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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java file will not launch from .desktop file - Ubuntu 12.04 LTS

I have a bin/bash script- #!/bin/bash java -Xms256m -Xmx1g -jar KeeperDesktop.jar inside an executable text file ( keeper-start) I have created a .desktop file for it as i want to launch it ...
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5answers
6k views

dual booting Ubuntu 12.04 and windows 7 (partitioning scheme)

I would like to ask for help on dual booting because it's my first time to try dual booting and a novice on Ubuntu or any Linux distribution. I have 2 partitions on my hard disk: Windows 7 C:\ ...
4
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2answers
9k views

No sound output from headphone jack Ubuntu12.04

I have just bought a new ASUS u47vc computer. I have installed ubuntu 12.04 on it alongside windows 7 with no problems what so ever. Howevr, there is one issue that must be resolved. I can not get ...
0
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1answer
36 views

Stopping an update in 12.04

Is there any way to stop an update once it has started? There appears to be a cancel button but whenever I have updated ubuntu thus far it has always been greyed out. Today I accidentally agreed to an ...
0
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1answer
35 views

Ubuntu 12.04LTS and blu-ray

I have a blu-ray disc (original),ubuntu 12.04LTS and VLC 2.0.10. I have followed this guide on web but VLC still not working: sudo apt-get install libbluray-bdj libaacs0 mkdir ~/.config/aacs/ cd ...
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1answer
4k views

How do you install oDesk Team for Ubuntu 12.04 LTS?

I am need of assistance on how to install oDesk Team (www.odesk.com/downloads) for Ubuntu 12.04 LTS. I have tried downloading the 12.04 versions for Ubuntu but all I see in the status is Error: ...
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4answers
7k views

Can't install alternate CD from USB?

I'm trying to install Ubuntu 12.04 with full hard disk encryption. After downloading and installing the Ubuntu live CD, I learned that truecrypt doesn't support full disk encryption on Linux. I also ...
0
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1answer
56 views

getting started to ubuntu

I had just downloaded ubuntu 12 now i and also installed but i don't know how to use it. I want to host a complete website (online i.e., viewable in public) working website with php and mysql. ...
4
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1answer
6k views

12.04 Failed to load module “nvidia” (module does not exist, 0)

I have ASUS UL50Vt with nvidia optimus hybrid graphics (GeForce 210M). I recently installed ubuntu 12.04, and in Details app it was showing me, that I am on Intel video driver. So, I installed ...
0
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2answers
8k views

How to format hard drive

I have installed bootable ubuntu on hard disks but now I can not format them with Disk Utility program. When I try to format it says "One or more partitions are busy on /dev/sdb" for both hard disks. ...
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0answers
50 views

TP-LINK TL-WDN4800 connection speed slow

I am switch the wireless card from linksys wireless-G to the TP-LINK TL-WDN4800 card. I run dual boot win7 and ubuntu 12.04. The download speed in Win7 is ~175Mbps but I can only get ~3Mbps on ...
0
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1answer
48 views

dependency problem mysql-server

I upgrade my server time to time with apt-get update then apt-get upgrade and dont use anything else. but these days I have a problem with mysql-server. apt-get cannot upgrade anything else, it break ...
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0answers
41 views

Qt Creator had no menu, but Ubuntu update corrected it

Almost up to now I used Qt Creator in a normal window of my Ubuntu 12.04 2d. But then it opened so that it took up the whole screen and its menu was not visible and also the Launcher showed only by ...
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4answers
4k views

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 ...
0
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2answers
3k views

MotoG not recognized in ubuntu 12.04, MTP mode not supported. Why?

I bought a MotoG handset and wanted to transfer music files to my phone. But as I connect it to my laptop, Ubuntu doesn't recognize the phone, whereas it detects my friend's HTC phone. Basically, when ...
3
votes
2answers
6k views

Authentication failed with the correct password and now I cannot use sudo anymore

Recently I installed Ubuntu 12.04 (first time on Ubuntu). I have my normal "administrator", and another Guest account. I was experimenting today with the user accounts, and set my "administrator" ...
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1answer
34 views

Problem installing Dropbox on Ubuntu 12.04 (Crouton)

I'm using 12.04 with Xfce on a Chromebook using crouton. The package downloads and says it needs to install proprietary software. It seems to finish and then just does nothing. It also does nothing ...
0
votes
1answer
23 views

How to mirror only required update's from apt-update repo

Mirroring apt takes 100 gb of data...its not possible with my slow connection. is there any better way to update all hosts using minimum bandwidth consumption? Am running ubuntu 14.04 and 12.04 LTS ...
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0answers
22 views

Can't connect to froxlor clients via SFTP

I can login to root and other ssh users using SFTP (ProFTPD) without a problem but I can't connect via sftp to any of the froxlor clients that I add via the panel though. With some help from here, I ...
0
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1answer
5k 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 ...
1
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1answer
24 views

Granting write permissions to a group to www folder in Ubuntu 14.04

I am setting up a webserver with Ubuntu 14.04. I have created a group called webadmins and added relevant users to this group, I also included www-data user as member of this group. Now I need to ...
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0answers
38 views

Sound problems after upgrading Ubuntu 12.04 LTS

I had no sound after upgrading ubuntu 12.04 LTS using sudo apt-get upgrade. In the window Sound settings there is no device through which sound can be played. Alsamixer says that this sound device ...
0
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1answer
4k views

dns configuration problem bind9

Following is my bind9 configuration the domain I want to configure is home.lan it is home network /etc/bind/named.conf.local is following zone "home.lan" IN { type master; file ...
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7answers
31k views

Wireless Connected But No Internet Connection (Ubuntu 12.04)

I am using same network for 2 days and everything was normal. However, today even though it shows me as connected to the network, I do not have internet connection. If I use ethernet cable instead of ...
2
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3answers
1k views

Setting LANG for SublimeText from Unity

I am trying to run SublimeText with the package control addon and each time I open it using the Unity launcher I receive this error. So far I have tried following the instructions provided by ...
0
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2answers
5k views

How can I get my built-in microphone to work on a Lenovo G770?

I am dual booting Ubuntu 12.04 on a Lenovo G770. The internal mic works fine in Windows 7. The mic is recognized and unmuted, but it just isn't detecting any sound. I tried messing around with ...
0
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1answer
13k views

Deluge bit torrent. No incoming connections?

Hi I keep getting a no incoming connections on my Deluge. I know this is a pretty common problem from Google, but I have posted here to see if any one knows why this happens. I have port forwarded my ...
2
votes
1answer
252 views

Where is the cursor speed for mouse keys configured?

I have mouse keys enabled on two computers running Ubuntu 12.04. On one of them, the cursor speed is reasonable. On the other one, even when using the same keyboard, the cursor moves unbearably ...
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0answers
20 views

Ubuntu 12.04: can't go beyond login screen

I'm new to ubuntu and here's the list of commands that ruined my system: (I could see them by getting into the terminal via Ctrl+Alt+F1) sudo apt-get install ia32-libs-gtk sudo apt-get install ...
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3answers
875 views

“make” command is not doing any thing

I am new to Ubuntu and I am trying to compile a small program. I have a Makefile and raw1394.c file in a folder raw1394. when I run a make command it should produce raw1394.ko file but I am getting ...
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votes
3answers
2k views

How can I tell upstart to restart a service when a different service is restarted?

I've an OpenERP server running on one of my servers. It's started by a traditional /etc/init.d/ script. It uses a PostgreSQL database and needs a manual restart every time PostgreSQL is restarted. ...
0
votes
1answer
41 views

Change “move windows” shortcuts - Ubuntu 12.04

I am trying to change the shortcuts used to move windows while switching workspaces, in Ubuntu 12.04. The problem is that the shortcuts that I want to use include the combination of Ctrl and W, which ...
0
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1answer
297 views

Installing GLIBC from source

I want to install a different version of glibc on my Ubuntu 12.04. The questions are 1) Is it safe to have two versions of GLIBC on a system? 2) Should I remove the current installed GLIBC? How? ...
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2answers
3k views

Want to connect Sony Z2 (Android phone) to Ubuntu 12.04

I have Ubuntu 12.04 and I try to connect it with Sony Xperia Z2 (which has Android 4.4) via USB. I have set Mass Storage Mode(MSC) setting but nothing happens when I connect cell phone to the laptop. ...
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3answers
96 views

How to rename multiple files like in windows

I have a direcotry of songs all of which are from the same singer. I just want to rename all the files of the directory as: SingerName(1) SingerName(2) SingerName(3) ... just like we coould do it ...
6
votes
3answers
27k views

Why am I getting a “port 22: Connection refused” error?

I am getting a port 22: Connection refused error while connecting to a server. I have both the openssh client and server installed, and they are running. But still there is an error. Please ...
6
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0answers
671 views

Getting WebGL to run on an Amazon EC2 server

I'm trying to get WebGL to work on my Amazon EC2 server (migrating from an office-bound Mac Mini, that has a lot of hiccups). Worked some days to get this running, but I'll try to start from where i ...
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3answers
9k views

Unable to create new folders on Ubuntu and Permissions tab is all greyed out

I freshly installed Ubuntu with lighttpd; I want to add a test file to check if my server works or not. I am, however, unable to create files: when I right clicked and opened the "Permissions" tab I ...
0
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1answer
40 views

Can't login to root using `sudo su` [duplicate]

While using sudo su I am getting this error: sgr@sgr-VirtualBox:~$ sudo su sudo: must be setuid root I cannot log in to root? Why/How to fix it?
0
votes
5answers
8k 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 ...
6
votes
3answers
8k views

Problems in LibreOffice Writer when saving as .docx

I used LibreOffice for a really important task and now I am going nuts. I check if everything is OK before closing LibreOffice, nothing seems wrong. But when I reopen the document, I noticed that ...
2
votes
1answer
3k views

Ubuntu openGL issues

my OpenGL doesn't work at all i get Xlib: extension "GLX" missing on display ":0". lspci output 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family ...
2
votes
3answers
3k views

Problem with nvidia drivers installation

I want to install new nvidia drivers R310 so I downloaded driver and when I run it it says that i can't install new drivers because there is this nouveau driver. It asked me if I want to add blacklist ...
2
votes
3answers
7k views

Gnome shell slow on a fast computer

The computer is an EliteBook 8540w: ATI FirePro 5800 (using proprietary drivers) i7 720qm 8Gb RAM OCZ Agility III SSD Ubuntu is freshly installed (a week ago). I have set swapiness to 10. When I'm ...
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2answers
5k views

Error while trying to install ATI/AMD proprietary drivers (post-release update)

I tried to install the proprietary driver which is available for my graphics card. There are 2 available drivers; "ATI/AMD proprietary FGLRX graphics driver (post-release updates)" and "ATI/AMD ...
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1answer
1k views

Ubuntu boots into tty1 after driver downgrade

Earlier today I downgraded the driver for my nvidia 240 GT from version 310 to version 304 using ubuntus "additional drivers" utility. After the install I rebooted but instead of opening unity and ...
2
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2answers
327 views

How can I only load up the terminal via grub then upgrade

So after the upgrade I made last night I can't load up the GUI properly. I have a feeling the upgrade died half way through. Grub is working. All the kernals are listed. That being said how can I: ...
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1answer
80 views

Touch screen and two monitors

I'm using Xubuntu 12.04.4. I have two monitors (one touchscreen and one regular). I've used xrandr to set regular screen right of touch screen, so extended display. Now ubuntu thinks the entire ...
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2answers
375 views

Warning while running lammps-daily on ubuntu 12.04 lts

I get the following Warning while running lammps-daily on ubuntu 12.04 lts: WARNING: OMP_NUM_THREADS environment is not set. (../comm.cpp:100) using 1 OpenMP thread(s) per MPI task After this, the ...
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1answer
7k 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 ...