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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ZFS Raid1z Disk Replace

I have been running ZFS Raid1z with 5 disk under Ubuntu 12.04 for 3 years now with no problems at all. Unfortunately the day of failing disk has come. I have lost a disk in the array, he simply went ...
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How to install Lattice Diamond 3.4 on ubuntu 14?

I am having a problem regarding the installation of Lattice diamond 3.4 software on Ubuntu. I downloaded the rpm file and converted into deb file using alien. Then tried to unpack it using command ...
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MY Ubuntu 12.04 is not booting after using testdisk data recovery?? it gives error loading drmk? please help

I am using Ubuntu 12.04 lts. during upgrading i lost all my data then i tried to recover it using test disk data recovery...but after shutdown when i restart there comes black screen having following ...
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21 views

How to play and install Need For Speed ​​Most Wanted 2012 in Ubuntu

I want to install Need For Speed Most Wanted 2012 on Ubuntu 12.04 LTS because I can install it in Windows. Ubuntu with Wine/Play on Linux won't open the files. Someone please help!!! I wanted to ...
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1answer
9 views

Install old versions of Mysql, Apache2, PHP

Is there a way to install old packages of the following versions: apache2: 2.2.12 mysql: 5.1.37 PHP 5.2.10 on Ubuntu 12.04, i386, using apt-get or dpkg?
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How can I see DHCP server current users list

I have Ubuntu Server 12.04 and I installed isc-dhcp-server. It work normally, But I need watch current users list and search user by MAC. There have logs: /var/lib/dhcp/dhcpd.leases But I don't need ...
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ubuntu on power5 ibm p5 9110 510

I want to install Ubuntu on my ibm p5 9110 510 but from manuals i found that only aix,suse linux,and redhat linux can be installed on that machine. can any one provide help how to install ubuntu
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Viruses detected in wubi.exe supplied with Ubuntu [on hold]

I downloaded an ISO ubuntu-12.04.5-desktop-i386.iso and sent the wubi.exe for total virus and it was there that detected below: ByteHero Virus.Win32.Part.a 20,150,602 Jiangmin Trojan / Generic.bvycy ...
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2answers
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Excessive disk activity on Ubuntu 12.04

I have an old implementation of Ubuntu 12.04. There are occasional spells of disk activity that go on for 5+ minutes during which the system is unuseable. I cant quite work out which process is ...
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6 views

Allow internal urls while on VPN and proxy

I am currently using Ubuntu guest in Windows host using virtual box.I enabled proxy on ubuntu, when I am connected to office network or on VPN, I can't reach internal company urls from guest. I get ...
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33 views

Ubuntu 14.04 won't boot after installing CUDA 7

I got a laptop (Dell Precision M4700) with a Quadro K2000M. I have two drives, one for Windows 7 and one for Ubuntu 14.04 LTS. After a fresh install of Ubuntu 14.04 LTS followed by an upgrade to ...
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24 views

Error on update commad

While I am trying to run this command sudo apt-get update I am getting following o/p W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/precise-security/main/i18n/Translation-en Hash ...
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1answer
17 views

Whats the meaning of CPU% for each process in top command?

I was running some heavy processes inside a VM and then I used top command to see how much loaded the system is. Overall CPU showed 29% while CPU% for qemu showed 133%. %CPU definition from top man ...
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8 views

wubi-12.04.4-rev280.log

Could not retrieve the required installation files. Anything I can do to try the ubuntu 12.04.4?? I have the CD but I don't want to install it, just run the ubuntu. My problem is that when I restart ...
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1answer
37 views

UBUNTU 12.04 LTS - Dell Vostro 3446 audio and wifi (Atheros QCA9565 / AR9565) not working after update

I bought a new Dell Vostro 3446. everything was working fine till I was asked to update the Ubuntu package 12.04 LTS. Now my audio is completely silent and wifi network is gone. Can anyone please help ...
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2answers
32 views

Minecraft not Executing

So, I've had Ubuntu for a good 6 months on my HP Chromebook 14. I downloaded and began playing Minecraft immediately with no problem. Then, today I go onto my laptop and open up Ubuntu. I double click ...
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9 views

squid and vpn traffic monitor

I have configured VPN and Squid in Server. I tested it with iphone and both are working properly. But I'm facing some problem: 1) if I give Squid proxy ip means all traffic goes through Squid and ...
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16 views

How to allow only one website through VPN from Squid?

I have configured VPN and Squid in Server. I tested it with iphone and both are working properly. But I'm facing some problem: If I give Squid proxy ip means all traffic goes through Squid and able ...
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2answers
28 views

Installing VLC media player in Ubuntu 12.04

Dear fellow community Members, I have tried to install VLC media player using various methods prescribed in the question answer tag. However, I am getting the following response : $ sudo apt-get ...
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17 views

How to prevent Skype icon in launcher panel from spinning when new message is received?

I'm really irritated by the spinning of Skype icon when a new message is received. ( I am talking about this ) Is there a way to stop the spinning and leave just the default notification ...
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24 views

Incompatibily bet on Ubuntu 12.04, I can't install nginx with uwsgi and naxsi on the same server

I'm making a Project about security aplications, and i'm having an incompatibility problem using nginx with naxsi and uwsgi modules on the same server. The Ubuntu version is 12.04 LTS. I can't ...
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32 views

Skype libqtgui4:i386 error

When i try to install skype on my DELL Intel® Core™ i3-4005U CPU @ 1.70GHz 64bit Ubuntu 12.04 lts i get libqtgui4:i386 when i try to run installation. I tried installing it from terminal with sudo ...
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15 views

How can I print my own statement in terminal during kernel 4.0.4 compilation in Ubnutu 12.04

I tried to put some printk lines in start_kernel() function But those lines are not showing in terminal during compilation and install of kernel. I don't know how to do that. Or is there any way to ...
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1answer
31 views

How to upgrade openfire from 3.8.2 to 3.10.0?

When I try to upgrade openfire from 3.8.2 to 3.10.0 gives following error. I am using ubuntu 12.04 1. wget http://download.igniterealtime.org/openfire/openfire_3.10.0_all.deb 2. sudo dpkg -i ...
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15 views

12.04 shutdown can not turn off the power problem

I am currently experiencing a situation where shutdown won't power off the computer. Specs I use Ubuntu 12 development environment I have a backup ISO for the development environment Iso file in ...
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1answer
64 views

Running 12.04 but installed from Vivid Vervet PPA by mistake

I am running Ubuntu 12.04 (Precise Pangolin). I made the mistake of adding as a source the gnome3-staging PPA intended for Vivid Vervet, and this has caused some problems when I upgrade. Although I ...
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25 views

HP 15 notebook has an unrecognizable QR code [closed]

Some time ago I bought an HP 15 notebook with Ubuntu 12.04, and I get a QR code each time I scan with a reader from my cell phone. Because it was a response that I experienced from the HP Support ...
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1answer
16 views

iam unable to browse internet through tata photon while local area connection is established on 12.04

TATA photon is installed properly and it's working fine after disconnecting the local area connection
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1answer
22 views

How do I select which files are shown in Rhythmbox?

I have Ubuntu 12.04, and it came with Rhythmbox. Now I want to put some music on my computer, so I opened Rhythmbox, and it's displaying a long list of files from various places on my computer. I'm ...
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2answers
30 views

Windows 7 - VirtualBox - OpenVPN - Ubuntu 12.04

I have Windows 7 64bit Professional. On this I have installed a VirtualBox with Ubuntu Server 12.04. OpenVPN is installed on both. I need to allow internet on Ubuntu and I also need to connect to a ...
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1answer
22 views

E: Impossible de trouver le paquet minicom

I want install minicom and other package n ubuntu 12.04 baut I have this result: rimeh@rimeh-PC:~$ sudo apt-get update && sudo apt-get install minicom Lecture des listes de paquets... Fait ...
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17 views

Undefined Reference during catkin_make

I'm having some problem with the catkin_make. The error is : /home/marcello/catkin_ws/src/aruco_marker_detector/lib/libaruco_marker_detector‌​.so: error: undefined reference to ...
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Ubuntu 12.04 freezes and does not always let me switch to text-based to restart lightdm

I switched to an old laptop after my two main ones stopped working and this one frequently freezes. At times it will allow me to switch to text-based (CTRL+ALT+F1) and restart lightdm (which is ...
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1answer
20 views

Is there an alternative to f.lux which runs constantly?

F.lux is an application that adapts the color of your screen to the time of day such that the screen is redder during the night (i.e. it serves the same function as computer glasses). I want to keep ...
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1answer
28 views

no echo in bash shell script loop

In this script, the second echo statement doesn't do anything. #!/bin/bash echo "Start folder create..." find . -name "*.zip" | while read filename; do foldername="${filename%.*}"; mkdir -p ...
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1answer
108 views

How to upgrade to PHP 5.5.25(The Latest Stable Released Version of PHP) on Ubuntu 12.04 LTS 64-bit OS?

I tried following commands but after running these commands I got upgraded from PHP 5.5.23 to PHP 5.5.24. I want to upgrade to PHP 5.5.25 which is a latest stable released version. sudo ...
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27 views

Cant install ubuntu 12.04, 14.04 64bit on my lenovo s205

I've read a lot of similar topics, but nothing helped. Check out my little sad story: I made bootable USB with UNetbootin. I tried Ubuntu 12.04 and 14.04, linuxmint 17.1, fedora kde, zorin. Before i ...
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1answer
16 views

how to install Vodafone k3800

I'm new Linux user. I have Vodafone modem (model k3800) but don't know how to install it on my PC. I've tried cmd sudo ./install.sh and also sudo apt-get install install.sh It shows ...
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13 views

Can't launch neither Software Center nor Update Manager or install VLC on Ubuntu 12.04LTS [duplicate]

I have just installed a new version of Chrome browser on 12.04LTS 32bit and now Software Centre and Update Manager keep crashing when I try to open them. I need to install a new VLC player and can't ...
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28 views

How to have two headphones (one usb, one not) play sound at the same time?

I've tried installing pulseaudio but it doesn't let me do two headphones at once. Thanks.
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1answer
28 views

Ubuntu 12.04 LTS and Windows 7

I am using Ubuntu 12.04 LTS dual booted with Windows 7 , when i am with windows 7, computer performs normally, but when i switched to Ubuntu it roaring like anything , also heats up quicklyand battery ...
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1answer
40 views

Home folder won't open

I have Ubuntu 12.04 (dual boot with Windows 7 if that matters). When I click on the icon of the Home folder in that column that pop-up when one hovers at the left of the screen, the icon flashes (like ...
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38 views

Home folder does not open and “Continue to wait” message

After I upgraded almost everything in my system (it took a long time and I executed only one command from the terminal, probably sudo upgrade or update), my Ubuntu 12.04 became a mess. It sounds ...
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“apt-get autoremove -y” CPU intensive

I remove "apt-get autoremove -y" commands to clean-up un-required packages.But it causes CPU spikes in system time. I have tried with nice and ionice too but didn't help. It can be solved by 2 ways:- ...
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1answer
24 views

Can't upgrade the system, dist. update stuck

I've just bought a Dell inspirion laptop , core i3 , 4gb ram , nvidia graphics (2gb vram) and it came with Ubuntu 12.0.4 LTS which is nice cuz i need it for programming. But when i run distribution ...
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19 views

ZTE USB dongle intermittent detection in Ubuntu 12.04

I trying to connect a ZTE modem to ubuntu 12.04 machine. The dongle is not getting detected as USB-serial modem all the times. #When detected ~$ usb-devices T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=02 ...
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2answers
49 views

Modify bashrc & .profile from safe mode

I have messed up .bashrc & .profile in ubuntu 12.04 LTS. Can I change it back to previous version from safe mode as I am not able to login to my system and I think this might be the issue
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icon in launcher are scrolled up and they are not moving down

Screenshot, Please check top left corner I'm using Ubuntu-12.04. Icon in launcher are scrolled up and they are not moving/scrolling down. I do not want to restart my system. I've even tried ...
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2answers
75 views

udev rules to allow only one vendor and model USB drive but no others

So, we're working to set up an environment here where we have a secure storage setup on our Linux laptops, such that our Linux laptops can only connect a specific USB drive: a Kingston DataTraveler ...
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I am unable to set nfs block size to greater than 32kbps

I am using 12.04.4 and trying to connect to a NFS server which allows a blocksize of 64kbps, but the most I can set on the client side with mount.nfs is rsize/wsize=32786. I read that there is a ...