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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Some error messages while boot, after upgraded to 14.04 from 12.04

Recently I upgraded to 14.04 from 12.04. Now I see some error messages during every startup. Could anyone please let me know, that why am I seeing such messages? The error message as follows : ...
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42 views

Error at startup running War Thunder

Hello Who can help me to solve this error? Error initializing video (OpenGL3): ../../prog/engine2/drv/drv3d_GL3/linux_main.cpp, 415: error when creating of gl_context
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1answer
11 views

my updates will not connect [duplicate]

It gives me this E:Malformed line 3 in source list /etc/apt/sources.list (dist parse) E:The list of sources could not be read. E:The package lists or status file could not be parsed or opened.
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1answer
19 views

Is there any app work for evernote?

I have try the everpad, it is so slow, i want to know is there any other app can work for evernote.
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Linking one notebook to another notebook in zim

I have a number of zim notebooks say NB1,NB2,NB3. Suppose i want to link NB2 from NB1,what shall I do? I tried linking to the zim config file of NB2 in the corresponding folder,but didnt work. Can ...
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I am not able to install ubuntu using usb?

I downloaded ubuntu 12.04.5 LTS iso file from torrent( size 700+ MB)and copied it in the usb. Then I made my usb drive bootable by running command line instructions (since my GUI is not working) from ...
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30 views

Ubuntu 12.04.5 LTS Intermittent Freeze Issue

My 3 year old Dell Inspiron 14 N4050 laptop running Ubuntu 12.04.5 LTS now keeps on freezing whenever some heavy stuff is going on. At first I diagnosed it to Chrome issue, but later even after I ...
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28 views

“these files are on a digital audio player” message

When I mount my Android phone with USB cable to Ubuntu Precise I get "these files are on a digital audio player" and open with VLC. This means that I am not able to see any file within my android. ...
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2answers
31 views

Netbook using too much CPU

I did a clean Ubuntu 14.04 install in a samsung N100sp netbook. System specifications are as follows 2GB RAM Intel Atom CPU N2100 @ 1.60GHz x 2 Gallium 0.4 on llvmpipe graphics The default Unity ...
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2answers
22 views

I can't execute a binary file on ARM version of ubuntu!

I'm using an ARM version of ubuntu 12.04 and I need to run a binary file (to install a program). However, when I do so, it returns an error: $ ./qt-opensource-linux-x86-5.4.1.run ...
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0answers
61 views

vmbuilder won't build “trusty” (14.04 LTS)

I can use this command to create a working VM running the "precise" (12.04 LTS) Ubuntu release: vmbuilder kvm ubuntu -v --suite=precise \ --libvirt=qemu:///system --arch=amd64 \ --cpus=2 ...
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0answers
36 views

How to link brightness button to correct brightness script

I recently upgrade my Ubuntu from 12.04 to 14.04. My laptop has always had incomtibility issues between the brightness button and the actual brightness set up. In 12.04 I had fixed the problem by ...
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9 views

Cannot boot after updates 12.04

I've been dual-booting Windows 8 and Ubuntu 12.04. I can't remember what updates were done yesterday, but today I'm getting errors when trying to boot to both operating systems. I choose either of ...
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1answer
21 views

Ubuntu 12.04 lags very bad at my laptop

So I recently decided to change from Windows XP to Ubuntu 12.04 on my crappy 1gb RAM & 1.6GHz laptop. The problem is that it lags A LOT. Like first 5 minutes I can use it fine but then it just ...
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0answers
25 views

Battery suddenly drops to 0%

My battery started dropping down from around 35% to 0% suddenly . This started happening as soon as I installed ubuntu 12.04 ..I am using a lenovo Z510 laptop with windows 8.1 as default OS..Any ideas ...
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28 views

How to increase maxproc and maxdesc on ubuntu 64 bit machine

I am trying to install HP arcsight on ubuintu 64 bit machine. While installation it throws up an error Pre-Install Check failed: Your maxproc is 7796 and maxDesc is 4096 The lowest limit for ...
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0answers
12 views

GStreamer extra plugins [duplicate]

How to install GStreamer extra plugins from terminal on Ubuntu 12.04. link to Gstreamer extra plugin on software center .
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24 views

How to turn ON/OFF screen monitor using shell script and 'xrandr' linux command?

I am trying to turn on and off screen monitor in Ubuntu14.04 using key bindings. I tried following shell script #!/bin/sh output=$(xrandr | grep ' connected ' | awk '{print $1}' | head -1) ...
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2answers
36 views

Ubuntu - login with old and new password

Running Ubuntu 12.04, I changed the password of a user using "sudo passwd user" but now that user is able to login using both the old password and the new password. Any idea of why this would happen ? ...
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0answers
19 views

Compiz desktop background not shown when Nautilus is running

I'm trying to see the Compiz desktop background, so that every desktop has a different wallpaper , but it only shows up when Nautilus is not running. I tried to set org.gnome.desktop.background ...
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0answers
44 views

semantic_map-knowrob

I'm having some problems with the rospackage knowrob_gui knowrobGUI. I need it to build a semantic map that i have to integrate with my owl file.I started following this guide: But when i run the ...
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39 views

Problem in the connection between CPU and router

I received a computer with Ubuntu 12.04. This computer was already used by someone else. In the room, there is an internet access point via cable which is connected to a router. I can not access the ...
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1answer
36 views

Rotate nohup output

I'm working with weblogic 10.3.5 under ubuntu 12.04. Weblogic is started using nohup ./startWebLogic.sh ...
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16 views

Wifi disconnected, but still shows up output that it's connected - 12.04

I really don't understand this now. I knowingly got disconnected from the wifi network and then later checked the available wireless extension using iwconfig command. Although I was disconnected it ...
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unable to connect to Wi-Fi using Ubuntu 12.04 - Dell Vostro 3546

I am facing the issue at terminal as well as at the browser. At the desktop a pop-up keeps appearing at times with message : wireless - disconnected. But when I check it from the terminal to see ...
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14 views

Extend monitor on 12.04 doesn't work with laptop, whereas mirroring does?

I'm trying to extend the desktop from my laptop to an external monitor - Ubuntu detects the display, lets me activate it and extend my desktop to it, but then nothing shows up on the external display. ...
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1answer
31 views

`timedatectl` without `systemd`

I want to be able to set timezone for Ubuntu hosts, from command line (given in POSIX format). I was searching for options, and found timedatectl from systemd package but since I did not want the ...
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34 views

HP 240 G3 Laptop touchpad problem

We are facing problem with hp 240 G3 laptop. Touchpad is not working properly. Needs to touch more surface on touchpad for work. on Ubuntu 12.04 Desktop or 14.04 both laptops.
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1answer
33 views

configure TimeZone

I have two computers with Ubuntu 12.04, both configured with location Santiago. However the time zones are different (blue bar under map) This generate problems when program in c++ and ask for the ...
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2answers
21 views

Unable to install WIne on Ubuntu 12.04

When I try to install Wine, either through the Ubuntu software center or the terminal, I get this: "package dependencies cannot be resolved". How can I install Wine?
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29 views

HP Compaq laptop video problem; with Ubuntu but not with Linux Mint

I have an old laptop: an HP Compaq nc8430. I've spent several weeks installing different operating systems on it, and have come across an odd problem. I can install and boot Linux Mint on it with no ...
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Version of RTAI compatible

I'm new with RTAI and I don´t know what type of version should i use? I'm using ubuntu 12.04 LTS and kernel 3.2.0-23-GENERIC-pae and could someone please, give me the steps to install it in my pc. My ...
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1answer
42 views

Ubuntu 12.04 LTS server in Virtualbox - problems with apt-get update and Prosody

Playing around with learning how to run an Ubuntu server (specifically, trying to set up Prosody as per a video on ArsTechnica, and a Linode guide), using Virtualbox. I've got it up and running, ...
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error: ELF header smaller than expected

So I had updated ubuntu 12.04 to 14.04 and while computer was rebooting I turned it down and automaticly this showed: error : ELF header smaller than expected . Grub rescue>
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1answer
41 views

Using GPARTED in ubuntu 12.04, to create another partition [closed]

I have bought a new laptop, which has Ubuntu 12.04 in it.. Now I want to put Windows 8.1 in it, without formatting(without removing Ubuntu). I googled for the same, and found using GPARTED utility ...
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1answer
22 views

Unable to log in Ubuntu 12.04 LTS

I am unable to log into my Ubuntu 12.04 machine, username and password prompts reapper again. I can only log in as a guest.
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1answer
40 views

Not able to upgrade to 14.04 version from Ubuntu 12.04.5 LTS

I am completely new to this ubuntu world , I went to upgrade manager and see that I have 12.10 version and not 14.04 version don’t why but when i click upgrade for 12.10 also I am not able to do ...
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Partial Upgrade from 12.04 version problem

The Ubuntu 12.04 suggested to partial upgrade, after it is done, it asked to restart to finish the upgrade, after restarting I found the following problems: - Network Disabled - Mouse not responding - ...
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1answer
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I have a 64 bit Ubuntu12.04 PC. I want to install VLC player without useing Internet? [duplicate]

I have a 64 bit Ubuntu12.04 PC. I want to install VLC player without using Internet?Please suggest as I dont have Internet available on ubuntu PC
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2answers
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Sound not working on dell insipron 14 3442 having Ubuntu 12.04.5 . Using HDA Intel PCH card

Headphone is working fine but laptop sound is not working. Using card 1: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic] on ubuntu 12.04. More Infos:- Card: HDA Intel PCH Chip Realtek ...
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Install Ubuntu 12.04 to microSDHC (class 4) card on DARwIn-OP

I'm working on a DARwIn-OP which has a "Built-in PC: 1.6 GHz Intel Atom Z530 (32 bit) on-board 4 GB flash SSD". The pc has a ubuntu 9 on it and we want it as a fallback, so the plan is to install ...
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53 views

How to install python3-pyqt5 on Ubuntu 12.04?

I was trying to install M64py (N64 emulator) in 12.04 and it showed me this. This installed well without much trouble in 14.04, but not working in 12.04. When i tried using sudo apt-get install ...
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CSALLO: heap below bss?! (in running Geant3) on Ubuntu 12.04

I installed Geant3 on my Ubuntu (12.04). I typed: make and it created gbat.exe and some output (.o) files ...and then I typed: make i and it created gint.exe and then I wrote: ./gint.exe ...
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Ubuntu 12.04 LTS constant internal server errors

my problem seems to be too overarching for me to be able to be very specific, but basically, today after installing some updates through the update manager, Ubuntu suddenly became very slow and ...
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1answer
41 views

Ubuntu 12.04.3 - Expanding/Resizing LVM partition upon additional Disk in a Hardware RAID 5

We have a database server configured as hardware RAID 5 with 3pcs 1TB Disk. Usable is 2TB and partition as follows: /data is LVM Filesystem Size Used Avail Use% Mounted on /dev/sda1 ...
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8 views

How to keep the window manage in the central screen

so this is a question of multiple displays. I am using three displays along my laptop in Ubuntu 12.04. When I press alt-tab the window manage appears on the screen that I am working, that is, if I am ...
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nc command: conflict between different Ubuntu machines

I am using Ubuntu 14.04. Then I have an Ubuntu 12.04 machine running on virtualbox. On the virtual box machine I listened on port 12345 using the command nc -l 12345 And on the host machine, I ...
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ubuntu 12.04 LTS not detecting my 2nd display

Hi I just assembled my pc and got 2 graphic cards into it, I installed ubuntu 15.04 and both screens work , however the pc randomly freezes for a few seconds, so I installed 12.04 and doesnt freeze ...
2
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1answer
34 views

How to get rid of templates folder

I have a simple problem: Whenever I delete the templates folder in my home directory (/home/[username]/ in case that info is of use) it seems to come back. It contains nothing and I have no use for ...
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How can I resize a virtualbox guest os (ubuntu)?

I run windows 8 and virtualbox with ubuntu 12 as guest os. Now it is 96 % full and I want to increase the size of the disk space available to ubuntu. There is no obvious way to do this in virtualbox. ...