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 12.04 wifi not getting connected, wicd network manager response - No wireless networks found [duplicate]

I have tried connecting to WiFi in my Dell Vostro laptop, distribution is Ubuntu 12.04 LTS. The wicd network manager shows No wireless networks found. Output of lsusb&&lspci is: Bus 001 ...
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Gratitude for everything you all do here [migrated]

This is to say 'thank you' for this powerful network built with all the supports. There has not been an issue I have not found the answer in the forums archive. It is just unbelievable the freedom I ...
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2answers
33 views

npm unresponsive after nodejs install on fresh Ubuntu 12.04.5

Here's where I'm at... I have an old chromebook that I put Ubuntu (and Xfce) on via crouton. After installing the chromium browser, I installed nodejs via apt-get. I found that when trying to install ...
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19 views

How to remove the many nm-applets

In 12.04.01 I am using the WLAN via the nm-applet (this is the default way). When the Hotspot is removed, the nm-applet tries to offer alternate connections and asks for their password, and after a ...
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12 views

Ubuntu Software Center crashing (2/22/2015)

Ubuntu Software Center is crashing with following error message. I tried to uninstall and install but no luck. software-center 2015-02-22 17:31:08,922 - softwarecenter.ui.gtk3.app - INFO - setting up ...
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23 views

Boot screen on Ubuntu freezing (both 12.04 and 14.10)

So, the loading screen stucking up after Im trying to install Ubuntu 12.04 http://www.youtube.com/watch?v=sKk1PeXMet8 I tried 14.10 as well http://www.youtube.com/watch?v=sV-GUzRiQ4g I think that ...
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2answers
29 views

How to install driver WIRELESS BROADCOM BCM4313 802.11 or ETHERNET QUALCOMM AR8162 (OFFLINE) for lenovo G480

configuration to lenovo : lenovo@ubuntu:~$ lspci -v 00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09) Subsystem: Lenovo Device 3977 Flags: bus master, ...
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Setup Linksys E900 Ubuntu 12.04

I just bought a Linksys E900 and I am unable to access the Admin Login page over http://192.168.1.1 Instead I see this page There is no way I could login ad Admin and Setup the router. Can ...
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16 views

Unable to install cpu-checker [duplicate]

$ apt-get -f install cpu-checker E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
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28 views

Unmet dependencies. Try 'apt-get -f install'

sjp@sjp-Lenovo-IdeaPad-Y530:~$ sudo apt-get install cpu-checker [sudo] password for sjp: Reading package lists... Done Building dependency tree Reading state information... Done You might want ...
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1answer
22 views

Installation of SRILM on ubuntu 12.04

I am trying to install srilm-1.6.0 on Release 12.04 (32-bit, Kernel Linux 3.5.0-41-generic) that is run on virtual machine (VirtualBox 4.3.12 r93733) gcc -v said that it is gcc version 4.6.3. I have ...
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1answer
40 views

Hard blocked wifi Ubuntu 12.04 [duplicate]

Output of rfkill list: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: yes What is the work around available?
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1answer
36 views

Ubuntu on Chromebook: (precise) “myusername”@localhost: what is precise?

I am new to Ubuntu, so this might be a silly question. I just followed the instruction online and installed Ubuntu on my Acer CB3-111 Chromebook. I noticed something different than the Ubuntu that I ...
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1answer
22 views

Is it safe to change the system python3 to point to python3.4 on Ubuntu 12.04?

I've installed python3.4 from the deadsnakes repo, and I'd like to make it my default python3 (which is currently python3.2). Is it safe to simply change the python3 link? sudo ln -s ...
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31 views

Join Ubuntu to Windows domain “automatically” not by the user!

I'm working on a project related to image cloning using a FOG solution (to clone an image of Ubuntu 12.04 to target machine using FOG server) We also have an active directory (Windows Server 2008) ...
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1answer
21 views

Black Screen With Message

Whenever I start the laptop there comes a black screen with message as shown in the image below. But After shutting down and restarting again and again 10-20 times(sometimes more than 20) it gets ...
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0answers
16 views

text box prevents use of keyboard

Almost every time I try to play a game on my laptop, the textbox appears and I can't use my keyboard. My laptop runs on Ubuntu 12.04 and I can't figure out how to disable/delete the textbox. It always ...
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11 views

Fix “bad format character: u” error for format '8u'

I've been trying to use this GTK Theme Variant Switcher script and I've run into a problem. The script generates and runs an xprop command: xprop -id [processID] -f _GTK_THEME_VARIANT 8u -set ...
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0answers
24 views

How to find the command line to install that specific software? [duplicate]

I don't like GUI way I like command line way, also ask a question about how to install one software from the terminal seems kind of stupid.
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1answer
19 views

How to enable softwares sources? [duplicate]

After a fresh ubuntu installation from the terminal, I mean what are the commands line I should enter to enable softwares sources such as universe/multiverse/main?
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0answers
55 views

Issue with graphics drivers after install [duplicate]

I have been having an issue and I hate to say Windows comes better :( I have an old laptop HP Pavilion DV2000 to be exact I can install windows fine. Windows XP, 8 and 8.1 Ubuntu 12.04 installs and ...
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16 views

How can i increase the storage size on ubuntu?

Extra disk defined for storage on ubuntu,but even i can see the volume size in disk utility, when i went to mounted storage that is done before, i see old size of storage.What should i do for ...
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1answer
18 views

What is the problem with ubuntu 12.04 x86 for the EdX install? or why is the 64 bits version required [closed]

I want to install openEdX on Ubuntu server 12.04 but my machine is x86,is it possible?
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51 views

My Hp laptop( 64 bit, Core i5, 4 GB RAM) is too much slow in ubuntu 14.04.1

My HP laptop is very slow after few days from complete installation. System details as follows. Core i5 processor, 4 GB RAM, 500 GB HDD, 64 bit processor. Now I installed ubuntu in 100 GB disk space. ...
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16 views

sql querry output is not showing in oracle 11g [closed]

there is no output showing but is processed successfully.where i am getting wrong run a.sql declare begin dbms_output.put_line('dbms'); end; PL/SQL procedure successfully completed.
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21 views

Can't boot Ubuntu, during loading shows error “Could not write bytes:broken pipe” [closed]

I am using Ubuntu 12.04. Yesterday, I replaced my old Intel DH55TC motherboard with a new consistent h55 motherboard for i3 540 processor. After Ubuntu loaded the purple screen, it showed an error ...
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2answers
37 views

How to extract images from a video? [closed]

I mean how to generate images from a video like screenshots, what are all the available options from a terminal command line to a GUI software?
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0answers
23 views

“Replace the customized configuration file” dialog frozen during upgrade from 12.04LTS to 14.04LTS

About twelve hours ago, I started upgrading a laptop from Ubuntu 12.04LTS to 14.04LTS (better late than never, right?) using the ordinary, built-in graphical Distribution Upgrade tool. I stayed until ...
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21 views

Jave heap space error appearing Linux ubuntu 12.04

I'm running my program and this error appears after some time java.lang.OutOfMemoryError: Java heap space at HadoopMyapp.HistogramPair.<init>(HistogramPair.java:25) at ...
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8 views

vim in tmux breaks with cyrillic symbols

So, I have file with russian text. Using Ubuntu 12.04 If I run vim in clear console and open this file - everything is ok, here is screenshot But if I run vim in tmux the result is Here is my tmux ...
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31 views

When will the Ubuntu phones be available in India? [duplicate]

When will the Ubuntu phones be available in India?
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1answer
37 views

Package system is broken (Ubuntu 12.04) [duplicate]

Keep trying to update Ubuntu 12.04 but it keeps telling me that my package system is broken. I run apt-get -f install and get this : owner@MyLaptop:~$ sudo apt-get -f install [sudo] password for ...
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0answers
27 views

I am getting Could not clean server of obsolete files: null error

I was using eclipse and tomcat 7.0 fine for all web application till yesterday but unfortunately i lost my eclipse folder(which is i am running exe) and temp folder(which is workspace directory) so i ...
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21 views

How do I only install ubuntu 12.04 in hp z400 workstation?

I am trying to install ubuntu 12.04 in hp z400 workstation which has windows installed before. When I tried to install ubuntu, I got this error: “Unable to install GRUB in /dev/sda”. When I chose ...
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2answers
35 views

RecordMyDesktop doesn't work. Suggestions for a screen recorders for my game console? [duplicate]

Please. I need a new screen recorder so I can record my emulated games. (PS1, SNES) Please suggest me ones that are simple and require no hard to understand sudo code.
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1answer
43 views

eclipse exe not opening in ubuntu 12.04 [on hold]

I was using eclipse in my ubuntu 12.04. How i run my eclipse is, double click on eclipse exe and then do my application in that eclipse IDE. Unfortunately i lost my eclipse folder(which is unziped ...
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8 views

Why are my windows occasionally going white in Ubuntu?

I'm running Ubuntu 12.04 LTS on a Lenovo ThinkPad W510. Occasionally, my system will enter this state in which the chrome of the application "disappears" and becomes white. It will then sometimes ...
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18 views

install atheros ar956x

I am working on a 12.04 LTS based distro, but cannot connect to wifi. I am however able to use cable. I figured I had to install the drivers for my atheros ar956x wireless module in my toshiba laptop. ...
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17 views

Ubuntu LTSP 12.04 freezing on thin client login

I have set up Ubuntu LTSP 12.04 thin client server successfully , the problem is when I users try to log on , using thin client machines the server and clients altogether freeze.
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1answer
45 views

Missing drivers on my ThinkPad

I have a ThinkPad T440s, and I have been using Ubuntu 12.04/14.04. Regardless of what version I use, I consistently have issues with Brightness control (has an easy fix) Bluetooth startup (has an ...
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16 views

Very weird behaviour when signal sent from Kernel to UserLand Process

So I am sending a SIGUSR1 signal from a LKM to a userland process. Assuming I have the PID of the user-land process, here is the relevant code from the LKM: void s3f_send_signal(struct task_struct* ...
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15 views

How do I disable SSLV3 in Ubuntu 12.04?

I run the following command (identifying the host and port) via terminal and get connected, so SSLV3 is still enabled on my Ubuntu box but I can't find any resource on how to disable it. openssl ...
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0answers
50 views

webcam not working in 12.04 for dell inspirion 3542

i have bought new dell inspirion 14 3542. webcam is not detected. i have gone through web but could not find any working result. The output of command lsusb is Bus 001 Device 002: ID 8087:8000 Intel ...
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0answers
18 views

Can't shut down and connect to internet

Lately, my ubuntu 12.04 has been acting out of the ordinary. I have found that my entire internet menu has disappeared. Now, ubuntu can't access wifi anymore. I tried to restart so that maybe ubuntu ...
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20 views

Are systemd fixes backported?

My initial Stackoverflow question is: here. Launchpad bug #1333140 here indicates a fix has been produced (thank you to all involved!), see extract below. systemd (218-10) experimental; ...
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27 views

Running 12.04 LTS as Virtual box on a windows 7 , 64bit OS .Not able to access internet from Ubuntu VM box

Running 12.04 LTS as Virtual box on a windows 7 , 64bit OS .Not able to access internet from Ubuntu VM box. I have a wired Internet connection and able to access internet from windows 7 .But not ...
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11 views

how to install Excelsior JET 10.5 in linux?

I am trying to install Excelsior JET 10.5(http://www.excelsiorjet.com/evaluate) for make my j2ee web application into exe. I downloaded that jet-1050-eval-en-linux-x86-reg.bin(32 bit) and tried below ...
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19 views

How do I bypass the authentication to set another password? [duplicate]

I have an administrative accout with no password yet it still asks for authentication and it won't except my old password or "user". What should I do?
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19 views

Graphics Card capable of switching from Ubuntu 12.04 to 14.04?

I would like to upgrade one of my old machines from 12.04 LTS to 14.04 LTS. When I try to do so, however, I get a message that my video configuration is not optimal - and I should stand pat. From what ...
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7 views

Ubuntu 12.04 PlayOnLinux, dual monitor issue

I am playing League of Legends on PlayOnLinux and after I pick the champion it should load the game but it turns my dual monitor off and all freezes can't even use my keyboard or road