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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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 ...
1
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0answers
2 views

Radeon HD 7770 Ubuntu 12.04 installation problem

I try to install ubuntu 12.04.5 but it always says "The system is running in low-graphic mode" after I clicked OK it says "Stand by one minute while the display restarts" but after waiting 5 minutes ...
0
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0answers
8 views

Ubuntu 12.04 in login loop as lightdm-session says upstart not found

I tried to install a package systemd (this replaces upstart in Utopic 14.10 and up). See my yesterday question How to Re Generate All Gnome Schemas for Ubuntu 12.04. The result was that it didn't ...
1
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2answers
3k views

TP-Link TL-WN8200ND works very slowly

I run Ubuntu 12.04 on a PC, recently I purchased a TP-Link USB adapter TL-WN8200HD As it turned out it is not supported by the drivers that came with the Ubuntu 12.04. From Web Search I understood ...
1
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3answers
603 views

“unresolvable problem” error when upgrading from 12.04 to 14.04

So I have solved this issue, but now I have another problem: An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu ...
2
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4answers
2k views

Black screen after installing hardware support

I'm using Ubuntu 12.04.4 LTS on my VMware Player. Update Manager popped up this morning with a bunch of updates and I installed them and restarted the OS - I didn't face any problems at all. But I ...
0
votes
1answer
14 views

error opening display after lightdm stop

I'm trying to install CUDA and following these instructions. Eventually I get to a point where I need to run: sudo service lightdm stop At that point the GUI shuts down but instead of a terminal ...
0
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0answers
6 views

Can't read permanent MAC and adapter has no association?

I'm using a Rosewill RNX-n180ube USB wireless adapter on Ubuntu 12.04 64x. I've found two things to be strange that I want to fix. To start, when I put the connection down to use mac changer I get ...
3
votes
1answer
6k views

Setting global environment variable for everyone

If I set a variable in /etc/environment, it only seems to apply to administrators while in sudo su. How can I get the variables to apply to everyone? Especially when they are in terminal? Do the ...
0
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2answers
3k 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 ...
1
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2answers
30 views

Will “kill -SIGTERM” stop “tail -f”?

Just as the title says, Google gives me nothing and I can't test it on this server. The command as is follows: tail -f <file> | fgrep --line-buffered "string" | sed -u 's/stuff//g' >> ...
3
votes
1answer
3k views

Fonts look bad in Microsoft Office using Wine

Office fonts in wine look very different from what they look in Windows or LibreOffice. As can be seen from the attached screenshots, they look blurry in some sizes and aliased in other sizes. You ...
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0answers
110 views

Problems booting 12.04 LTS

I have had Ubuntu for awhile now and haven't had any real issues until recently. About 1-2 months ago I started having booting issues. On bootup, I receive a Debian screen asking for what version I ...
2
votes
1answer
535 views

Windows 7 hangs at grub's purple screen when dual booting

I have installed a new laptop (Lenovo Z510) for dual boot Ubuntu 12.04 and Windows 7 64 bit. After several trials it now works, but I have a strange effect. I always enter the Grub purple screen ...
0
votes
1answer
429 views

HP slim bluetooth keyboard connection failed

I just got the Hewlett Packard Slim Bluetooth Keyboard (KT-1281) and a corresponding HP BT Mouse. While the mouse is quickly connected and works smoothly on Ubuntu 12.04, the keyboard is detected, but ...
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 ...
2
votes
3answers
3k views

Ubuntu 12.04 boots to TTY1

Alrighty, I have perused the threads already in existence and am finding none of them seem to have the exact combination of variables I've got going. I'm working on a computer using Ubuntu 12.04. ...
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0answers
34 views

Burning DVD multi session in Ubuntu 12.04 using Terminal?

Is any ways to burn the DVD+R multi session in Ubuntu by using terminal? How many ways we can burn? As I know growisofs, but it's not matching to my requirements, any other package?
2
votes
1answer
7k views

Configuring Wacom Tablet buttons and options

I have a new Wacom Intuos5 Touch Medium. Surprisingly enough, it worked out of the box when I connected it to my computer (Ubuntu 12.04 32-bit), including the pen pressure and some touch pad features. ...
1
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1answer
14 views

Check which SSH key was used to login

So stupidly enough in our development team every individual SSH Key is used to access the root user directly. When Checking the auth.log i can find this Dec 18 09:45:04 webserver sshd[12377]: ...
1
vote
2answers
21 views

Ubuntu not booting

I have a new Dell Inspiron 3542 laptop with pre-installed Ubuntu 12.04. Recently I tried to upgrade to ubuntu 14.04 LTS. After all the download was done online, Update Manager was Installing and ...
1
vote
1answer
194 views

No sound in Chrome browser (flash, HTML5) in Kubuntu 12.04

I am running Kubuntu 12.04 LTS and latest Chrome browser. Since some update, I cannot get any sound when running any flash video or game within Chrome or even HTML5 videos like YouTube. I have tried ...
0
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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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votes
11answers
48k views

How do I hide the GRUB menu showing up in the beginning of boot?

I stopped Dualbooting and I dont want to have to choose the OS anymore and just have it load Ubuntu like normal like before? Any help is appreciated.
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0answers
6 views

Ubuntu 12.04 Unity interface becomes invisible when trying to modify color or highlighting of a text in LibreOffice

I'm experiencing a weird problem, and I'm not sure whether it is about Libreoffice or Unity shell itself or both. While working in Writer (version 4.2.8.2, but I experienced the same in 3.5), I try ...
3
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3answers
24k views

Airmon-ng command not found

In the terminal I get Command not found when I type: airmon-ng start wlan0 What can I do to access the airmon-ng command?
0
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3answers
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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1answer
28 views

how to make keyboard to press ctrl key after every 5 minutes?

I have the xdotool installed and would like it to: press the Ctrl key every 5 minutes scroll a window up and down every 5 minutes make a mouse click every 5 minutes How should I proceed?
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4answers
4k views

How to use GNOME Color Manager in Ubuntu 12.04?

I need to correct colours displayed by my monitor. From the 'Ubuntu Software Center' I have installed the 'GNOME Color Manager', but I cannot use it for making my own colour profile: I have not found ...
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2answers
10k views

Why cannot Ubuntu 12.04 detect windows 7 (dual boot)

I was trying to install Ubuntu 12.04 alongside with windows 7. I only have one hard drive (1TB), and I first installed window 7 on one partition. Now there are about 500GB unlocated space on the disk, ...
0
votes
2answers
5k 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
10 views

12.04 LTS: Monodevelop having nothing but bugs? (Unity, ARM, Crouton)

Anything related to Mono/MonoDevelop refused to install on my desktop before. So, I decided to reinstall Ubuntu. The first thing I did when I opened it was go to UXTerm and type sudo apt-get install ...
0
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1answer
26 views

How to use rsyslog?

I've been scouring forums for a few hours and cannot find a concrete explanation on how to use rsyslog. I really just need the basics. I have a log file logFile.log and I want to forward the logs to ...
4
votes
2answers
4k views

No GRUB Screen or recovery mode on Boot after 12.04 Upgrade

I tried the live boot CD and boot-repair, also loaded the Desktop install CD, and it looks like all partitions check out OK. However, when I try to boot Linux (the only bootable partition on the ...
0
votes
1answer
13 views

How to Re Generate All Gnome Schemas for Ubuntu 12.04

To compile a package I went on installing systemd package from Utopic 14.10 with all its dependencies on my [Modified] Ubuntu 12.04. As it's not existing in Systems prior to Trusty 14.04. Everything ...
0
votes
1answer
1k views

Package Operation Failed. Installation or removal failed

I'm new to linux so excuse my lacking experience. Anytime I try to install anything, including just running the updater, I get an error saying Package operation failed the details button shows this: ...
2
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0answers
19 views

Running 3 monitors on Ubuntu 12.04

I would like to run 3 monitors on Ubuntu 12.04. I have NVIDIA Quadro 5000 which is able to support 2 monitors. I only have an additional PCI slot so my option are limited for a second graphics card. I ...
2
votes
1answer
3k views

Unable to Boot: error couldn't read file

I have installed Ubuntu 12.04 LTS on an IBM Thinkpad T41. Up until Linux 3.2.0-30 generic everything was working fine. I accept all the software update. With 3.2.0-31 generic the machine freezes ...
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0answers
20 views

unable to install octave in 12.04

Some packages could not be installed. This may mean that you have Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable ...
3
votes
2answers
152 views

Constant HIGH CPU Usage - even after reboot with no applications

Here is a PROBLEM, a lists of my ATTEMPTS to solve it, and a PLEA for help: [As indicated, I have read all similar 'answered' questions, and have not found an answer that works for me.] ...
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votes
0answers
22 views

Screen repeatedly goes black for a few seconds after suspend

When I suspend my laptop and then resume, the screen repeatedly goes black for a few seconds and then returns to normal. This happens randomly about once a minute without my behaviour having any ...
1
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1answer
11 views

Getting error after ubuntu 12.04 update

I was using 'ubuntu 12.04'. Windows7 is already installed in the system. I am getting the following error when I try to update Ubuntu (sudo get-apt update) GNU GRUB version ...
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votes
1answer
27 views

How to get in desktop mode from terminal in ubuntu 12.04 lts [on hold]

I am new in ubuntu, Our ubuntu server is running 12.04.2 LTS and i would like to back up the system. But the one i see in youtube and google is different from what i saw. after logging in username ...
7
votes
1answer
110 views

How do I regain access to my encrypted home directory after changing my password?

On 12.04 LTS x64, I changed my user password via the User Accnts tool. After that I was unable to login again with my new password since my home directory is encrypted and the above-described bug does ...
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votes
0answers
9 views

Write udev rules for serial device

I have one concern regarding device name assign by kernel like /dev/sda* , /dev/sdb* ... etc but i would like to write rules for assign name to new pattern like "/dev/sc**"(starting with modified ...
0
votes
1answer
15 views

getting different version of java in ubuntu

I am getting different version of java when i run java -version and javac -version. for java-version iam getting java -version java version "1.7.0_65" OpenJDK Runtime Environment (IcedTea 2.5.3) ...
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1answer
30 views

Ubuntu on Chromebook not booting properly [on hold]

I have recently installed Ubuntu 12.04 on my Acer Chromebook to play games. I switched over to Chrome OS earlier today to do some homework. When I switched back, there was no desktop icons. Just the ...
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1answer
183 views

Updating kernel version from 3.2 to 3.8.0 wired connection not working in 12.04(LTS)

After updating kernel version from 3.2 to 3.8.0 wired connection not working in 12.04(LTS) $ uname -r 3.8.0-030800-generic $ ifconfig -a eth1 Link encap:Ethernet HWaddr 9c:2a:70:cd:f2:c5 ...
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0answers
15 views

LinConnect failure to install

When I ran the commands from github (as per http://www.techrepublic.com/article/get-android-notifications-on-your-linux-desktop/ ) on Lubuntu 12.04.1, I got this before the install stopped: ...
2
votes
1answer
6k views

Xubuntu 12.04: Use unity-greeter and set user background automatically

on a fresh Xubuntu 12.04 Installation i have set greeter-session=unity-greeter in /etc/lightdm/lightdm.conf. Also I have installed unity-greeter gnome-settings-daemon. Now I want to change the ...