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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Problem Installing off of Terminal

I have this problem where I try to: sudo apt-get install android-tools-fastboot but instead of searching the internet, it tries to look on my disk drive: E: Unable to locate package ...
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query about Hard drive for ubuntu 12.04 [closed]

Im using a ddr 2 mother board, is SATA 3.0 GBPS will be compatible. I know this is out of ubuntu but please answer
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40 views

Ubuntu reinstallation side by side with Windows XP

Here's the issue: my partition table is a mess: Device Boot Start End Blocks Id System /dev/sda1 * 63 126435960 63217949 7 HPFS/NTFS/exFAT /dev/sda2 ...
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Ubuntu 12.04 alongside 14.04 and Windows 8.x

Have successfully installed Ubuntu 14.04 LTS on a Windows 8 machine. For running some old OS software I also need Ubuntu 12.04. Had created the partitions, had started installation of 12.04 from the ...
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Unable to move files even as root

I run PCs with Ubuntu 12.04, and the symptoms are consistent from two different PCs. I have a backup server, and normally have no issues with copying files there. Recently, I moved some files to ...
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I can not get to my desktop after updating of my PC running Ubuntu 12.04 LTS

I was running ubuntu 12.04 LTS in my PC and after an update I cannot get logged in and says logging is failed and give the option (log out), or some times when I logged in , I just get only desktop ...
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52 views

Ubuntu 12.04 updates manager - “Not all updates can be installed. Run a partial upgrade”

The message is for certain updates under the heading of (Other updates (LP-PPA-kubuntu-ppa-backports)). When I tried sudo apt-get update, i got the message: W: GPG error: http ...
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1answer
13 views

DNS named and zone file config help

I'm seeing the following dns resolving errors on the Ubuntu server. Jan 7 14:46:17 xrmt5 named[5140]: error (network unreachable) resolving '225.11.1.1.lab-map.abc.com/A/IN': 2001:500:2f::f#53 Jan ...
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38 views

Open, write and read ttyUSB0

I am doing a program to open, write and read the port ttyUSB0, I have the next program and I don´t write anything. Can anyone help me please???? #include <iostream> #include ...
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1answer
56 views

Ubuntu server 12.04.5 Package php5-mcrypt is not available

I'm on Ubuntu Server 12.04.5 I'm trying to install php5-mcrypt. I'm getting this error. ~$ sudo apt-get install php5-mcrypt Reading package lists... Done Building dependency tree Reading ...
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1answer
39 views

login hang after password

I'm new to Ubuntu and was running updates from 12.04 to 14.04 when some system error showed up and I restarted. But now after typing the password it refuses to log in and just hangs. What should I ...
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1answer
55 views

No disk space left on root, Ubutntu 12.04

When I restarted my computer, which is running ubuntu 12.04, I got a message that there was 0 disk space left on /. The output of df is as follows: $ df -h Filesystem Size Used Avail Use% ...
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1answer
57 views

Mail Server Can't Receive Email But Can Send Email - Postfix, Dovecot, MySQL

I have server where I want to set up a mail server to let me receive and send email from my domain. I'm currently having a problem where while I am authorized to send email from the server, but ...
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2answers
31 views

No longer a part of sudoers list after adding docker

I naively ran a few commands with sudo while trying to get docker working on my machine. Now upon trying sudo, I get this error: dorsatum is not in the sudoers file. This incident will be reported. ...
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2answers
68 views

VNC viewer grey screen since upgrade to Ubuntu 14.04 from Ubuntu 12

Before we begin, please excuse my complete ignorance, I am a relative novice to system administration. I know there are a few posts so far about Ubuntu 14.04 messing with VNC connections. So far my ...
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13 views

I cannot conect to my Wi-Fi router

Greetings. I have a huge problem. My laptop which has recently been upgraded from Ubuntu 3.0 to Ubuntu 12.04,cannot conect to my personal WiFi router. It was working fine on the older version,but when ...
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1answer
49 views

cannot start system because of plymouthd error

I was using UBUNTU 12.04, and I tried updating it. Since then whenever I startup I get an error - "Plymouth: could not start splash: can not access a needed shared library." After showing this error ...
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46 views

Redshift not starting on Ubuntu 12.04

I have installed redshift (gtk-redshift 1.7-1ubuntu2) via the ubuntu software center. When I try to run it from the launcher, the icon appears in the status bar, and then disappears, and the ...
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30 views

Movie player keeps crashing on launch

I am using Ubuntu 12.04, and recently (it was working well till a couple of weeks back) my movie player kept crashing everytime I launched it. Any idea what I must do to fix it.
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rails -version command error in Ubuntu 12.04

I have installed ruby and rails in Ubuntu 12.04. I am trying to create the new project for rails using this command "rails new testApp", but it is giving me the error ...
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12 views

Ubuntu 12.04 format support

i was installed ubuntu 12.04 (dual boot with windows 7) in my laptop and yesterday i successfully format it to choose Uninstall Program and Disk Managment option in Windiws 7.But when I restart my ...
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1answer
23 views

Release upgrade for Ubuntu EC2 AMI launches SSH on a different port

sudo do-release-upgrade on a Ububtu EC2 AMI shows the following warning message, is it safe to continue or what would be the preferred procedure. cat /etc/lsb-release DISTRIB_ID=Ubuntu ...
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2answers
68 views

How do I change the monitor resolution in xubuntu?

I am using xUbuntu 14.04.1 LTS and I'm having a problem where the OS is using a resolution of 1280x1024@77Hz, but my monitor (a Dell 2209WA) has a native resolution of 1680x1050@60Hz resulting in a ...
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1answer
34 views

Upgrade Ubuntu (from 12.04.3) to 12.04.4 LTS (and not 12.04.5)

I have servers in a VM, with Ubuntu 12.04.3. I tried to upgrade servers to 12.04.4. Downloaded ubuntu-12.04.4-alternate-amd64.iso and ubuntu-12.04.4-amd64.iso. Mounted each at /media/cdrom (one at a ...
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6 views

Windows Flashing White

When I launch Sublime Text 2 or Home Folder on 12.04 LTS, that window starts blinking white, mainly on Sublime. I don't have a great processor, but this only occurs on certain windows, so I don't ...
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15 views

could not connect to server

To solve an error that said ( permission denied ), I tried to sudo chown –R edxapp / Then error appear says: must be setuid root. And to solve that I tried chmod u+s /usr/bin/sudo but then ...
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88 views

How to rename file names to different encoding?

I have 3 types of file name encodings on reiserfs mounted hard drive: CP1251, KOI-8, UTF-8 and ASCII. I really need to convert all encodings to UTF-8, recursively. Is there any utility, which will ...
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1answer
39 views

Why does ssh(d) seems to use OpenSSL heartbleed version?

It is commonly known that the heartbleed bug exists in the OpenSSL versions 1.0.1 through 1.0.1f (inclusive). So why are ssh and sshd compiled with OpenSSL 1.0.1, where the bug exists (12.04 -> ...
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1answer
28 views

What rule arranges the selection grid for multiple windows of the same program?

When I have multiple windows of the same program running (e.g. multiple documents in the same editor, or multiple terminal windows), and I click on the program's sidebar icon, and it shows a grid of ...
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12 views

Disk sizes for compute and

To install opens stack cloud on 2 node configuration what are the sizes of root & LVM partitions on controller and compute nodes. on what basis the same can be decided?
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can not build kernel 12.04 omap4

there is no way to build custom kernel for 12.04-omap4 pandaboard. I already tried all examples in internet available. Actually it worked until kernel version linux-ti-omap4-3.2.0-1455. The newly once ...
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71 views

Battery is fully charged but when I unplug my laptop it shows battery is low

I am using Ubuntu 12.04 on my dell INSPIRON N5110. The battery icon shows the battery is fully charged(when plugged). When I unplug it says that I have low battery and approximately 20 minutes of ...
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How do I get past the libc dependency issues on 12.04

How do I get past the libc dependency issues on 12.04 cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.4 LTS" sudo apt-get -f ...
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1answer
57 views

Issue with ubuntu and bluetooth mouse and keyboard

I have a bluetooth mouse & keyboard (Dell KM714) that don't seem to be recognized by Ubuntu 14.10. They don't appear in the list of bluetooth devices when I am looking for them. Is there a way to ...
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34 views

File splicing – Input Output error

File splicing – Input Output error I need to copy about 1TB of data from an internal SATA disk to another external SATA disk. The copying consistently stops after some 300 to 400 GB, with the error ...
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151 views

Operating system wasn't found (Live boot)

Using USB to ISO, I put Ubuntu 12.04 i386 on my USB and then connected it to another machine. On the machine, when I select boot from USB, it gives me the error, "An operating system wasn't found. Try ...
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problem re-installing ubuntu 12.04 LTS amd64 on DELL inspiron 5454

I've just bought a second hand DELL. I always use Ubuntu, and DELL is usually very simple and straightforward, I usually never have any problems. However this DELL is having problem after problem. ...
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Server detected Error while using wine on ubuntu 12.04

I want to install one .exe application on ubuntu 12.04..this application is basically for connecting another VPN.. So, as required i installed wine and launched my application as : wine ABC.exe... ...
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81 views

cant start windows 7 after ubuntu dual boot upgraed

I was running dual boot win 7/64 - Ubuntu 12.04 installed via Wubi. After upgrading Ubuntu to 14.04, I can't login to windows 7, the GRUB menu loads, but its stuck on loading windows screen. ...
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33 views

wlan on xps 13 (sputnik 3) with ubuntu 14.04

I'm the very happy owner of a Dell xps 13. 12.04 work flawlessly on it. Last week I had the bad idea of upgrading to 14.04 (NO fresh install). Apart from a series of minor problems with touchscreen ...
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1answer
80 views

sbin/init crash after log in

Hi I have been getting a problem where, every time I log into Ubuntu, a red exclamation mark appears in the top-right of the screen. On clicking it, a window appears to say "Sorry, Ubuntu 12.04 has ...
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48 views

Mailbox icon replaced Dropbox icon

Recently I noticed that my Dropbox icon is missing. About the same time, I noticed that there is some kind of mail icon right where the Dropbox is supposed to be. I don't use any kind of ...
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1answer
42 views

DISPLAY variable blank. 12.04.5 LTS on virtualbox

I've researched some for an answer to what seems a common question but I still need more help. I am a complete newbie. I installed ubuntu 12.04.5 LTS on Oracle Virtualbox 64bit set up for ubuntu. ...
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2answers
76 views

Flash is not available in chrome browser

http://get.adobe.com/flashplayer/ - Flash is not available in chrome browser, even when the Update Manager mentions that the software is available. What should I do?
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does the Steelseries Siberia v2 Heat Orange headset also work on linux?

I want to buy the Steelseries Siberia v2 Heat Orange, but I don't know if it also works on Ubunt 12.04 LTS. I couldnt find any ansewrs in the internet so far, so I'm asking now here. But steelseries ...
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1answer
115 views

Connect using Windows RDP

I want to connect Ubuntu LTS via windows7 RDP. Is there any other settings these settings are not working. https://community.hpcloud.com/article/using-windows-rdp-access-your-ubuntu-instance
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Any guide to run Nginx alognside Apache2 on Ubuntu 12.04 Server (VirtualBox)?

Is there any guide/tutorial/links for running Nginx alongside Apache2. If yes please provide the same ASAP. I'm running Ubuntu 12.04 server on Virtual Box. I had already installed & working ...
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How To Create a SSL Certificate on Apache for Ubuntu Server 12.04 (Virtual Box)?

I almost tried the following things to create ssl on apache2 but i think it is not working. I tried :- sudo a2enmod ssl sudo service apache2 restart Created a new directory for ssl sudo mkdir ...
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1answer
82 views

How to copy & paste from Windows 7 host machine to Ubuntu 12.04 terminal virtual box ??

I am running VirtualBox on my Windows 7 laptop, running an Ubuntu 12.04 Server as guest machine. I would like to copy some commands (which are too long to write on terminal) from Windows 7 (host ...
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Distribution manager freezes when upgrading from 12.04 to 14.04

The distribution manager freezes when upgrading from 12.04 to 14.04. The download goes smoothly. At one point during the install it restarts. After the restart it just freezes. Then I have to do the ...