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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How to fix Ubuntu server 13.04 slower boot when network cable is unplugged

I have noticed that when I unplug the network cable, system waits about 100 seconds to configure the network, So I edited /etc/init/failsafe.conf and comment two wait() lines (thanks to tutorial here) ...
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2answers
899 views

Right Click menu of firefox 20 does not work in ubuntu12.04 amd64?

After I update firefox to version 20, right-click on the web page gives almost all of menu list. I use firefox 'Menu Editor' extension to cancel some list items in right-click menu, but I find some ...
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1answer
754 views

Configure Thunderbird to use google contacts for suggestions

How can I configure Thunderbird to make suggestions on partial e-mail addresses or names while composing an e-mail? I already have imported my google contacts as an address book, but it appears that ...
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1answer
171 views

I made a icon for burg in ubuntu 12.04 but icon not shown

I made a icon for burg in ubuntu 12.04 but icon not shown ??help image format .png and i set to rgb with size 128x128 px in photoshop but it is'nt working in my burg,,can anyone tell me how to save ...
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777 views

Problem with video playback Ubuntu 12.04 LTS

Hardware: processor- intel Pentium(R)4 2.8 Ghz, 1GB RAM, Graphics Unknown switched over from windows xp to Ubuntu 12.04 LTS recently. Horrible problems with audio and video playback. I am a new user. ...
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1answer
249 views

In Ubuntu 12.04, /dev/.udev/db no longer exists

Prior to Ubuntu 12.04 the udev database was available and updated at /dev/.udev/db but in 12.04 and greater, the directory /dev/.udev/ exists but the database doesn't. Does anyone know where it went?
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2answers
244 views

How to handle windows on multiple screens?

I've multiple screens i.e. one computer monitor and one TV. It would be preferable if, when the TV is turned off, nothing is sent to the TV but as it happens, I can have the TV turned off and ...
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104 views

Ubuntu can only hibernate once?

System: Lenovo Y500 running Dual Boot Windows 8 and Ubuntu 12.04 For some reason, I can only hibernate 1 time after (re)booting up the system. If I hibernate after the first time, the system goes ...
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0answers
203 views

Why does CTRL key resize window in Unity desktop?

I have an almost out-of-the-box install of 12.04 Precise. I am familiar with assigning and reassigning keyboard shortcuts, as I interact with my computer almost entirely through the keyboard. I am ...
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1answer
62 views

Ubuntu 12.04 CD-R doesn't start when i start the PC [duplicate]

I've got an Ubuntu CD-R and a Samsung Laptop with Windows 8 64 Bit. When i start the Laptop with the Ubuntu CD-R in it, it shows the Samsung-sign, makes a "Beep" tune, shows the normal ...
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1answer
250 views

My Ubuntu 12.04.2 Online Accounts only has Google and Windows Live accounts. Where are the others?

I just reinstalled ubuntu 12.04, fully updated it and I went to set up my online accounts. It only has two account types to add, Google and windows live accounts. There is no option to add facebook, ...
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26 views

Ubuntu Installation Hangs when using Wubi [duplicate]

I installed Ubuntu 12.04.1LTS using Wubi Installer. It worked absolutely fine and I used it for a while and installed some updates too. For some reason I had to uninstall Ubuntu. I uninstalled Ubuntu ...
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1answer
1k views

micro sd card help

I am running a fresh (full wipe install) of ubuntu 12.04 and I am trying to get my microsd card to work. The card is a samsung 2gb microsd card, and the reader I am using is a usb dongle (targus multi ...
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3answers
116 views

Uninstall Ubuntu 12.04 [duplicate]

I want to uninstall my Ubuntu 12.04 (installed using Wubi). My Ubuntu is on one of partitions that I don't want to delete my partition.i using win 7. And I don't use grub
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2answers
2k views

Ubuntu 12.04: why could it not read DVD? (Encryption) [duplicate]

How to play commercial DVDs on lenovo t-500 laptop? I have Ubuntu 12.04, all updates Could not read dvd despite having restricted extras I tried the following, but VLC does not play DVDs. sudo ...
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1answer
268 views

My Ubuntu Precise 64 Bit PC's Boot Time is Two Minutes. Isn't that too much? Any Idea? [duplicate]

My Ubuntu PC boots up in 2 minutes. First minute goes for greeter session and the second minute goes for user login session. Is this normal? My PC's main spesifications are as below: Ubuntu ...
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0answers
134 views

How to upgrade Ubuntu 9.04 LTSP Thin client to Ubuntu 12.04?

I have a setup with Ubuntu 9.04 LTSP server and Ubuntu 9.04 LTSP Thin client. I want to upgrade my Ubuntu 9.04 LTSP Thin client to Ubuntu 12.04 or higher. Is it possible to upgrade? If it is, How can ...
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1answer
26 views

I recently installed the windows installer of ubuntu (12.04) (dual boot) and it is a little buggy

For instance I go to System Settings > Mouse Settings: After Changing the mouse settings I go to close the settings and it doesn't close unless I right click on the icon and close it. I have no idea ...
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1answer
325 views

Lingot is not working.

I am using Ubuntu 12.04... I wan to tune my acoustic guitar using Lingot.... But it gives just no response to any sound... I tried changing the AUDIO_DEV = /dev/dsp to AUDIO_DEV = /dev/audio as ...
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2answers
713 views

Installation problems Ubuntu 12.04 [FIXED]

I fixed this problem by entering the Advanced section of the install and creating free space by deleting the area I wanted to install Ubuntu to. When I run the installation from a Bootable DVD, I am ...
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1answer
3k views

Files aren't getting shared on Ubuntu 12.04 LTS ( Samba Error )

When I am trying to share any folder , following error comes in the screen : Samba's testparm returned error 1: Load smb config files from /etc/samba/smb.conf rlimit_max: increasing rlimit_max ...
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1answer
2k views

KVM/virt-manager fails to find/load ROMs

I'm trying to create a Windows 7 KVM guest on Ubuntu 12.04 using virt-manager. After filling in the various config options, when it goes to begin installation,I get an error box saying: Unable ...
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2answers
2k views

Ubuntu not is hibernating when lid is closed

I use Ubuntu 12.04 in my laptop. I'm trying to configure to hibernate when lid is closed. However, not is working. I did the following steps to solve the problem: I enable in ...
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1answer
635 views

cpu frequency stays at the top even with ondemand or powersave governors

The fan goes lower but the /sys/devices...../cpuinfo_cur_freq and scaling_cur_freq list the highest frequency. core i5 can go down to 1.2Ghz according to cpuinfo but watching the time_in_state shows ...
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1answer
1k views

dpkg: error processing linux-image-3.5.0-28-generic

I have Ubuntu Server 12.04.2 LTS installed on a server. After I run apt-get update & apt-get upgrade & apt-get dist-upgrade My kernel version has been changed to ...
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2answers
79 views

tried to update from lucid lynx, now computer won't boot

I don't know much about my computer, I have been trying to get an old custom computer updated. it was running on lucid lynx, I tried to update from the terminal with some 'copy and pasted' 'sudo ...
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1answer
294 views

Internet Connection Not Working

My laptop is saying that it has connected to the internet in my house but every now and again a message box appears saying that it's disconnected and offline but yet in the network options it still ...
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1answer
2k views

Installing CUDA toolkit

I am trying to set up my computer for CUDA development as per this instruction. Before installation it recommends uninstalling nvidia drivers and suggest running apt-get remove --purge "nvidia*". But ...
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1answer
250 views

How Can I Run Ubuntu via my VM? [duplicate]

I'm trying to install Ubuntu 12.04 to run in VirtualBox alongside my Win7 64bit OS, without having to dual-boot. I added the 64-bit Ubuntu iso to my VM, and powered it up so to proceed with the ...
2
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1answer
115 views

How do I make HUD work with Eclipse?

I have already tried this, but I still have no entries in HUD regarding Eclipse (Indigo, manually installed). Is there some way to make HUD work with Eclipse?
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1answer
95 views

ubuntu 12.04 autoclick

I dont know how to search for this problem.. more and more frequently when I start and login my machine, it opens the desktop, and as I open a folder, or if I go on the internet, it will just start ...
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1answer
113 views

I got a General Protection Fault while transferring files [closed]

SO I was transferring files from one portable hard disk to another (I had two of them connected to the laptop and suddenly the whole thing crashed. Any idea why this could happen? Should I be worried? ...
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0answers
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Restore Clonezilla Disk Image to a Disk of a Different Size

I use Clonezilla at my school to save and restore disk Ubuntu 12.04 and Windows images over LAN. When I try to restore an image to a computer with a disk whose size is not identical to the disk where ...
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2answers
15k views

Install on usb external hard drive

I am new to ubuntu and i would like some help. I have a laptop with windows 7 installed but i would love to have ubuntu too because it's a great OS. So i would like to install ubuntu on an external ...
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0answers
24 views

vmware workstation 9 on ubuntu 12.04 network problems [duplicate]

I have been using vmware workstation 9 for about 3 months without any problems. A few days ago I started workstation and it prompted me that vmware had to compile modules and install them into the ...
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1answer
141 views

What system tool is reporting this error and how to diagnose?

In the last week, every time I turn my Ubuntu (12.04) machine on, and sporadically throughout operation (about every 1hr that I'm actively using it), I get the following popup from the system: When ...
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1answer
868 views

problems with /etc/sudoers

I am running ubuntu 12.04 on i3 laptop. By mistake I changed the permissions and changed the user(from root) of /etc folder and I am getting a error when trying to use sudo like: sudo: /etc/sudoers ...
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1answer
201 views

Downloads folder restores automatically

over the last couple of days i've noticed that each time the downloads folder is modified, ie, any new file is downloaded, previously deleted folders are restored. And the restored folders are empty, ...
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1answer
493 views

How to add more than four keyboard layouts in Ubuntu 12.04?

How to add more than four keyboard layouts in Ubuntu 12.04? I am surprised that I can't add more than four language keyboard layouts.
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1answer
682 views

NginX access configuration

I'm using ubuntu x64 server with nginx as webserver. In my company, we configured intranet (local) dns server so that, when you enter domain1.com, it goes directly into defined LAN ip adress. We ...
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1answer
578 views

Bumblebee installation on Ubuntu 12.04

I installed Ubuntu 12.04 and bumblebee on my Lenovo w530 which comes with NVIDIA Optimus card by following this wiki: Ubuntu wiki I am trying to use the DVI ports (2 ports) on my docking station to ...
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1answer
714 views

Sound comes through speakers AND headphones on Ubuntu 12.04

I have an HP Pavilion Dv6-2157wm laptop with Altec Lansing speakers, SRS Premium Sound, powered by an IDT card I believe. Well, when I plug in my headphones (or earbuds) sound comes through them but ...
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0answers
5 views

Error While Updating- Encountered a session with no package: [duplicate]

Reading package lists... Error! E: Encountered a section with no Package: header E: Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-amd64_Packages E: The ...
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2answers
792 views

How do I change how much disk space Ubuntu has?

I installed ChruBuntu on my Chomebook Acer C7 about 2 weeks ago and I chose to allocate 10 gigs. I didn't know that that would be my amount of disk space I would be allowed to use. I want to install ...
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1answer
2k views

How does synaptic package manager work?

I always wondered how the synaptic package work? I always wanted to know it's secrets. Can someone tell me?
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2answers
51 views

Would booting 12.04 from external HDD give me problems for developing kernels for Android 4.12 and 4.2.2?

The laptop specifications are: Lenovo z580 3.0usb Would it give any foreseen performance problems?
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1answer
3k views

How to set up D-LINK DWA-111 USB WLAN Adapter?

I today got stuck while trying to install/set up my USB-WLAN Adapter. It's a DWA-111 USB-Stick (Rev. A1) and my machine is currently running Ubuntu 12.04 LTS. (As far as I know it's got a RT73 chipset ...
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3answers
383 views

Some sites not opening in firefox

I am unable to open Yahoo hdfc and some other sites with Mozilla, Chromium I tried: changing DNS enabling Java reinstalling Firefox
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1answer
314 views

Can't connect to MAAS due to “Files does not exist: /var/www/maas” error

I have attempted to install MAAS on Ubuntu 12.04 LTS and 13.04, but on both I cannot connect to the region controller via a web browser for the post installation per the ...
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0answers
760 views

How to make a recovery partition on a ubuntu laptop? [duplicate]

I have been wondering, how to make a recovery partition, such as System76 does with its Ubuntu laptops: There isn’t an included recovery disc you can run off of in case your system gets messed ...