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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playonlinux installation is not done

when I paste the code in terminal it asks me for password and then i'm unable to type in terminal window. So I am unable to proceed. Please verify. Thanks.
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“An uncaught exception was raised:Invalid version string 'GNU/Linux'” when creating bootable USB stick

Still unsolved bug here and bug -report here, bug in 12.04 and apparently in many other versions. How can I create an bootable USB -stick with Ubuntu?
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How fix ATI fglrx driver after kernel upgrade

I upgraded to the 12.04.4 lts saucy stack from 12.04.3: sudo apt-get install --install-recommends linux-generic-lts-saucy xserver-xorg-lts-saucy libgl1-mesa-glx-lts-saucy That installed the 3.11 ...
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ZTE MF180 - BSNL - 3G Datacard USB Modem not working in Ubuntu 12.04 LTS

I'm entirely new to Ubuntu and hence do not have much knowledge about it... I recently installed Ubuntu 12.04 LTS version alongside with Windows 7 since i wanted dual booting option. Here's my ...
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Printing issue with canon pixma ip4300 and ubuntu 12.04

I have been bashing my head against the wall trying to get ubuntu 12.04 to print on the above printer as the colours are on the screen. I have managed to print colour photos by tweaking the colour ...
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3answers
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How to install Ubuntu on an HP Mini netbook?

I have a Hp mini netbook that has been wiped clean, there is nothing other than the bios on it, it has no DVD and I don't have an external DVD. I can change the boot order to boot from a usb device. ...
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sound is not coming both in headphones and speakers in ubuntu 12.04

ubuntu 12.04 i was updated the software after that sound is not coming from speakers but my head phones are working. later i made some changes by searching in the net and i executed some commands the ...
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1answer
139 views

Installing Steam on Ubuntu 12.04

I'm having issues with Steam. When I attempt to get it from the USC, it tells me it needs curl. Trying to get curl (using apt-get on the terminal) doesn't work either, instead telling me: Package ...
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1answer
6k views

where is the Tomcat 7 home / lib directory?

When reading manuals / tutorials on setting up JDBC with Tomcat I frequently come across references to the "Tomcat's HOME\lib" directory. E.g.: Add the driver to your classpath, to your project, or ...
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2answers
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How to Set Ubuntu 12.04 to it's factory settings like when u first installed it?

Well, this is a simple answered question, from the title, but my real problem is hard af. I have set ubuntu to use root, then it wouldn't let me log into the admin account only root and guest I ...
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0answers
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Ubuntu 12.04 live USB just wiped my main install's /home for no apparent reason

As the title says, I've been trying to reinstall Ubuntu (it died and boot repair won't work), and while I'm checking things on my (very out of date, but it can't be helped as my internet's too slow to ...
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3answers
860 views

How do you back up your Virtual Machine

A quick question. I am running a Windows Server 2008 Virtual Machine on Ubuntu using Virtual Machine Manager. My question is I want to make regular back up of the Virtual Machine as its very ...
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sound card not recognized in ubuntu

My inbuilt soundcard was not working well(no bass sound,voice screeching) Testing: Speaker:working well with mobile devices Headphones:screeching sound Before I had Windows 7 : Got the screeching so ...
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2answers
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Can i install pixiewps in ubuntu?

can i install pixiewps in Ubuntu? if yes, then can you please guide me through the steps? From what i have heard, it can only be used in Kali Linux. Is it true? Thanks a lot !
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1answer
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Is there any way to install Ubuntu12.04 on HP Gen9 server?

HP Gen9 server doesn't support Ubuntu12.04, it just support Ubuntu14.04, but I have needs to install Ubuntu12.04 on it. During the installation, I met raid driver issue, is there any workaround to ...
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0answers
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error: expected unqualified-id before ‘;’ token when build c++ project?

I get an error when building a c++ project that works under Visual Studio but fails in Eclipse Some sample code to be able to simulate: #include <utility> #include ...
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2answers
2k views

New computer, same RAID. MDADM won't assemble

Ubuntu 12.04 64. Hardware failure (motherboard) led me to build a new machine, and I took the opportunity to do a fresh install of Ubuntu (first one was a learning experience). I moved the raid disks ...
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4answers
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Batch extract audio with avconv without transcoding

I have about 70 mp4 files, and I want to extract the audio files directly without transcoding further. All the mp4 files have aac audio files. I understand I can use the following command to extract ...
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Possible issues of installing OpenJDK 8 on Ubuntu 12

What are risks/possible issues of installing OpenJDK 8 from PPA (https://launchpad.net/~openjdk-r/+archive/ubuntu/ppa) on Ubuntu 12.04.5 LTS? I understand that OpenJDK 8 never will be in official ...
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0answers
16 views

partition problem as installing windows 7 or 8 after ubuntu?

I have Ubuntu already installed and I want to install Windows but it says "we couldn't create a new partition or locate an existing one" here is my partition table tell me what is wrong Any ...
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1answer
3k views

Wireless suddenly dropping with a Ralink RT2870

I have a Linksys WUSB600N v1 Dual-Band Wireless-N Network Adapter Ralink RT2870 USB dongle that worked flawlessly in 11.10. Since upgrading, I can't keep a connection for more than five minutes. The ...
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1answer
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Ubuntu Server 12.04 and 14.04 LTS compatibilty and reason for upgrade

I have few servers running Ubuntu 12.04.5 LTS and now I will be expanding on few more, both of my dedicated server providers offer new Ubuntu releases, why should I install version 14? I do not need ...
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1answer
4k views

How to Force Ubuntu to load and use my .ppd printer driver instead of the default one?

I have a Dell 1815dn printer and a laptop with Ubuntu 12.04. Ubuntu recognizes the printer automatically and installs a default driver. But this driver lacks the option to bypass the toner-saver ...
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1answer
4k views

How to fix: “The connection to the server was reset while the page was loading.”?

I have a 64-bit Ubuntu 12.04 installed. I used to login to a website (chess.com) but since a few days ago I get this message: The connection was reset The connection to the server was reset ...
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Problems with Eclipse and updated Java version

I'm new in Java. I've installed Eclipse and everything was ok till the moment I've updated Java from 1.6 to 1.7. But today when I tried to open Eclipse I've got the following problem: *JVM ...
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1answer
2k views

Will Leap Second 2015 affect our servers?

We are using Ubuntu 12.04 and ubuntu 14.04 servers. These servers using default time settings and we have not installed ntp in these servers. Ubuntu 14.04 root@ubuntu14:~# uname -a Linux ubuntu14 ...
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1answer
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ubuntu is not booting it directly goes to windows 8

I have hp laptop 15 r248 tu I had already installed Windows 8 and recently I decided to install "Ubuntu studio 12.0". I burnt the iso image to a DVD and I deleted the F drive partition out of 4 ...
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24 views

After upgrading from 12.04 to 14.04, my wifi is not working

I have a HP 1000 Notebook pc with Intel i3 and 4gb of RAM. My pc came with Ubuntu 12.04. After about a year, Ubuntu sent me a message to upgrade it to 14.04 and I did. The problem is that after the ...
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7answers
31k views

Apache fails to start, Address already in use (but not really)

I'm trying to set up a VM running Ubuntu 12.04. I have two virtual hosts configured using port 80, but Apache will not start. I get this error: (98) Address already in use: make_sock: could ...
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2answers
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How to access Vmware Esxi Server from Ubuntu 12.04.1

I want to take control of my VMware ESXi 5 Server through Ubuntu 12.04.1 desktop. Unfortunately there is no client available for Ubuntu. How can I do it?
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Dulicated hardware error

Ubuntu 14.04 works ok, but I get this error line in boot.log file: [0.086280][Firmware Warn]:HEST:Duplicated hardware error source ID:9 I just want to know what it means?
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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 ...
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libvirt with SPICE on 12.04 amd64

I'm using 12.04 LTS amd64 as a KVM host + desktop. I have a Windows 7 ultimate 64bit guest on this host. The installation worked perfect with the default (VNC display) settings. Everything also works ...
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3answers
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Why does Ubuntu gets stuck on the loading screen?

I've been experiencing many problem lately since I fresh installed Ubuntu 12.04 LTS on my SONY VAIO VPCEH with Windows 7 previously installed. Sometimes when I try to boot Ubuntu, it gets stuck at ...
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1answer
32 views

Localized libre-office in Ubuntu

When I boot from Ubuntu live CD, I can choose "Marathi" language. But firefox and libreoffice User Interface is still in English. How do I translate the menu options? Update: Here is how to set ...
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1answer
3k 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 ...
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3answers
4k views

Why doesn't the bootable USB show up in the BIOS?

I followed all the instructions on the Ubuntu website as to how to install Ubuntu using a bootable USB. I got the linux pendrive thing, formatted the USB, and have nothing on it besides what was put ...
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8k views

Recommended testing tools to test MySQL performance?

What is the recommended tool(s) for testing the performance of MySQL 5.5 (innodb) under Ubuntu 12.04? We have purchased a new multi-cpu multi-core server to replace our current MySQL dual-core ...
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Cursor is not moving in my ubuntu 12.04 (dual boot system)

I have installed ubuntu 12.04 alongside windows 7 using wubi software. During booting when I click on ubuntu, I can't see my user account, instead it is asking for password for Guest account. and ...
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1answer
10k views

Enable SNMP on Ubuntu 12.04 to communicate with Windows Server

I have the newest release of Ubuntu 12.04 and Windows Server 2008 R2. On the Windows Server I have a device management agent which keeps track of all the devices in the local area network as well as ...
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1answer
18 views

Error: ‘is_same’ is not a member of ‘std’ when build c++ project in ubuntu?

I have a small project and i get an error ‘is_same’ is not a member of ‘std’ when building. this is some code: template <class T> T* UcmExportFactory::Unwrap (T* ptr) { Utils::IUcmWrapper* ...
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1answer
24 views

Displays do not extend

I have two monitors connected to my computer, one on the VGA and other on the HDMI output. But I am not able to extend these displays. Both monitors show the same thing. When I go to display settings, ...
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Remote upgrade from 12.04 to 14.04 over xrdp

I have a remote server that I very foolishly tried today to upgrade from 12.04 to 14.04 using the GUI over xrdp. I've discovered that xrdp doesn't work with 14.04 unless you install an alternative ...
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1answer
4k views

sudo service apache2 restart: already running

As the title says, when I run sudo service apache2 restart, the message returned says that Apache is already running. However, the service is stopped (if milliseconds later). If I run sudo service ...
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How can I sync a folder on my Desktop (Ubuntu 12.04) into a folder on a server in my network?

How can I sync a folder on my Desktop (Ubuntu 12.04) into a folder on a server in my network which requires a password for authentication and being connected via port 714. How can I include the ...
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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 ...
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libapache2-mod-php5 : Depends: php5-common [duplicate]

I have tried to upgrade my apache2.2 to apache2.4 and php5.3 to php5.5 on my Ubuntu 12.04. For php5.5 I have used those commands below (I dont remember which PPA i used for apache upgrade) : ...
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Internet stops working every 30 seconds on Ubuntu 12.04?

I connect to my wifi on ubuntu.It gets connected and works for 30 seconds or so.Then suddenly it stops working(wifi shows connected).Then I have to disconnect the wifi and connect it again.Again it ...
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2answers
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How can I install Okular on Ubuntu 12.04 without super user access?

I'm at university and would like to put some annotations in a PDF. Unfortunately, only Evince is installed, but that doesn't allow the creation of annotations. I'd like to install Okular, but don't ...
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2answers
3k views

Log files (CUPS) grow so fast!

the past few days I faced a strange issue with my computer. I discussed it here: Server logs are filling my hard disk, how do I fix this? Shortly, log files (in cups folder) grow so fast! I did solve ...