and icons dissapeared. I found a solution: sudo apt-get install xfdesktop4 But : The following packages have unmet dependencies: xfdesktop4 : Depends: ...
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2answers
22 views

Unable to find Remote Desktop icon in System->Preferences

I've been using Ubuntu 12.04 for around 8 months, but I have a question that probably a "newbie" should be asking. I'm unable to find the "remote desktop" icon that is generally accessible from ...
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0answers
9 views

ELmer 7 installation in Ubuntu 12.04

I've been working with Elmer Multi-physics for a little while in Ubuntu 12.04. I've installed through the software center. I thought it would be neat to get a newer version so I followed the ...
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10 views

How to setup jenkins in a ubuntu 12.04 machine?

I have a machine in production which is running Ubuntu 12.04. I need to setup Jenkins on it. I was trying to follow this tutorial - ...
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1answer
35 views

Unable to Install Ubuntu alongside Windows 7 (Legacy BIOS)

I am trying to install Ubuntu 12 / 14.04 (x86 & x64) alongside Windows 7. I have a bootable USB stick and when I try to install Ubuntu there is no alongside Window` option neither the Windows ...
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1answer
33 views

How should I give access to a PHP script on a local host-only server?

I have a 14.02 LTS client and server VM connected using host-only and DHCP. Connectivity between them has been achieved and I can ping each machine from the other. I have LAMP installed and I'm ...
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22 views

Is there an ftp management tool that is not based on PHP?

I am looking for an ftp tool GUI that makes it easier for some low-tech users to add/delete FTP accounts restricted to certain folders. Currently I am doing this by hand in my vsftpd.conf but I am ...
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1answer
22 views

Is there a way to know which application is producing sound(audio output) in ubuntu, through code?

I want to write a code which detects the applications that are producing sound
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20 views

Host website, share files, ubuntu 12.04

I am just getting into the whole programming/networking "thing", so after making my first <HTML doc!> :) I want to put it online of course! So should I take the AiCloud down and make a static ...
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16 views

Sounds coming through my headset but not from my speakers

I did a Software Update in my Ubuntu 12.04,afterwards i found that no sound is coming through my laptop speakers but sound is still coming when i plugged in my headset.
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1answer
25 views

No ethernet connection only wifi

I'm providing some of the terminal tests I done for a Dell latitude D520 with Ubuntu 12.04. Please any help will be appreciated. PCI: lspci 02:00.0 Ethernet controller: Broadcom Corporation ...
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1answer
18 views

Sublime Text does not launch under gksudo

Sublime Text does not launch under gksudo. If I start it directly sudo subl it works, but gksudo subl fails. Also, how can I get a list of programs that can run from terminal straight away ...
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20 views

Problems in setting up OpenVZ server with Vesta Control Panel

I am trying to install VestaCP on Ubuntu 12.04 LTS. At first the installation process got terminated due to the webalizer corrupt package. Then I edited the vestacp installation script and removed ...
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17 views

Can not install Ubuntu after manually deleting partition

Since I had some problems with my Ubuntu 12.04.1 In a dual boot system with Windows 7 on Acer 5560G, I had to manually delete the partition containing Ubuntu. Then I used windows recovery CD to rescue ...
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1answer
20 views

installing lex and yacc

I have ubuntu 12.04 installed. I recently tried to download lex and yacc into it using command sudo apt-get install flex sudo apt-get install bison and i got this error Package flex is not ...
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1answer
46 views

Can't find ttyUSB in /dev after connecting my USB dongle

I'm desperately trying to connect a 3G dongle to Ubuntu 12.04. Unfortunately every time I try to connect (using wvdial) I'm met with the message Cannot open /dev/ttyUSB0: No such file or directory I ...
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1answer
20 views

How do I configure Ubuntu 12.04 for a work station? [on hold]

How would you set up Ubuntu 12.04 on a computer terminal that will be used as work station in a company? I need the following features and user restrictions: On boot, their user account only see on ...
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2answers
22 views

rsync delete files from target if not existing in source

Okay so I have looked up the existing answers here and elsewhere but what I can't find out is, if I use the --ignore-existing option along with the --delete option, will this combination I still be ...
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1answer
35 views

How to change permission to the users on ubuntu 12.04?

How to change permission to the users to restrict their accessibility? I want to cannot see or cannot access the System Files, Devices and Network in home folder? I used ubuntu 12.04 Thanks, Jerrick ...
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2answers
17 views

Installed version 12.04 and it worls. Do I really need a new version…?

I was unable to install 14.04 and need not receive assistance with solving it; there, I was able to install 12.04. But, I was advised to install 14.01/14.10. Do I really need to install a newer ...
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1answer
10 views

How to use CD in way similar to a usb like you can Windows

I'm currently using Lubuntu but this seems to happen in other Distros as well. I can't copy files onto a CD without burning it, however in Windows you can use a CD in a similar way to USB where you ...
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41 views

Restrict user with access home directory only on Ubuntu 12.04

I want to restrict the employees(users) using the computers in this company. How can I restrict user to their home directory to cannot see or use their the Devices, File System and Network on Ubuntu ...
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16 views

Cannot access secondary GPU Bumblebee (Ubuntu 12.04)

When running optirun glxgears, I get: [ 1211.541206] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver [ 1211.541351] [ERROR]Aborting because fallback start is disabled. When ...
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0answers
36 views

Dell XPS 13 won't recognize native resolution of U2413 Dell monitor

I have a Dell XPS13 developers edition laptop with Ubuntu 12.04. I am connecting the laptop to a Dell U2413 monitor via Mini-DisplayPort on the laptop. I am able to connect the two and mirror my ...
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17 views

How do I flag a question to be a duplicate? [migrated]

I have found the solution to a problem in a question that did not contain any of my search criteria. When I implemented a link in the question containing my search criteria, my link was eliminated and ...
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1answer
21 views

gimp source build error g_module_build_path

I m trying to build gimp 2.8 from source, all dependencies are me but now while if "make" on it it gives this error: /i386-linux-gnu/libgtk-x11-2.0.so: error: undefined reference to ...
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27 views

Ubuntu 12.04 - Integrated Webcam not found with lsusb but it shows up in usb-devices?

This is an Alienware Area-51 m15x laptop, pre-2009 so not a Dell product. The integrated webcam worked under Ubuntu 10.x and I actually had it working briefly and could see my face in guvcview after ...
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44 views

No sound Ubuntu 12.04

Sound from both speakers and headphones was working fine. After a recent update, the sound from speaker was not working but it was working from headphones, to fix the issue I did something I don't ...
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0answers
14 views

Uninstall samba with winbind

I have a dedicated 32bit machine running Ubuntu 12.04 the I installed Apache, php and MtSql on. It was running very well as my development server for web apps. It is on a home network with windows ...
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1answer
12 views

Its possiable to install tomcat 6 and tomcat 7 in same server

I have Ubuntu 12.04 server.In this server tomcat 6 was installed by yum. It's running properly and I installed tomcat 7 binary package but I am not able to start the tomcat 7 process. I am getting ...
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15 views

Gma500 problem with installation

I having problems with the Intel-GMA500-5 [1] .0.0.0040.tar.gz driver found here. The driver has been installed according to the installation instructions but it fails and outputs this error: Dpkg: ...
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1answer
25 views

What is the correct address for precise/12.04 restricted, multiverse and universe ppa?

I am running Ubuntu 12.04. When I run sudo apt-get update now I get the following errors at the end: W: Failed to fetch ...
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1answer
14 views

Installation of android ndk

I downloaded the latest ndk from http://developer.android.com/tools/sdk/ndk/index.html#Installing. For installing the ndk i used the following command in the terminal. chmod a+x ...
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2answers
27 views

Installed Ubuntu 12.04 - cannot visit certain websites I'm very familiar with

Fresh installation of Ubuntu 12.04, so far everything seems to be working except for this. Using FireFox 23 (the default browser) I get the following message: Not Acceptable! An appropriate ...
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12 views

how could i get some one off my account in game center

If they have my password my email and I change my password and nothing happens there still able to get on it
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15 views

Eeepc low- graphics mode

I'm running Ubuntu on a eeepc 900 when I booted it pulled up the low graphics warning thing so I click OK then I click run in low graphics mode and it says checking battery state. After going into ...