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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29
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5answers
40k views

What alternatives for sticky notes are available?

I like the Sticky Notes very much, they are always on the desktop. But in the current version of Ubuntu (12.04), I can't find it. Other programs like gnotes & Xjournal are not giving a feature to ...
1
vote
2answers
51 views

Install driver for Exar XR17V358 in Linarto Ubuntu 12.04 LTS

I have a Freescale iMX6 SMARC module and carrier board. It came from the manufacturer with Ubuntu Linaro 12.04 LTS (kernel 3.0.35). I need a lot of serial ports, so I got the Syba 8 port PCIe card ...
0
votes
3answers
3k views

wifi not getting detected in my HP pavilion 15-N011TU having ubuntu 12.04

I brought a new HP pavilion laptop with Ubuntu 12.04 in it. However the problem is , that is not detecting any wireless connections. Wired connection on the other hand works fine. I tried many things ...
9
votes
2answers
4k views

How to bulk convert .djvu files to .pdf?

I have about 200 .djvu ebooks which I want to convert into .pdf. Since one-by-one conversion is tiresome I want to know if there is a way to convert them all at once. Any help will be appreciated.
9
votes
3answers
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 ...
0
votes
0answers
15 views

12.04 Mouse pointer freezing in google chrome

If I use Google Chrome to view videos on Youtube the pointer freezes but I can still use mouse although the pointer is invisible, it will stay that way even after closing Chrome until I restart the ...
1
vote
2answers
5k views

No back light on my Acer Aspire 5734z

I installed Ubuntu (12.04) on my Acer Aspire 5734z and the back light stopped working. I have tried the fix by editing the grub file posted on here a couple of days ago but that hasn't fixed it. I ...
1
vote
1answer
2k views

bluetooth headset can connect, but not visible in pulse audio

I have a plantronics bluetooth headset, and until yesterday I could use it without any problem. However, today it suddenly stopped working (maybe related to the last software update I did). I can ...
0
votes
0answers
19 views

Stop Auto volume gain up, down

When i am using Google Chrome web browser, it use audio auto gain control. As a result the default audio volume keep getting changed from 20% to 100% or 50% and it creates a serious annoying problem. ...
0
votes
0answers
11 views

Unhandled error occured software-properties-gtk

Hello I do have problem on my Software sources. how do I revert this to original state and remove the package that are no supposedly needed I mess up when upgrading it. Details is ...
1
vote
2answers
36 views

Firefox wants to open everything with gvim!

Whenever I click a download link in Firefox (Ffox 38, on Ubuntu 12.04LTS) such as a PDF, I get And there's nothing more sensible than GVim in the Open With menu. When I look in about:preferences, ...
0
votes
0answers
16 views

Overlap a full-screen application on another fullscreen application

I am trying to overlap VLC (Since I don't want to have any title bar, top bar; I just want a windowsless player) on another fullscreen application. Is there any solution to solve this ?? Where VLC ...
0
votes
0answers
29 views

mount Yosemite partition partition in ubuntu

I upgrade my mac OS X to yosemite 10.10. after upgrade, I can't mount (sda2) partition in ubuntu 12.04. this partition info in ubuntu disk utility is: usage: filesystem partition type: ...
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 ...
0
votes
0answers
14 views

creating bootable DVD after burning the software onto it

I have burned ubuntu iso file on to my dvd. I want to install ubuntu now. But my dvd is not Bootable. How to make it bootable please help me
1
vote
0answers
42 views

E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution)

Hello I'm new to ubuntu now version 12.04 I mess up with the update and Now I cannot access the server from x2go. Can anyone help me on this? sudo apt-get install -f Reading package lists... Done ...
3
votes
1answer
5k views

Reset network configuration in ubuntu 12.04

My DSL internet did not connect by network-manager! So I tried to use sudo pppoeconf and my laptop connect to internet successfully. After that my problems are started! First of all network-manager ...
0
votes
2answers
181 views

How to make bash scripts execute when clicked upon?

I am trying to create a bash script for the Dash home button, as I am trying to fully replace the Unity dock with the Cairo Dock. Unfortunately, I have been unable to make it so that the script only ...
2
votes
1answer
57 views

Installing desktop environment changed BG in GRUB2

As a Ubuntu 12.04.4 LTS 32-bit user I have installed various desktop environments and discovered that somehow the loading screen and the background of GRUB2 changed from pink to grey together with a ...
0
votes
0answers
26 views

Ubuntu Software Center won't stop searching activity

I'm running Ubuntu 12.04 LTS. I have been unable to cancel a search in Ubuntu Software Center, the process keeps going and going and I cannot install other programs. How do I cancel this? (its been ...
0
votes
0answers
7 views

Mouse unresponsive under 12.04

I am having a problem with the built in touch device on two different laptops under the latest update of Ubuntu 12.04 desktop. First laptop was an Acer Aspire which has since been pulled from ...
1
vote
1answer
27 views

Ubuntu installation from live CD: Hangs after splash screen

Ubuntu 12.04.02 i386 live CD "Try without install" hangs at splash screen. I looked at output and it hanged after Stopping System V runlevel compatibility [ok] Then i tried 15.04 amd64 ...
0
votes
0answers
54 views

“Unable to fetch some archives” error while installing mysql on ubuntu 12.04

I am trying to install mysql on a fresh installation of ubuntu 12.04 using the command sudo apt-get install mysql-server i see the below issue with dependencies unable to download: Failed to ...
1
vote
2answers
321 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 ...
1
vote
2answers
709 views

I can't install IceCat on ubuntu 12.04

I want to install IceCat on Terminal but it doesn't work. $ sudo add-apt-repository ppa:gnuzilla-team/ppa && sudo apt-get update && sudo apt-get install icecat -y Cannot access PPA ...
-1
votes
2answers
4k views

installing drivers for ati radeon r7 240

i recently bought a new system, dell with Intel® Core™2 CPU 6700 @ 2.66GHz × 2 processor, 2g ram, hdd, etc, but no graphics. to save on money i skipped gettiing a windows key and went with ubuntu ...
3
votes
3answers
6k views

What should I do at “Installation Type” step in the Ubuntu installation?

I have put 12.04 onto a USB drive and I am attempting to install Ubuntu this way. I'm using Windows 8 (I upgraded from Windows 7 myself). I don't know what to do when I get to "Installation Type" step ...
1
vote
1answer
203 views

Could not ping Solaris KVM Guest from another computer

I setup Solaris Guest using KVM in Ubuntu. I don't have problem pinging host (Ubuntu) to guest (Solaris) and vice versa. Also my Solaris guest can ping other computers in my network but not the other ...
0
votes
1answer
20 views

How to tell if I have a firewall installed on my VM

I inherited a college VM I am trying to setup to accept remote connections to its MySQL DB from my local phpMyAdmin I am going through some SO Questions and tutorials (this/this) on setting this up ...
7
votes
5answers
18k views

Cannot disable Airplane Mode

When I use gnome network manager it indicates that wireless is disabled by hardware switch while it is not. Even in windows I can not turn on my wireless!
1
vote
1answer
5k views

Validity Fingerprint Sensor not detected

I have a VFS471 Validity Fingerprint driver that is not detected in my HP Probook 4530s. Can someone help?
1
vote
1answer
3k views

With Kernel 3.5.0-21 the wireless card Realtek RTL8723AE-BT stop working

Yesterday, I updated my Ubuntu 12.04 to the Kernel 3.5.0-21 and the wireless card stop working... In other threads I saw the same problem with another kernels. Anyone have the new driver? I sent a ...
1
vote
1answer
857 views

Ability of linking contacts in Empathy 3.4 is missing

I have installed Ubuntu 12.04, with Empathy 3.4. I discovered that ability of linking contacts from different networks is missing from context menu. Is it bug or I need to install something?
8
votes
2answers
2k views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
0
votes
1answer
3k views

How to install heartbeat?

I need to setup a Linux cluster. For that, heartbeat is used in CentOS. Is there a heartbeat package for Ubuntu as well, and if so, how can I install it?
0
votes
3answers
26k views

“You are missing the following 32-bit libraries, and Steam may not run: libc.so.6” The common fixes don't work,

So I know this is a problem that has been asked around a lot, but I've tried a bunch of solutions with no success. I'm running Ubuntu 12.04 (64 bit), and I just installed it yesterday. This is my ...
4
votes
1answer
4k views

How do I update to Ubuntu kernel 3.13.0 on 12.04 LTS without breaking the Nvidia graphics driver?

I'm running Ubuntu 12.04 "LTS" on a Lenovo W530 (Nvidia Optimus architecture) and updated the kernel to 3.13.0-32-generic as the version of the kernel I was running was going out of support, ...
2
votes
1answer
21 views

How to cause xfce4 whiskermenu to invoke when super is pressed?

I have installed Xfce4 Panel and its whisker menu plugin onto my instance of Unity. I want to make the whisker menu appear when I press the super key instead of Unity Dash. How might one go about ...
1
vote
3answers
4k views

Ubuntu 12.04 does not shutdown

I am using Ubuntu 12.04 amd64 desktop. It worked fine, but after the last update, the system does not shutdown. It gets stuck with the last line on the screen being: unmounted /kernel/debug I ...
0
votes
0answers
66 views

Bought HP 455 G2 preinstalled with Ubuntu 12.04 and upgraded and it no longer works

So I bought this system HP 455 G2, and noticed that it came with Ubuntu 12.04, which I thought was strange, so I upgraded to ubuntu 14.04 and the cursor disappeared, I looked everywhere for a solution ...
2
votes
2answers
3k views

Recover broken window manager

I'm running Ubuntu 12.04, 64 bit I noticed that "compiz" was eating 40% of one of my CPUs and wanted to find its configuration. After not being able to find anything in the "Settings" with words ...
1
vote
3answers
9k views

How to enable bluetooth for Dell Inspiron Laptop?

How do I enable Bluetooth for my Dell Inspiron laptop? It tells no adapters found.
10
votes
4answers
40k views

How To Debug and Fix PPTP/VPN Client Connection

I am asking a question, which has two sub-questions. Those are how can I get VPN to work on Ubuntu 12.04, either by getting the built-in pptp VPN to work or through manual configuration. Microsoft ...
2
votes
2answers
2k views

Crontab GUI for Ubuntu 12.04

Is there any app for the Ubuntu 12.04 LTS (server, no visual interface) in order to easily manage crontab? Maybe a daemon running in background and access to it via a web browser? Using crontab -e is ...
3
votes
5answers
7k views

build wine 32bit from source on ubuntu 12.04 64bit

I'm trying to build wine from source. apt-get build-dep wine installed some dependency packages. When running the configure script, following error occurs: checking for X... no configure: error: X ...
5
votes
4answers
40k views

Damaged SD card (badly unmounted?) How to fix?

First Off I'm using Ubuntu 12.04 on a laptop with a built in card reader. I have a sandisk 8Gig micro sd card that came with my HTC Desire HD phone. Unfortunately I had mounted it to a windows ...
2
votes
0answers
162 views

How to fix: too short external monitor's resolution after HDMI reconnect until reboot?

I am working on a notebook with external monitor via HDMI and experiencing the same problem each day - in one specific case the external monitor's resolution is not set correctly - gets 1600x1200 ...
0
votes
1answer
3k 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: ...
0
votes
1answer
4k views

Turn off MySQL --skip-grant -tables

I reset my root mysql password with the following instructions: (Works for Ubuntu as well) http://www.debian-administration.org/articles/442 But now I can't turn off mysqld_safe --skip-grant-tables. ...
1
vote
1answer
5k views

no sound in Ubuntu 12.04 and /dev/dsp does not exist

Computer isn't playing audio. I've checked the hardware volume buttons, pavucontrol, and alsamixer. Nothing is muted. I've added the ppa sudo add-apt-repository ppa:ubuntu-audio-dev. I've also done ...