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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Ubuntu 14.04 upgrade problem

Yesterday I decided to do the upgrade. Little did I know, I got a black out, the upgrade was interrupted and the rest is history. Now I am facing the following issues: 1) No GUI when I open up the pc ...
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login sound not working in ubuntu 14.04 after a update

I installed Ubuntu 14.04 the login sound was working but now for the past 2 weeks it is not working I have tried using Ubuntu tweak today to turn off the login sound and turn it back on but it did not ...
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Ubuntu 12.04 cannot start after installing bumblebee

My laptop is Dell N5110. It has 2 graphic cards: Intel and Ndivia. Yesterday I installed bumblebee. After installing and reboot, my laptop cannot start anymore. I get some error messages on my screen ...
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No Downloads, Documents, … folders in Home folder after installing dvsdk

Today I have installed dvsdk package in Home folder. For installing i have changed the mode using chmod 777 and executed ./[package_name]... After that, it asks where to install, I chose home ...
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62 views

configure android access for adb device - Samsung Galaxy Tab 4 (7 in.)

--UPD-- i forgot settings / dev options /usb debugging = true... that solved it. issue - adb devices shows blank list ON the tab-4, when connected to PC, it does show USB symbol on sts bar ...
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61 views

Can't upgrade from 12.04LTS to 14.04LTS

I am trying to upgrade to 14.04.1 LTS. It is showing: You have to download a total of 137 k. This download will take about 4 seconds with your connection. Installing the upgrade can take several ...
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29 views

weird behaviour

I am using the Ubuntu 12.04 Precise Pangolin, from past few days I am observing a strange behaviour with my ubuntu server. Let me give you a brief introduction to my server. Installed Softwares and ...
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15 views

Highly distorted sound on stereo but headphone gives perfect output

I am struggling with the audio output of my laptop that's running 12.04 LTS. It was all fine till yesterday. I played the spotify in the web player and abruptly the sound just reduced and I couldnt ...
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53 views

Cannot enter ubuntu graphical environment after update

I was using ubuntu 12.04 LTS version and everything was working fine. Yesterday I decided to update using the option in the update manager to ubuntu 14. Everything went smoothly in the installation ...
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After installing 12.04.5 HWE having major video problems

Everything on the system was fine. Graphics were good. Then I suddenly a few weeks ago got a warning that I needed to update to 12.04.5 HWE. I looked for what it did, but only got vague answers. I've ...
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31 views

how to download UBUNTU version 12.04 lts direct download

how can i download the UBUNTU version of 12.04 LTS ? please give me the direct link. i tried searching but all search results ends at 14.04.1 LTS download. which i don't want now (will download ...
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2answers
60 views

Fully scan and clean broken installations in Ubuntu 12.04

I have gone through the Dist Usage Utility in Ubuntu and I deleted some folders here and there in my Desktop and also in my Downloads. These included some software packages I had installed ...
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5 views

Status of dependencies upon update

I'm currently running 12.04.5, the 64 bit version. Now, I have a few projects and for them I have a number of dependencies installed. I'm thinking of an upgrade to 14.04, but I'm worried about the ...
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20 views

Error installing rvm on Ubuntu 12.04

I'm taking a web applications development course on Coursera that requires me to install Ruby and Rails. I'm following the instructions at ...
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36 views

Ubuntu 12.04 LTS won't start up after an update

I need help in fixing my laptop. It won't boot up to the log in screen, it just displays the Ubuntu loading screen. So, it happened after an update. Because of Steam, it wanted some drivers, so ...
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27 views

how can I clear wrong typed wireless information?

I try to connect to a WPA2 wireless network detected by my wireless adapter and the default application for wireless connection under ubuntu 12.04. I typed some wrong information such as i should have ...
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SYSLINUX 4.07 EDD 2013-07-25 Copyright (C) 1994-2013 H. Peter Anvin et al [duplicate]

this what is happening, i downloaded (ubuntu-gnome-14.04.1-desktop) and (elementaryos-unstable-amd64.20140810) to try out in my laptop and i have use (unetbootin-windows-608) and ...
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55 views

ZFS pool broken after upgrading to 14.04 LTS

Well, I have been putting off upgrading to 14.04 for fear that I would break something. Actually for fear that it would break zfs (or I would break it). I am bascially slightly better than novice ...
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21 views

I think I have a bug I cannot open ubuntu software centre or synaptic package manager [duplicate]

An unresolvable problem occurred while initialising the package information. Please report this bug for the 'update-manager' package and try to include the following error message: 'W:Duplicate ...
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1answer
28 views

Why doesn't umask work as expected?

Please, can someone explain this to me? I set: umask 000 touch afile.tmp result: -rw-rw-rw- 1 jay apache 0 Aug 16 18:11 afile.tmp I was expecting this: -rw-rw-rw- to be like this: ...
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3answers
200 views

Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no problem?

I'm using Ubuntu 12.04 LTS, and although I would like to upgrade to 14.04 LTS, I don't want to have any troubles after upgrading. For example, I don't know if I can no longer use some of my software ...
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3answers
139 views

Installed Metasploit but it's not working!

I have already semi-successfully installed the Metasploit Framework, but when I attempt to run the Metasploit console (msfconsole) it returns with the error: /usr/local/bin/msfconsole:23:in ...
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1answer
982 views

libreoffice-base not configured yet

I have the LibreOffice ppa installed (ppa:libreoffice/ppa) and today I had a problem after updating. I got the following error. Reading package lists ... Done Building dependency tree Reading state ...
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2answers
19 views

Upgrading to Python 3.4 from 3.2

I have Ubuntu 12.04 and Python 3.2 installed. When I use sudo apt-get install python3, it says that my python is 'already the newest version'. However, 3.4 is the latest. How would I upgrade my ...
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15 views

android USB debugging disappeared and not working anymore

I was working on my project using my own device ( LG Optimus G E975 , android 4.4.2) on ubuntu 12.04, and everything was going fine, eclipse could detect the device and I could easily debug on device. ...
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40 views

Black screen after upgrading to 14.04 from 12.04

I clicked the 'Upgrade' button on the 'Software Manager', which I have since read was perhaps not a brilliant idea. Next I had a lapse of good sense when I was advised that my graphics adapter may ...
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13 views

Reading from USB Drives is extremely slow in ubuntu 12.04

Reading/ Copying files from external USB drives is extremely slow on my laptop - less than 50 kbps. I have tried with multiple pen drives, and an external hard-drive. I know that there's no problem in ...
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14 views

Messed up repair from a LiveCD - How to re-repair?

I made a repair-like installation from a 12.04 live CD. It didn't have the option to override the existing Ubuntu installation so I was on my own. I Unchecked the format option as said, mounted the ...
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22 views

Update Server 12.04 LTS to 14.04 fails [duplicate]

I decided to try updating my 12.04 LTS to 14.04 today. Every time I try this it ends in an error. W:Failed to fetch ...
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9 views

package dependencies cannot be resolved [duplicate]

GDBus.Error:org.freedesktop.Packagekit.Modify.Failed: Package dependencies cannot be resolved - This error could be caused by required additional software packages which are missing or not ...
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24 views

TouchPad is not getting activated whie normal system startup in Ubuntu 12.04?

I am facing a bit strange problem on my laptop which has following configuration: Ubuntu12.04 LTS(Factory Version + 1 Update) 3.2.0-67-generic Dell Inspiron Intel(R) Core(TM) i5-3337U CPU @ 1.80GHz ...
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74 views

iscsitarget suddenly broken after upgrade of the 12.04 Hardware Stack

After an upgrade to the latest Hardware Stack using Ubuntu 12.04, my iscsi service is not longer operational. The error from the service is such: FATAL: Module iscsi_trgt not found. I have learned ...
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11 views

Switching language with Alt key in 12.04

Whenever I needed to switch the languages in my keyboard it interfered with the alt key that was meant for HUD search. So I changed the shortcut in the settings, now I can use another key for HUD. ...
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266 views

Grub Rescue after upgrading from 12.04 to 14.04

Current status: Cannot boot from HD at all (dualboot with win7) Cannot boot from USB either (12.04 and win7), goes to boot: prompt, do not know what to do here, wants a kernel name, same for both ...
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42 views

Exit full screen of gnome terminal

Accidently, I full-screen display the gnome terminal. I now can't get out of the full screen display back to normal display. so I wonder how I can get out of the full screen display back to normal ...
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Err http://mirror.rackspace.com/ubuntu/ Unable to fetch some archives

Ubuntu 12.04.4 LTS server on Rackspace After apt-get update, I ran the upgrade and got this: # apt-get upgrade Reading package lists... Done Building dependency tree Reading state ...
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Can't figure out JOIN command

I have two files and I'm trying to join them at a certain spot. I'd like to join them at the fourth column of the second file using the first column of the first. It's driving me nuts! Here is what ...
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1answer
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ubuntu 12.04 to 14.04 distribution upgrade pauses “configuring lightdm” … “Default display manager:” gdm, lightdm

Apologies if I overlooked this in the docs somewhere. Let me document something just incase it was missed. My upgrade from 12.04 to 14.04 pauses on a package configuration. The first time I did ...
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2answers
54 views

unfixable system crashing after replacing NVIDIA driver with xorg-server

I was offered a "hardware upgrade" in the update center of Ubuntu 12.04 and I installed it. Then, as I was automatically asked to "restart the computer to complete the installation", I did so. Now, ...
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111 views

Upgrading from Ubuntu 12.04 to 14.04.1 LTS

I would love to have help for this. I have been trying to upgrade from Ubuntu 12.04 to Ubuntu 14.04 but have been having the messages below. W:Failed to fetch ...
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Does Ubuntu advise upgrading sequentially? [duplicate]

Does Ubuntu advise upgrading sequentially? Version 12.10 is no longer supported making it impossible for me to move sequentially from 12.04 through 12.10 and beyond. What should I do?
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Ubuntu LTS 12.04 PC died after suspend / SATA HD's not recognized

Running Ubuntu 12.04 LTS successfully for many months. ASUS mobo. Two HD's on board (WD 250 GB / WD 1 TB). Suspended the PC yesterday and tried to "unsuspend". Nothing happened. System was dead ...
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Clarification on instructions posted on LinuxCNC.org

New to Ubuntu and trying to figure out what instructions posted on LinuxCNC.org mean. context of the following is from within Ubuntu: Hit the "Windows" key on your keyboard to bring up the system ...
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21 views

Genymotion not loading virtual machine on Ubuntu 12.04

I recently successfully installed Virtualbox and Genymotion on Ubuntu. Everything was successful except for one thing. When I try to play the virtual machine,this is the output - Unable to load ...
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1answer
19 views

Command is available as user, but not sudo?

I am in the process of building gendev, a sega genesis development environment and I am running into an interesting problem. When I try to install via "sudo make install" I get an error stating that ...
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8 views

Ubuntu 12.04 (storage folders won't share)

I had Ubuntu 12.04 installed, and it worked fine. Once it started a "new" upgrade, I jumped on the 14.04, and all hell blew up. I lost my 3TB folders and the system just divided into 5 folders of ...
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Ninja-IDE freezing periodically on Ubuntu 12.04

I'm using Ninja-IDE 2.3 on Ubuntu 12.04 and it used to work like a charm until now. It freezes for a few seconds every 20 or 30 sec and it does not respond to what I type anymore. Maybe it comes from ...
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Logitech DiNovo Edge USB Bluetooth keyboard quit working after 12.04lts to 14.04lts upgrade

I noticed this after upgrading my desktop (commodity PC parts) from 12.04lts to 14.04 lts. Upgrade done with updater after bieng notified yesterday that there was a new release available. I've been ...
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2answers
167 views

Are there multiple LTS distributions available?

My distributed network consists of atleast 10 servers, all of which are running Ubuntu 12.04 LTS. This was a design decision, so that we would have a more consistent back-end, as far as the Operating ...
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Upgraded to 14.04 from 12.04, getting “The system is running in low-graphics mode” error, have checked 'community'

I did see the community question, Running in low graphics mode I checked the greeter, reinstalled ubuntu-desktop, reinstalled fglrx, installed gdm, but so far I'm still getting the same screen. I ...