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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Is there a way to back up a whole hard disk (which holds the OS) and use it for a reinstall?

I've built my own system and the ssd i'm using has failed twice already. It's always been during boot up and it just says operating system missing. I've checked and made sure that it was definitely ...
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25 views

Ubuntu on Dell Latitude E6540

So, I guess my question can be broken into two parts... My work laptop is a Dell Latitude as above currently running Windows 7 (I personally use a dual boot Macbook with Ubuntu/Mac) anyway I finally ...
2
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1answer
20 views

Should I do a regular system update before a upgrading to the next distro?

Should I perform distribution upgrade only on a fully up to date system, or should it run fine if I do the distribution upgrade right away? More details: Before I perform an upgrade to the next ...
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26 views

kickstart installation problem while booting the system

I want to install the ubuntu 12.04 desktop I have prepared the kick-start file and I kept at /var/www/ks.cfg #Generated by Kickstart Configurator #platform=x86 #System language lang en_US #Language ...
2
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0answers
56 views

apt-get command problem

I am using Ubuntu 12.04 32 bit in hp pavilion dv6 laptop (AMD Processor) after upgrade and reboot, the desktop doesn't start and at cui (Ctrl + Alt + F1). When I try to login to my user and following ...
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11 views

Forward ports from local network ips to external network

I have server running Ubuntu Server 12.04. This server have two network carts. The first one is the industrial network. This network is visible only to the industrial devices connected to it and to ...
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1answer
22 views

Library dependency problem with sphirewall-core and libboost

I am facing problems with library dependencies when trying to install sphirewall-core. Is there any way to solve this or to install that dependencies? These are the steps I followed: $ sudo apt-get ...
0
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1answer
11 views

gem5 parser error

I am trying to run parser from here, but it gives this error: This program requires jinja2 version 2.7 or later I have already installed the jinja2 package by running sudo apt-get install ...
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1answer
42 views

What is the best freeware app for Windows to mount EXT4 partitions (from a GPT 4TB Disk) as RW, safely without corrupting the EXT4 partition? [duplicate]

My Computer is set up as Dualboot Windows and Ubuntu. I have 1 OS drive, and 1 hard drive with a /backup partition (which has all my family photos and data) and it is ext4. Also note... it is EXT4, ...
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1answer
63 views

Upgrade from 12.04 LTS to 14.04 LTS fails

Output of the Bash Terminal: http://pastebin.com/wXKtLzin I used apt-get upgrade -f as well, with the same result. I only want the 14.04 LTS that works fine and I don't lose my data. In the past the ...
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19 views

How to make IPv6 duplicate address detection (DAD) work on Ubuntu?

I have an Ubuntu host running inet6 dhcp. This is what I configured on the /etc/network/interfaces file: auto eth1 iface eth1 inet6 dhcp up sysctl net.ipv6.conf.eth1.accept_ra=1 pre-down ip ...
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15 views

Synaptic Package Manager console size

When using Synaptic Package Manager I select packages to be upgraded, after clicking Apply it shows the changes in a Terminal Window (like I want it to). BUT the terminal window is tiny in size, ...
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2answers
36 views

Booting an installed Ubuntu in an USB from Windows 8.1

So I have bought an Asus Transformer Pad T100 and it contains Windows 8.1. It also has a Micro SD card slot that contains a 16GB Micro SD card. So I have installed Ubuntu on the card and now is it ...
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1answer
21 views

Unable to view GUI in ubuntu 14.04do

I am unable to view the GUI in ubuntu 14.04. I followed the previous answers but, I am not able to run the given command too. The sudo command is not found. I am not able to install the sudo too. I am ...
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0answers
12 views

Running Tomcat without Netbeans in Ubuntu 12.04

I've installed Netbeans 7.4, and selected the option to install Tomcat 7.0.41 together with it. I've always run my Tomcat server through Netbeans by running the project. Is there a way to run the ...
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0answers
14 views

ALT+~ shows all instances of an app opened in different virtual desktop / workspace

With latest unity 5.20.0 on 12.04, following behavior is seen. two app instances are open in Desktop-1, another two instance in Desktop-2. If I used one terminal of Desktop-1 and switched desktop to ...
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78 views

Can't boot server after attempting to upgrade 12.04 to 14.04

I have a Rackspace Cloud Server (that was) running 12.04 LTS. The other day, after logging in and doing some routine maintenance, I noticed the server telling me that 14.04 LTS was available, and to ...
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1answer
11 views

Dual boot problem, Window 7 and ubuntu 12.04 while installing

I am trying to install ubuntu 12.04 alongside with my windows 7, but while installing ubuntu 12.04, at time of partition i don't see "Install UBUNTU alongside with windows 7" Option, I only see my ...
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54 views

Is there a way to upgrade directly from Ubuntu 12.04 to Ubuntu 14.04?

I am running Ubuntu 12.04, and it will not allow me to upgrade but just keeps on giving me more updates. Is there a way to upgrade directly from Ubuntu 12.04 to Ubuntu 14.04? i got Third party sources ...
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2answers
108 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 ...
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35 views

Is it required to update from Ubuntu 12.04 to 14.04? [duplicate]

I am using Ubuntu 12.04 on my Samsung Chromebook and I have found that Ubuntu 14.04 does not work with unity on my Chromebook. So do I have to update Ubuntu to 14.04 now or can I continue to use 12.04 ...
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48 views

vi issue in SSH TTYs to Ubuntu 14.04.1 LTS

After upgrading my server to Ubuntu 14.04.1 LTS, I can no longer use the vi editor to edit anything in an SSH terminal (I access the server by launching ssh sessions from Cygwin running on Windows). ...
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1answer
11 views

Mumble-Django doesn't render correctly after 12.04 to 14.04 server upgrade

I recently ran the upgrade on my server to go from 12.04 to 14.04. I had a couple problems but have gotten almost all of them sorted. One thing that's still hanging me up is the rendering of the ...
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1answer
64 views

Flash for Ubuntu ARM?

How would I get flash to work on Ubuntu 12.04 on an ARMv7 processor Chromebook? If there is no direct method then would it be possible for me to some how use the Chromebooks built in flash player on ...
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22 views

Ubuntu Tweak natural scrolling not persistent

I am using Ubuntu tweak on Ubuntu 12.04 and the natural scrolling setting does not persist after restart. So is there a way to permanently enable natural scrolling? If I have left any details out ...
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1answer
59 views

Cannot upgrade from 12.04LTS to 14.04

I have been trying to upgrade to 14.04 for several days now, but every time I get this error message: W:Failed to fetch ...
2
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1answer
32 views

Removing idle-python2.7 in Ubuntu 12.04

I'm having some issues when updating packages on Ubuntu 12.04: Processing triggers for menu ... Errors were encountered while processing: idle-python2.7 Setting up idle-python2.7 (2.7.3-0ubuntu3.5) ...
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25 views

How to install BOOT REPAIR in ubuntu 12.04LTS without CD

Please tell me how to install Boot Repair without any CD and Terminal Command.Please provide simple way to install it and tell me after installing boot repair where it is located and how to use it. I ...
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29 views

unable to install/recover jenkins after upgrading from ubuntu 12.04 to 14.04

I did an upgrade of Ubuntu from 12.04 to 14.04 and was surprised to discover that my earlier installed and configured jenkins is broken. To add to the misery, if I do an apt-get install jenkins or ...
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1answer
18 views

Make Home folder accesible to different installations

I just installed 14,04 next to 12,02 and I want to copy my home folder from my previous installation to my new one. I get permission errors (cannot read files). How to change that? Thanks.
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16 views

Sub-process /usr/bin/dpkg returned an error code (100)

I executed the command sudo apt-get install ros-fuerte-openni-camera ros-fuerte-openni-launch and I am getting this error : 0 upgraded, 32 newly installed, 0 to remove and 2 not upgraded. Need to get ...
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1answer
63 views

Proper way to remove an active / inactive LVM snapshot

I have created a sample ruby script file for removing extra LVM snapshots from the system. For removing LVM snapshot, we are using lvremove command. This command is working fine and we can remove ...
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1answer
66 views

Upgraded 12.04 LTS to 14.04 LTS Now Wireless Networking is Disabled

I have just upgraded from 12.04 to 14.04. The upgrade process went off smoothly, only asked if I wanted to keep some old configs (which I did) and I restarted the computer when finished. The computer ...
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33 views

after upgrade to 14.04 kernel remains 3.2.0

I upgraded from 12.04 to 14.04.1 using the update-manager. During the upgrade there was an error about emacsen-common and I do not overwrite the file menu.lst. After the upgrade lsb_release -a gives ...
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19 views

After Re-opening Laptop, Programs Blink with Each Keystroke, Ubuntu 12.04, Dell Latitude D620

I'm running Ubuntu version 12.04 on Dell D620 laptop and have been for months. Everything has been working fine until a week ago, when suddenly every time I close the laptop and open it again, the ...
1
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1answer
260 views

flashplayer not working in Chromium

I am using Chromium Version 36.0.1985.125 on Ubuntu 12.04 . My flashplayer is working just fine in Firefox, but it is not working in chromium. I get the message "flashplayer upgrade required" when I ...
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16 views

ubuntu svn checkout random failed

Using buildbot to run some test . The svn step random failed , The error messages like : svn: E140001: zlib (uncompress): corrupt data: Decompression of svndiff data failed or svn: Malformed ...
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18 views

Tracking IP's that access the server?

I am running Ubuntu 12.04 with ISPConfig and SMF Forums I would like to keep a log of all the IP's that are accessing the server What would be the best / easiest method to do so? (not a linux guru, ...
2
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1answer
80 views

Is Ubuntu 14.04 slower on low-end graphics cards than 12.04 LTS?

I started upgrading to Ubuntu 14.04 (from 12.04) when it said that if I installed it, it might make me have a "slow environment" because of my graphics card. I cancelled the upgrade because of my ...
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17 views

Ram not recognized

I have an HP 255G1 laptop with Linux preinstalled. It came with 2 gb ram and as of late I installed another (HP certified) memory module, and now I should have 4 gb ram BIOS sees it, memory test ...
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1answer
55 views

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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30 views

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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13 views

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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17 views

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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61 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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1answer
59 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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1answer
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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55 views

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 ...