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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ARToolkit ubuntu 12.04

I am a new Ubuntu user and I'm having several problems trying to install ARToolKit 2.72.1 on Ubuntu 12.04 LTS (64 bit). I have followed several guides on the subject but haven't been able to get it ...
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ambiguous redirect

The error is: line 20: $1: ambiguous redirect what could be the problem #! /bin/bash while read line do string=$line array=(${string//,/ }) fileName=${array[0]}_"final_fitness.out" ...
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Disabling USB and DVD ROM in ubuntu

How to disable USB and DVDROM for a normal user in 14.04 but root should be allowed.
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3answers
195 views

Restricting internet access of some client systems of LAN to a few websites using ubuntu gateway

How to limit internet access of most systems in my LAN to a few websites and block all the other websites? Also want to bypass that restrictions for some systems. All systems have static IP address ...
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2answers
3k views

Bars do not disappear watching videos full screen

I just installed Ubuntu 12.04. I switched to the classic view because I didn't feel comfortable with the unity. When I watch videos or movies, I double-click (as always) to make them full screen. But ...
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3answers
7k views

How to install TP-LINK TL-WR841ND router

I bought a TP-LINK TL-WR841ND router, but it isn't supported by Linux. Can someone help me to install it in Ubuntu 12.04?
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How to install latest version of R on Ubuntu 12.04 LTS?

I am not able to download the latest R version on my Dell Vostro 14 3000 Series laptop running on Ubuntu 12.04 LTS. I typed in the standard commands on Terminal: sudo apt-get update sudo apt-get ...
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1answer
24k views

Dual Boot On Galaxy Note 2 ? ( Android / Ubuntu )

I want to buy a Galaxy Note 2 tablet/phone and I just wanted to know: how can I have both of these OS's on it at the same time? If there is a way, how can I do it? Is there anyone who can help me? ...
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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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Can't install ubuntu 12.04 ltsp

I have this compaq presario computer with 2 gigs of ram. When I install from the advanced mode alternate installer, here are my choices: LTSP server, Ubuntu Desktop, grub as well as the base system. ...
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how can i know the login details (user name and passwords) used on an email account(e.g. Gmail) [on hold]

how can i know the login details (user name and passwords) used on an email account(e.g. Gmail) entered through my notebook?
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1answer
5k views

No sound by speaker in ubuntu 12.04, only by headphones (re installing, updating and in liveUSB without sound)

I installed Ubuntu 12.04 and the speakers don't work. Before I had 13.04 without problems about sounds. I re install ubuntu 12.04 and update, and also no sound, only by headphones. Also I tried by ...
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43 views

Open VPN and Dynamic DNS Solution

I'm looking for recommendations on the best open source solution for a dynamic DNS + VPN solution. It appears Open VPN is the best option for the VPN portion, but I am unsure of which open source ...
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13 views

Cant boot USB Ubuntu 14.04

i installed Ubuntu 14 by USB, and when i boot USB my laptop dont do anything after. http://cdn.daynhauhoc.com/uploads/default/2801/1d0001f6fc1f99c7.JPG then it stuck in this screen. ...
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4 views

put sleep back on while in fullscreen videos

I have a question regarding activating sleep while in full screen videos on one of my computers. I looked around in system settings to put it on to no avail. Screensaver settings don't work either... ...
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6answers
3k views

Ubuntu 12.04 LTS on pendrive

I've got a problem with installing Ubuntu on Pendrive. Steps I made: Downloaded ISO from Ubuntu site. Burn it on DVD. Run PC from the DVD (pendrive is plugged in). Followed instruction on the ...
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1answer
31 views

Laptop keeps shutting down suddenly

I have Ubuntu 12 32 bits installed on my Emachines E728, and everytime I turn it in on and start using it it shuts down suddenly without a warning. I thought it's a heat problem but it seems like it's ...
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2answers
15k views

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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1answer
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c/c++ program's are not debugging properly in code blocks 12.11

Respected sir/madam Codeblocks 12.11 currently running in Linux mint os is facing some problems while debugging the code by displaying "process returned with the status 225"..Plz help me to come with ...
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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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25 views

Problem with wifi Ubuntu 12.04, Qualcomm Atheros QCA95665

I bought a Dell Inspiron 14 3442 laptop pre-installed with Ubuntu 12.04 LTS , however I am having issues with the WiFi connection. I receive the error message: Has closed the connection every time ...
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3answers
4k views

Ubuntu 12.04, xbmc, opengl, intel motherboard

I've got an HTPC that I built myself, with a Asus P5G41T-M Motherboard. It's got an on-board HDMI port, and I've been using that with no problems. I started out with Mythbuntu ( an older version ), ...
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1answer
5k views

Ubuntu 12.04 Bootloader failed to install

Sorry about the excessively long question, but I figured giving more information would be better. I recently bought a new desktop for myself, running Windows 7. It has two hard drives, and I wanted ...
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3answers
7k views

Create unity shortcuts to WINE applications 12.04

I have just gone through the process of getting ubuntu onto my main PC, no issues, was absolutely brilliant how its done it and loved that I could read the web while installing too, I have WINE ...
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4answers
4k views

Unable to enable wireless on a Vostro 2520

I have a Vostro 2520 and not sure how to enable wireless on my machine. The details are given below, would appreciate any pointers to resolving this issue. lsmod returns Module Size ...
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9 views

Is it possible to use empathy in new facebook video chat?

guys. Now, the facebook doesn't requires to install any plug-in to do video calls. So, with this new functionality, is it possible to use the video call with a facebook account in Empathy now?
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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
3k views

How to get NetExtender VPN client on Ubuntu 13.04 working?

I've got a Ubuntu 13.04 desktop and I need to connect to a Sonicwall VPN appliance using NetExtender. TL,DR, the VPN connects fine, but then I can't reach any internet or LAN websites. Details: ...
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3answers
7k views

Windows 7 + Ubuntu 12.04 + Invalid EFI file path + Boot repair + Grub many entries

I've a ASUS N56VZ with Intel Core i7 - 3610QM, with Win 7 Home Premium x64 pre-installed. This computer come with EFI instead of the traditional BIOS. When I bought it, I had 3 visible partitions. C ...
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9 views

Does sleep mode limit CPU performance?

I have looked around but couldn't find a definite answer to whether or not sleep/suspend mode affects CPU performance in Ubuntu/Debian. Is there any impact on performance while running in ...
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3answers
5k views

Not able to configure Reliance Netconnect USB dongle with Ubuntu 12.04 LTS

I've a Netconnect USB dongle which is I am not able to use with Ubuntu 12.04 LTS. I am noob lsusb Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID ...
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2answers
8k views

How do I set album artwork?

My music goes back and forth from iTunes to Rhythmbox via Dropbox. All of my songs have their artwork showing in iTunes but some don't when I'm back in Ubuntu. I don't know how to set the artwork in ...
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5k views

Cannot see shared folder in /mnt/hgfs

I am trying to share a folder between Lubuntu 13.04 (in VMware player) and Windows 7 64 bit. I followed a tutorial till step 16. I typed a command and saw nothing. I also went into the /mnt/hgfs ...
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1answer
821 views

Completely uninstall Nodejs, npm and node_modules

so my Node and npm settings are currently messed up beyond repair( or so I think). What I would like to do is to completely remove all of it and start from scratch. What I have done till now can be ...
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3answers
17k views

Problem with Ubuntu Software Center--can't install anything

About 3 weeks ago I downloaded Ubuntu 12.04 and I've been running it since then. Initially everything worked great, but about 10 days ago the Ubuntu Software Center quit working (I previously used it ...
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UBUNTU 12.0.4 LTS freezes on wireless occassionaly

This happens only when I connect to wifi, the system freezes and would not respond at all (ctrl+alt+f7 also does not work). Restarting the system is the only option. But the annoying thing is even if ...
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1answer
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gridengine-qmon package missing context help

I upgraded to Precise and installed gridengine. The qmon GUI administrative tool still has the ancient X11 style interface from Sun Grid Engine, but when I click a Help button the "Context Help" popup ...
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2answers
40 views

How to fix problematic Ubuntu ppa configuration?

When I do sudo apt-get update I get following errors: Err http://archive.ubuntu.com raring/main amd64 Packages 404 Not Found [IP: 91.189.91.23 ...
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0answers
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The system is running in low graphics mode 12.04 LTS [duplicate]

I'm running an old CES mainboard w/ 1 gig ram and an AMD Athlon 1700 processor, WD 160 GB HD. I have the board drivers on disk. I'm completely new to Ubuntu and don't know what to do at this point. ...
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1answer
3k views

How to install MacBuntu on an Ubuntu minimal install?

I've tried going for Cinnamon install however the process failed. Discussion here. I want to try a different approach. Thus my question is, how do I install MacBuntu or MAC-4-Lin right onto a Ubuntu ...
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1answer
3k 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 ...
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1answer
27 views

Ubuntu Network Error (Ubuntu 12.04)

We run a 1000BaseT, full duplex network, however we use auto-negotiate to ensure that minimal errors occur. A few days ago, all Ubuntu servers started having an extremely slow upload (to the outside ...
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3answers
4k views

How to create a service on Ubuntu Upstart

I have a Java executable program that I can run by typing java -jar abc.jar in terminal. How can I run it as a service? I want to run it as a service like by typing service abc start.
9
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1answer
2k views

Tata Docomo Photon 3g not working on 12.04 LTS

I recently upgraded from Tata Photon+ to Tata Docomo Photon 3G, however Ubuntu is not recognizing the device itself. I tried manually adding the device in Mobile Broadband section, using different ...
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4answers
9k views

Alt+Tab doesn't work when Citrix is in full screen

I am using 12.04 and in my work we connect to a Citrix XenDesktop. I've installed Citrix Receiver, using this link and it all works perfectly. But, I have a problem. Alt+Tab doesn't work in full ...
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1answer
54 views

How to view RGB 565 format image on ubuntu

Is there any tool on ubuntu to view RGB 565 format image? If yes, can you please tell me how to install it?
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1answer
3k views

How do I install HP DeskJet Ink Advantage 2510 All-in-One Series?

Ubuntu 12.04 has the version 3.12.2-1ubuntu3.1 and http://sourceforge.net/news/index.php?group_id=149981&limit=5&offset=5 says that HP DeskJet 2510 All-in-One Series is supported in HPLIP ...
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2answers
6k views

“The volume boot has only 0 bytes disk space remaining”

After a recent update, I'm getting an alert saying: The volume boot has only 0 bytes disk space remaining But my computer has plenty of HD space free. Does anyone know how I resolve this. (If its ...
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2answers
5k views

I can't install libtiff on my 64-bit Ubuntu

When I try to install libtiff on my 64-bit Ubuntu, I get the following error: sudo apt-get install libtiff Reading package lists... Done Building dependency tree Reading state information... ...
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1answer
26 views

How to prevent specific IP addresses from even connecting to my dedicated server [duplicate]

I've been using this site for Ubuntu-related help for quite some time now, since I own two dedicated servers that run Ubuntu 12.04, which I run gameservers on. Recently, I discovered the wonders of ...