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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Post installing comodo issues

I have installed comodo antivirus for my Ubuntu 12.04, even if I'm a newbie I managed to enter finalize the installation, you know when you have to type sudo /opt/COMODO/post_setup.sh, went through ...
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Ubuntu 14.04 stuck in login after upgrade

After upgrading from 12.04 to 14.04, I'm not able to login anymore (guest account doesn't work too); there's a loop (it goes back to the login). What should I do? I've already read Ubuntu gets stuck ...
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1answer
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How to reset display settings in XFCE \ Ubuntu 12.04 and also flgrx drivers

I recently upgraded to Ubuntu 12.04 and since I hate unity I installed the Xubuntu package and am using XFCE instead. Since I have a Radeon HD5770 I also installed the fglrx drivers. This all went ...
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New session when remoting Ubuntu 12.04 from mac

I'm using Microsoft Remote Desktop to remotely access to my desktop with Ubuntu 12.04 (with xrdp installed) from my MacBook Pro, using the same username as in the desktop. I can successfully log in ...
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1answer
62 views
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How to update MySQL Server, MySQL Client and phpMyAdmin to the latest stable versions on my local machine running on 64-bit Ubuntu 12.04 LTS?

I'm using 64-bit Ubuntu 12.04 LTS on my machine. I've already installed LAMP server on my machine. I'm using following Apache HTTP Server version. I got following information after I type following ...
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3answers
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What happens under the hood when an USB drive is inserted?

Some systems use udev / pmount to automatically mount thumbdrives. How is that solved in Ubuntu (specifically, Ubuntu 12.04)? Apparently, neither the pmount package nor the corresponding udev rules ...
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1answer
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sudo service apache2 restart: already running

As the title says, when I run sudo service apache2 restart, the message returned says that Apache is already running. However, the service is stopped (if milliseconds later). If I run sudo service ...
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0answers
16 views

touchpad isn't working

I'm using Ubuntu 12.04. And suddenly from 2 days touchpad isn't working when I log in with my account. It works well with the guest appearance. Mouse and touchpad settings are normal.How do I make it ...
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2answers
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How do I get SSH server to work with putty client?

I have an Ubuntu 12.04.01 desktop PC, 64-bit. It has openssh-server installed. When I SSH to the server from a linux box it works. But when I use PuTTY from my Windows 7 PC to connect then I just get ...
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graphic and sound problem with SONY VAIO VGN-FS980 UBUNTU 14.04 LTS

First Ubuntu was a little slow with the graphics so I decided find for new drivers but after installing the intel graphic installer, the graphics and the computer in general are faster but the cursor ...
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7answers
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How to fix syslinux error creating a bootable USB stick in Windows?

I downloaded Ubuntu 12.04 desktop and I am trying to create a bootable USB drive using the universal USB installer. However, I keep getting the message: An error(1) occurred while executing ...
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New Ubuntu 14.04 install - can't connect to wifi

There are dozens of wifi problem here on askubuntu; I've tried the answers to several of them and nothing worked. The symptom is that my Wifi network does appear in the network menu, but when I try ...
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8 views

How do I install GNOME CD Master?

I used to use GNOME CD Master on 10.04 to split live audio tracks using 'track markers'. It did not split the main file, it could simply burn one long audio file as multiple tracks. It was a very ...
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0answers
17 views

help with uninstalling ubuntu 14.04 and reinstalling 12.04.03 lts

okay so i installed ubuntu 14.04 way back but wanted to uninstall it because battery drains very quickly.so i decided to reinstall the old 12.04.03 lts.so i formatted the the drive on which ubuntu was ...
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0answers
31 views

Upgrade from 12.04.05 to 14.04 (LTS) via terminal doesn't allow me to log in

I am a newbie user regarding Linux OS so please forgive me if I cannot explain some things correctly. I will try though to explain you in details what I tried to do and and what was the result. By ...
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2answers
3k views

Ubuntu 12.04 LTS drains my Samsung Series 9 900X3C ultrabook's battery extremely fast. Is there anything I can do to fix that?

The title basically says it all. My Samsung Series 9 900X3C ultrabook's battery is in the deep red around barely three hours after disconnecting it from the power - and during most of that time the ...
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1answer
30 views

Ubuntu 12.04 no wlan0 interface

I installed Ubuntu 12.04 on an Acer e5-571-31KM. Dmesg and lspci output indicate a wireless Network adapter was found, but according to ifconfig there is no wlan0 interface. Unfortunately I have no ...
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2answers
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Broadcom card-reader BCM57765/BCM57785 doesn't work on ubuntu `12.04 LTS

I'm having a hard time with this one. I have an ACER ASPIRE ONE 756 and installed Ubuntu 12.04 LTS on it. Everything works (with a little tweaking here and there), but unfortunately the build-in ...
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1answer
16 views

How can I use Dropbox as a backup without syncing the backup to my harddrive?

I use Ubuntu 12.04 64 bit. I read this link: "How can I use DropBox as a simple backup?" which suggests to backup using deja-dup to the Dropbox folder. However, if I would do this, the backups will ...
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0answers
10 views

Sticky Notes in Ubuntu as of windows [duplicate]

Hi I need to know about a sticky notes application in ubuntu similar to that of windows which pops up every time I boot my system as if a start up application.
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cannot install ubuntu software center [duplicate]

I removed my Ubuntu software center. but I am not able to install it again. acer@acer-Aspire-E1-530:~$ sudo apt-get install synaptic software-center [sudo] password for acer: Reading package ...
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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 ...
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1answer
4k views

ZTE USB Modem AC2726, connection not possible in Ubuntu 12.04.1 LTS

It's a long post but nearly covers all my experiments and changes I did to my NM. Hope the information is complete and if there are still question, more information can be provided. I've a ZTE AC2726 ...
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1answer
13 views

ubuntu 12.04 lts netbook installation throught usb

I want to install ubuntu 12.04 lts on my asus disney netbook and i can not launch wubi.exe from my usb drive when the computer starts up. I have checked BIOS settings and it is all ok because I have ...
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1answer
26 views

Gray desktop after updating XFCE on Xubuntu

Lately, I've been trying to run multiple monitors on Xubuntu without having them cloned. On the internet, I found some instructions to do that which basically required me to add a PPA in order to ...
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0answers
22 views

dhcpd server not listening to second interface

I have a 12.04 server which is happily responding to dhcp requests on eth1 (172.16.1.1). Now I have set-up a second interface on eth2 (172.16.2.1). I can ping this interface all right and even ...
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1answer
15 views

High CPU usage in the processes related to postgres in ubuntu 12.04

My Ubuntu server 12.04 hangs quite oftenly (say once in a day), after hard reboot it starts running normally. The server is Intel Xeon having 2 CPUs with 8GB RAM.There is high CPU usage in the ...
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1answer
4k views

How to add Ubuntu to the Windows 8 Boot Menu with a GPT Harddrive

I would like to know how to add Ubuntu to the Windows 8 Boot Menu using bcdedit. I have UEFI with secure boot enabled and both OS's can be booted from the UEFI boot menu by pressing F9. I also have ...
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0answers
9 views

Gnome-session-fall-back unity not working

I installed Ubuntu 12.04 in my old PC.But when I tried to change unity to gnome-session-fall-back,it is not working.When I login with gnome-session-fall-back unity I am only getting default Ubuntu ...
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1answer
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Ubuntu 14.04LTS RDP client supporting Hebrew

I'm looking for an RDP client that will support Hebrew (which I added to my system already) Could I use the solution I found here for an Ubuntu server?
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Unable to create new folders on ubuntu

I fresh installed ubuntu with lighttpd & I wanna add a test file to check if my server works or not. But I am unable to do so.... I am unable to create files... When I right clicked & opened ...
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Completely uninstall Nodejs, npm and node_modules

so my Node and npm settings are currently messed up beyond repair( or so I think). What I would like to do is to completely remove all of it and start from scratch. What I have done till now can be ...
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3answers
288 views

Lubuntu libdvdcss2 install-cs.sh not completing

Did an install of Lubuntu 12.04 a few days ago, and managed to get libdvdcss2 installed - all good, then I mucked up the installation because I'm a noob, and could no longer install Libdvdcss2. So, ...
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43 views
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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 ...
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0answers
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Can't read permanent MAC address 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 ...
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2answers
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Help! Online upgrade from 12.04 to 14.04 stuck

I was trying to upgrade my Lenovo T500 laptop from Kubuntu 12.04 LTS to Kubuntu 14.04 LTS. Fired up the upgrade process, and finally after downloading a zillion packages the upgrade got going, only ...
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Ubuntu 12.04.5 slow keyboard

I installed Ubuntu 12.04.5 on my Asus laptop and I have a problem with my keyboard which is randomly slow and repeat some characters. So I looked for a solution, I found that I have to disable "Slow ...
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1answer
21 views

install opencv-2.4 in beagleboard zm rev c (12.04)

I'm running ubuntu-12.04-preinstalled-desktop-armhf+omap.img in my BBxm. I want to install opencv-2.4 for a software dependency, but apt-get install only gives me opencv-2.3. I want to avoid manual ...
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Ubuntu 12.04 Sudo apt-get update failing to fetch and unable to connect [on hold]

Failed to fetch http://extras.ubuntu.com/ubuntu/dists/precise/main/binary-i386/Packages Unable to connect to 192.168.1.5:6588: W: Failed to fetch ...
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2answers
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setup dhcp server - “Job failed to start”

I have an eth0 and eth1, eth0 has dynamic IP-address and on eth1 I setup static IP-address: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address ...
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3answers
6k views

Permission denied when running .sh scripts

./geany_run_script.sh: 5: ./geany_run_script.sh: ./Area_circumference: Permission denied program exited with code: 126. This problem always occur when I try to execute my code. What might be the ...
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2answers
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Cannot connect to internet in VMWare WorkStation 10.0 - Ubuntu 12.04

I have Ubuntu 12.04 Server installed in VMWare Workstation 10.0 on host Windows 8.1 /etc/network/interfaces configuration is as follows. # The loopback network interface auto lo iface lo inet ...
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4answers
6k 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 ...
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1answer
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I can't print pdf & text files

I can't print PDF & text files. I am using ubuntu 12.04. I am able print excel docs & HTML documents. Also Print test page is working. Please help me to resolve the issue.
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2answers
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Can't add repo keys

I'm tring to add a keys (on Kubuntu 12.04) sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys SOMEKEY and I constantly get gpg: requesting key 8AC93F7A from hkp server ...
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FCOE Interface Connectivity Issue

We are trying to initialize FCOE interface for EMC SAN (vnx7600) Connectivity using open FCOE utilis on Ubuntu 12.04.5 LTS with Broadcom (brcm 10gbe 4p 57840s-kbndc) network card. But we are able to ...
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1answer
5k views

Why does Ubuntu gets stuck on the loading screen?

I've been experiencing many problem lately since I fresh installed Ubuntu 12.04 LTS on my SONY VAIO VPCEH with Windows 7 previously installed. Sometimes when I try to boot Ubuntu, it gets stuck at ...
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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 ...
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0answers
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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 ...
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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 ...