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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Not detecting any external devices

I've recently installed Ubuntu 12.04 it was working fine unless I messed up with a command. I change all user permissions(as they call ago permission in Ubuntu) by running command sudo chmod -R 777 /. ...
3
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2answers
8k views

How do I set a custom keyboard shortcut to control volume?

I would like to be able to set three custom keyboard shortcuts to be able to decrease, increase and mute the volume in Ubuntu 12.04 (Unity). On my old Ubuntu 10.04 (Gnome) system I made CTRL + [, CTRL ...
1
vote
1answer
834 views

Synaptic touchpad on laptop not working after update

I have found this solution from a thread a while ago but its temporary fix only: This seems to be a bug in 12.04.2. As stated in comments, a simple fix would be unloading the mouse driver ...
0
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1answer
62 views

Why is there a one-second timestamp difference on copy?

I periodically copy a folder from my Ubunto 12.04 laptop to a removable USB flash drive, using the Ubuntu file system (i.e. Nautilus 3.4.2) to drag the folder from one window to the other. It then ...
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3answers
3k 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 ...
0
votes
1answer
37 views

Easy method of switching from Openvpn-Acess Server to Community Edition?

I recently installed the OpenVpn-Access Server on a vps and it's great. However, now that I got it running I want to switch over to the Community-Edition because I do not want to deal with purchasing ...
0
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0answers
8 views

Wake-On-LAN (WOL) not working if hibernating for a longer time

I am using pm-hibernate to set my 12.04 server to power saving mode. If it is woken up using Wake-On-LAN after a short time (e.g. 10 minutes), everything works OK. But if I try to WOL the server ...
2
votes
4answers
5k views

Tata Photon Plus not working in Ubuntu 12.04 though configured and was running once upon a time.

I have installed Ubuntu 12.04 few months back. My modem, Tata Photon Plus got connected after a number of unsuccessful trials and I browsed the net successfully. But since a month, it is not getting ...
0
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0answers
14 views

see how much virtual memory is assigned to a process-bash

I have written a script which assigns virtual or "simulated" memory to a process that I have created. What I want to know is, how can I then list how much memory the process has? I want it to return ...
0
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1answer
69 views

Generic problem with networkmanager on Ubuntu 12.04 / elementaryOS [solved] [closed]

Hello together: Since some days I've got issues with the networkmanager under Ubuntu 12.04. To be concrete it is the nm-applet itself. I can connect via LAN or WLAN without problems, but some entries ...
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0answers
12 views

Modifying the Login process [on hold]

I want to replace the Login process with a graphical one.. So on start i should get the graphical environment build in openGL.. Do I have to build a package first and then work around LightDM? Any ...
0
votes
1answer
20 views

Installing HHVM “The following packages have unmet dependencies”

Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created ...
0
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1answer
4k views

Wubildr.mbr is missing or corrupted

I just installed Ubuntu using WUBI. I followed this tutorial and when I select Ubuntu from Windows boot loader, it says wubildr.mbr is missing or corrupted. Then Windows boot manager appears again. ...
0
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0answers
14 views

Ubuntu 14.04 runs on Virtualbox but not on PC

I once upgraded from Ubuntu 12.04 to Ubuntu 14.04 but it didn't started correctly(only black screen appeared). Then, I switched to terminal mode by pressing Ctrl+Alt+F1 and installed proprietary ...
2
votes
1answer
32 views

Screen rendering problem on Ubuntu 12.04 with Intel video card

I recently installed Ubuntu 12.04 on an old Sony laptop and I've had a problem I've never seen before. The side bar menu text, the dropdown menu text and sometimes the background image weren't ...
0
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0answers
12 views

Ubuntu fails to boot after modifying GRUB entries

Ubuntu was working fine until I followed this answer in order to boot Windows 8 without having to go into BIOS and enable the secure boot control option. Now it just hangs on a purple screen after I ...
2
votes
2answers
6k views

No boot option after installing Ubuntu 12.04 LTS on Acer Aspire 4736z with Live CD

I am facing a problem. After installing Ubuntu 12.04 LTS using Live CD, at the reboot there is no boot option to choose the OS. I directly get logged into my Windows 7. Before that i was having an ...
0
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2answers
4k views

Brightness options in Ubuntu 12.04 desktop missing

I am unable to change the brightness of my desktop screen using this path. System settings{top right corner of the screen)>Under Personal Brightness & lock.No option to change brightness is ...
1
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1answer
3k views

Got error 'GRUB installation failed' while installing ubuntu 12.04 lts on windows 8

I have Sony vaio with Windows-8. I also want Ubuntu 12.04 as my second OS. I created 50GB root partition and 4GB swap-area partition. But after some time(about 2 minute) while installation I got ...
1
vote
1answer
14 views

intalling htk on ubuntu 12.04 inside bin directory

I’m getting an error when trying to $ sudo make all the htk files during installation: (cd HTKLib && make HTKLib.a) \ || case "" in *k*) fail=yes;; *) exit 1;; esac; make[1]: ...
4
votes
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 ...
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2answers
1k views

Ubuntu 12.04 LTS - HP Probook 4515s - WLAN Problem

I installed ubuntu 12.04 on my HP ProBook 4515s but the wlan (i think it is a Broadcom 4312) doesn't works. So i tried this: Wireless not working - HP Probook 4540s .. and had the same problem: ...
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2answers
1k views

Package System is Broken

This is what Update Manager pops up with: The following packages have unmet dependencies: libc6: Depends: libc-bin (= 2.15-0ubuntu10.4) but 2.15-0ubuntu10.4 is installed Depends: libgcc1 but ...
0
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2answers
40 views

Would like to sample 14.04 before committing to it [duplicate]

Would like to sample Ubuntu 14.04 before committing to it. Presently running Ubuntu 12.04. Have burned a DVD with Ubuntu 14.04. How can I run from this DVD?
1
vote
1answer
65 views

Is it possible to run stress at the same time as vmstat/iostat etc?

I have written two scripts-one to stress the system and one to run vmstat etc. I am able to get the file outputs for vmstat etc but am not able to get the ones for stress as it tells me that the file ...
0
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0answers
30 views

[[Solved]] Ubutu 12.04 new installation shut down problem

I have installed Ubuntu 12.04 on my new laptop DELL Inspiron 5743 with preinstall Ubuntu 12,04 because I want to have dual boot with Windows 7. First with Gparted I made 4 partitions and first ...
8
votes
4answers
37k views

Wired connection not working Ubuntu 12.04

My connection was fine until now, but my wired connection is not working in Ubuntu 12.04. I have installed Ubuntu 12.04 along side Windows 7 partition and the connection works on Windows but not on ...
2
votes
2answers
8k views

Ubuntu 12.04 (Wubi) not starting - root.disk corrupted

I have Ubuntu 12.04 installed through Wubi on my laptop. For some reason when i click on Ubuntu on start up (when you have to either select windows or Ubuntu) I get the following screen, the grub ...
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0answers
14 views

Accessing my Server over the Public Internet

I have installed apache couchDB on my server and ran the following command : HOST="http://commcarehq:commcarehq@127.0.0.1:5984" curl -X PUT $HOST/commcarehq which was succesfull but when I run ...
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votes
0answers
8 views

Is the Dell XPS 8500 Compatible with the latest version of Ubuntu? [duplicate]

Hello i am new Ubuntu user and i need some information.I would like to know if the Dell XPS 8500 hardware is compatible with the latest version of Ubuntu? I also need assistance with how to create a ...
4
votes
3answers
12k views

Ubuntu 12.04 does not recognise CD

~$ wodim --devices wodim: Overview of accessible drives (1 found) : ------------------------------------------------------------------------- 0 dev='/dev/sg1' rwrw-- : 'MATSHITA' 'DVD-RAM UJ8B1AS' ...
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2answers
24 views

How to get the list of all installed softwares and uninstall the ones which user wants(like add/remove programs in Windows) in Ubuntu 12.04 LTS?

I'm using Ubuntu 12.04 LTS 64-bits OS on my machine. Previously I was using Windows on my machine. Now in Windows, in Control Panel there is one option Add/Remove Programs which lists all the ...
2
votes
1answer
4k views

Getting openvpn working ubuntu

I am trying to set up a VPN over a few VMS that I have. I created an openvpn server on ubuntu 10.04 and am trying to configure the client using 12.04. I followed these instructions here ...
2
votes
1answer
6k views

Upgrading ubuntu 12.04 32 bit to 64 bit [duplicate]

I have recently installed ubuntu 12.04 LTS i686.I want upgrade it to 64 bit.How can I do it via terminal?
0
votes
1answer
3k 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 ...
8
votes
3answers
11k views

How to hide the mouse cursor

I'm building a kiosk using Ubuntu Precise on a touch screen. Now I'm looking for the appropriate way to make the mouse cursor disappear. As people know where they are pointing, displaying an arrow ...
2
votes
1answer
3k views

Is it possible to use Ubuntu as speaker while playing music from a bluetooth-linked smartphone?

Is there a way to use the notebook as speaker for my smartphone? I linked them via Bluetooth and saw that the smartphone can be used as an input-Device for music and sound. You can see it here: My ...
3
votes
1answer
52 views

Help: “aptd” is maxing out my CPU?

I am running Ubuntu 12.04 and have a "aptd" process running as root (which I understand is correct) but eating 95% CPU (which is definitely not right). As per one of the answers here How to stop ...
0
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2answers
4k views

Geny Motion - trick to download the .ova files for Ubuntu 12.04 (old links are not working)

I'm using the Ubuntu 12.04 LTS version . I had also installed the genymotion. But I had a slow internet connection, so I'm unable to download that large size file in my home. I had searched many ...
4
votes
4answers
32k views

How can I install libpcap header files on Ubuntu 12.04?

How can I install libpcap header files on Ubuntu 12.04? When I use apt-get install libpcap I receive following message: Reading package lists... Done Building dependency tree Reading state ...
0
votes
1answer
8k views

VPN connection successfully established, but IP address does not change

I have set up an OpenVPN connection via the network manager on Ubuntu 12.04 following these instructions: https://www.privateinternetaccess.com/pages/client-support/#ubuntu_openvpn_installer ...
2
votes
1answer
4k views

Can't mount cd/dvd r/w drive in Ubuntu 12.04

I'm pretty new to Ubuntu and I'm having some troubles mounting my drive or getting it to detect media. When I do this: dmesg | grep "sr0" I get : [ 2.096797] sr0: scsi3-mmc drive: 24x/24x writer ...
6
votes
2answers
384 views

Ubuntu 12.04 keeps booting to tty1

I was trying to install xdmx & the last thing that I did was deleting the ~/.XAuthority* files since I was getting error in locking authority file. On rebooting, I found myself on this screen. I ...
1
vote
1answer
4k views

How can I revert to the previous kernel version w/out dependency issues?

Since ubuntu updated my install to 3.2.0-37-generic, my laptop fan constantly runs. I never had this issue with the previous kernel versions. To fix this problem, I would like to revert back to the ...
0
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0answers
20 views

Ubuntu 12.04 Waiting for Network Configuration, But System Works [on hold]

On boot, the Ubuntu boot GUI hangs on "Waiting for Network Configuration" indefinitely instead of the normal 60 seconds or so. If we run the boot verbosely by editing /etc/default/grub it goes to ...
1
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0answers
454 views

Cannot connect to WiFi with Ubuntu 12.04 [on hold]

I have a Dell Latitude E6410 that I cannot get to connect to a specific WPA-Personal Wireless network when Ubuntu 12.04 is installed. What is strange, is that when I have 11.10 (32-bit) installed ...
0
votes
1answer
4k views

COMRESET failed and slow boot times

I've been having slow boot up times with a fresh install of 12.04.2 LTS. I see this in my syslog: Jul 2 13:42:56 victor-Lenovo-U310 kernel: [20058.135895] ata1: link is slow to respond, please be ...
0
votes
1answer
27 views

How to install Git GUI on my local machine that runs on Ubuntu 12.04 LTS 64-bit OS? [duplicate]

I'm running Ubuntu 12.04 LTS 64-bit OS on my local machine. I want to setup/install Git GUI on this machine. Then I'm having one repository at GitLab that I need to make clone of on my machine, then I ...
3
votes
3answers
11k views

Is my kernel version OK or I have to update it?

I'm using Ubuntu Precise : $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS" but my kernel version is: $ uname -r ...
0
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0answers
24 views

Why is my kernel not upgraded to the latest version? [duplicate]

My server runs Ubuntu 12.04.5 LTS. I try to keep it up to date as possible by doing sudo apt-get update && sudo apt-get upgrade regularly. So far I was assuming that this would update the ...