The current 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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2
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2answers
307 views

Ubuntu 12.04: Open launcher elements only with double click

Sometimes I click the icons of the launcher by mistake and I have to wait until the program opens to close it again. How to open the programs in the launcher only if I double click them? Thanks.
2
votes
0answers
29 views

How to do a fresh install of 12.04 on non-PAE CPU PC? [duplicate]

Possible Duplicate: How can I install 12.04 on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”) I can not install 12.04 Desktop on non-PAE CPU PC. ...
2
votes
0answers
145 views

Rollback instead of completing dpkg-configure -a?

On a new VPS, aptitude dist-upgrade hangs during /usr/sbin/grub. Now, aptitude is in a bad state: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. I ...
4
votes
2answers
416 views

How to recover removed packages with the purge flag?

I accidently removed a package with the purge flag and it removed large parts of the Ubuntu system, including the pulseaudio server, the software center, system settings and many, many other programs ...
3
votes
1answer
2k views

Install 12.04 on top of existing Linux Mint installation

This question has been answered before in many places but I just need some confirmation with my specific setup. I have Linux Mint installed and I just want a fresh Ubuntu 12.04 install to completely ...
1
vote
2answers
2k views

Dell Laptop's Bluetooth isn't detected by Ubuntu

I have Dell vostro 3500 Laptop. I Installed Ubuntu 12.04. It doesn't detect my bluetooth. below is my information. lsusb | grep Bluetooth Bus 001 Device 003: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB ...
1
vote
1answer
467 views

Why does my computer freeze when I adjust the brightness?

As the title says, in 12.04, when I hold FN and press the up and down arrow keys to adjust my screen brightness, the screen starts to flicker, and the OS freezes. I have to hold the power button to ...
0
votes
1answer
164 views

problem with setting the keyboard command for show desktop [closed]

I followed the instructions provided in the link Enabling native shortcuts on Gnome - 3 for setting the shortcut of Ctrl+Alt+D for showing desktop and yet it does not seem to work. I can send a ...
4
votes
1answer
4k views

No GUI on ubuntu 12.04 Server after install ubuntu-desktop

I just got a dedicated server from hosting company and I want to use a GUI Desktop (Ubuntu Desktop 12.04 + x2go 64-bit system). So I did the following: sudo apt-get update sudo apt-get upgrade sudo ...
1
vote
0answers
398 views

Postgresql server doesn't listen

I just recently install PostgreSQL on our server via SSH. The installation went successful, until the time I tried to connect to it using pgAdmin on my Windows machine. I received this kind of error: ...
2
votes
1answer
7k views

Where to find and install ASUS motherboard drivers for Linux [duplicate]

Possible Duplicate: How to download specific ubuntu drivers for my pc This is my second day ever with Linux, and I had one heck of a time getting the nVidia drivers installed and working. ...
3
votes
0answers
50 views

error opening cache [duplicate]

Possible Duplicate: How do I fix a “Problem with MergeList” error when trying to do an update? I have been reviving the following error today, because of this I cannot install ...
2
votes
1answer
649 views

Problem trying to add Refresh option to Right click menu

I am trying to add Refresh option to Right click menu in ubuntu 12.04 64bit. I tried with the command sudo add-apt-repository ppa:dr3mro/nautilus-actions-extra sudo apt-get update sudo apt-get ...
3
votes
1answer
299 views

Ubuntu 12.04 cursor changes

I have a weird problem with my Ubuntu 12.04 dual screen setup (Toshiba laptop + one monitor). After a while the cursor on one screen completely changes its shape (not every time). I don't really know ...
0
votes
1answer
187 views

Font Assamese Inscript

I am need to use Assamese Inscript (unicode font) in ubuntu desktop for data entry process but I found only Bengali not Assamese.
1
vote
1answer
532 views

Icons label of Unity launcher sometimes disappear

From a while the icons label of Unity disappear sometimes. If I'm not wrong this issue started with the latest update of Unity (I have unity 5.14.0). I'm using Ubuntu 12.04.1. Any idea to fix this ...
2
votes
4answers
512 views

No webcam recognition in Skype with Fluxbox

I'm using Ubuntu with Fluxbox and I would like to video chat on Skype. However, Skype doesn't recognize my webcam. Ubuntu 12.04 Skype 4.0.0.8 libv4l-0 and libgstreamer0.10 are installed luvcview ...
2
votes
2answers
193 views

How do I get the 12.04 login screen to turn off screen after timeout?

On 12.04, the login screen doesn't timeout or go to screensaver after a set time. I have a number of machines in a testbed that spend a lot of time waiting for logins and I'm afraid the monitors will ...
3
votes
1answer
5k views

Why I'm getting this [UFW BLOCK] in my syslogs?

I wonder why I get this error on my syslogs: [7732763.396193] [UFW BLOCK] IN=eth0 OUT= MAC=02:8b:1a:75:d5:7b:02:8b:1a:40:00:03:08:00 SRC=x.x.x.x DST=x.x.x.x LEN=40 TOS=0x00 PREC=0x00 TTL=64 ID=53703 ...
0
votes
0answers
70 views

Black screen on Ubuntu 12.04 [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? I've just upgraded to Ubuntu 12.04 and I'm experiencing some problems. The first thing I noticed ...
0
votes
0answers
20 views

Ubuntu crashed when I am browsing web site [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? I installed ubuntu 12.04 Today when I am browsing web site, my whole PC hang. After 30 seconds, there are still not response. ...
2
votes
0answers
954 views

How can I get SLI working with 295.40?

I've been doing a lot of googling these last few hours and I'm not having much luck. Perhaps I don't know exactly what I am looking for. I just recently installed Ubuntu 12.04LTS x86_64. Looks ...
8
votes
3answers
32k views

What is “Unlock keyring” and how do I get rid of it? [duplicate]

(In my case this message never appeared before installing Ubuntu One - see this question). Can I use Ubuntu One and avoid being prompted each time like this? I use Lubuntu 12.04. Edit: After ...
1
vote
1answer
853 views

Why “Unlock keyring” appears after installing Ubuntu One? [duplicate]

Possible Duplicate: What is “Unlock keyring” and how do I get rid of it? Never had this message upon log-in before installing Ubuntu One. Can I use Ubuntu One and avoid being ...
3
votes
1answer
548 views

Cannot backup Evolution folders

After using Ubuntu since 5.04 I upgraded to 12.04 5 days ago . Then the .evolution folder showed only an empty Tasks folder. I need to save my mail folder contents (hundreds of emails) but only get ...
1
vote
0answers
517 views

How do I install/compile CORSIKA & FLUKA for 32-bit Ubuntu 12.04?

I want to use some programs (CORSIKA and FLUKA) which are essentially designed for 32 bit systems. I've installed the 32-bit version of 12.04 on my system (Intel® Core™ i7-2700K CPU @ 3.50GHz × 8). ...
1
vote
0answers
1k views

setup svn and checkout

When i try to do svn checkout using this svn co svn://ipAddress/var/svn/ulf/project myproject I get the error svn: Can't connect to host 'ipAddress': Connection refused If I use svn co ...
7
votes
2answers
10k views

How Do I fetch only the numbers in grep?

I have file like this : other lines . . . blah blah blah (:34) I wish to find the occurrence of numbers in the above file. I came up with : grep [0-9] filename But that is printing the ...
1
vote
2answers
1k views

Should I install the proprietary (Restricted) driver?

I have a Sony Vaio E series laptop with the AMD Radeon™ HD 7650M. Everything seems to be working fine, but ubuntu is telling me that I could install the restricted driver. My basic question is, what ...
5
votes
2answers
2k views

Rhythmbox won't import or play flac files

I have a new installation of 12.04 and I just copied over all my music to the ~/Music folder. Rhythmbox found all the mp3 and ogg files, but it refuses to import flac files. They simply do not appear ...
3
votes
3answers
942 views

Xmonad changes font in terminal

When I fire up a GNOME-Terminal in 12.04 This is the sort of font I get: I really like it and want to keep it. When I run Xmonad and fire up a GNOME-terminal I get this sort of font: Why are ...
3
votes
1answer
5k views

Where to install grub?

So, My partition table looks like: /dev/sda /dev/sda1 16708MB (Windows Recovery Environment (loader)) /dev/sda2 367MB (Windows 7 (Loader)) /dev/sda3 368203MB (Windows 7 Files) /dev/sda5 ...
1
vote
1answer
560 views

How can I undo this hostapd tutorial?

I was following this to try and set up a usable hotspot for my S3 and XBox 360 http://thenewbieblog.wordpress.com/2012/05/01/wifi-hotspot-setup-on-ubuntu/ Now when I go into Network>Wireless nothing ...
1
vote
0answers
226 views

Eclipse -cdt cannot start [closed]

I am using sun's java 1.7.5 and installed through sudo apt-get install eclipse-cdt. I uninstalled/reinstalled eclipse and keep on having the same error message below I looked on the forum and tried ...
0
votes
1answer
48 views

if I reinstall the same system, it remains the same?

I have problems with my system, and I haven't found any solution to them. To solve them, I decided to reinstall the same system, there's an option that says something like "install the system but ...
2
votes
1answer
55 views

Is it possible to run an application as superuser within boot without input?

I have an Ubuntu 12.04 Desktop machine running as a server with no input devices accessible after initial setup. I need to place any application that I want to run within the boot process. I have one ...
0
votes
1answer
368 views

HDMI and Bumblebee, Washed out Colors and Low Resolution

I’m on a Acer TimelineX 3830TG, Nvidia 540m, Ubuntu 12.04 using the bumblebee drivers. I just connected my external monitor to my laptop using HDMI and there is output to it, however the contrast is ...
5
votes
4answers
11k views

Disable blank screen in 12.04

After my computer with ubuntu 12.04 has been idle for a short while, the screen will go blank, and even enter standby mode. I have tried this: System Settings -> Brightness and Lock -> Turn off ...
2
votes
2answers
218 views

How do I install freesteam?

While installing the freesteam software downloaded from the http://sourceforge.net/projects/freesteam/ which is the only steam table software for Ubuntu, I am getting following error: Dependency is ...
1
vote
1answer
85 views

keeps asking for the CD how do I force it to stop asking for the CD

I have installed 12.04 and am attempting to update the wireless drivers (I have a Dell Insiron 6400), but it keeps asking for an installation CD that I do not have. How do I force it to stop asking ...
0
votes
1answer
863 views

How add cpu frequency that should be available?

I have a system with an Intel Core i7 970 that should be able to run at 3.2 GHz. I'm running ubuntu 12.04 and installed the cpufreq indicator to be able to change the governor and noticed that I only ...
1
vote
2answers
771 views

Lubuntu 12.04 on an IBM ThinkPad T21

Fairly new to linux in general, I've tried it multiple times in the past but never really stuck. I've had a T21 for ages and decided to use it when I'm not in the mood to sit at my desktop on the ...
2
votes
1answer
693 views

Man pages not finding entry

So, I'm not sure what is going on with my system (ubuntu 12.04), but my man pages do not seem to be working. I try man gcc and get the following response No manual entry for gcc See 'man 7 ...
1
vote
2answers
528 views

Why doesn't the Scanlogic SL11R-IDE USB-to-ATA adapter work?

I am trying to recover data from an old Linux that was installed in a computer on an ATA hard drive. I found a ScanLogic Corp. SL11R-IDE IDE Bridge (04ce:0002), an ATA adapter to USB 1.0 like the one ...
3
votes
3answers
366 views

SSH key plus password

I see there are continuous attempts to login into my computer via ssh using usernames, like joan florin root from 60.169.22.118, -how can I forbid ssh access and only allow it to users with specific ...
3
votes
1answer
131 views

Revert F3 and F4 behavior in byobu?

With a fresh 12.04 installation of Ubuntu, byobu's interpretation of the function keys seems to have changed. F3 and F4 will still change the active tab on the current session, but it changes it for ...
1
vote
0answers
47 views

Desktop switcher appears to be broken for quick double-switches

I'm wondering if anyone else has seen this. I have three virtual desktops aligned in a horizontal row. In the middle desktop I have only a single application window. I have keyboard shortcuts ...
1
vote
0answers
146 views

Persitent key combination generation on Dell Vostro 3550

I have installed Ubuntu 12.04 on my new Dell Vostro 3550 and noticed persistent windows and cursor blinking. When going to console (ctrl+alt+f1) and using 'cat' I see persistent generation of this ...
1
vote
1answer
612 views

New java version installation run error

I just installed a new version of Java jre1.7.0_07 it is all installed and I have already set it as my default Java using sudo update-alternatives --config java However when I go to fire up a ...
2
votes
1answer
3k views

Failed to download packages while updating 12.04

I am working on 12.04 and while I am trying to install the updates, some of them were downloaded but others failed by displaying a message that said: Failed to downloaded packages & check your ...