Ubuntu 12.04 (aka Precise Pangolin), is the sixteenth release(version) of Ubuntu from Canonical.

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vlc plays only grey screen with some moving parts

I have got some problem with vlc media player after some updates on ubuntu 12.04. Audio and subtitles works fine, but the picture is just grey. I have tried some other output settings x11 video ...
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132 views

Restore session/state in terminals

When I close my browser it remembers "state" in the sense that it remembers what tabs I have open and text that I had entered into various forms. Is there a way to do something similar with my ...
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2answers
103 views

On which partition should I install Ubuntu or Kubuntu

Currently I am using Windows 8 Pro on my system. I want to use Ubuntu or Kubuntu with windows. I tried to install both of it. During installation, when I reached the page to select the partition to ...
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3answers
256 views

Preventing XBMC from shutting down

I have an ubuntu server with XBMC installed and the server connected to a TV via an HDMI cable. To launch XBMC I am running the command: sudo init xbmc By using ssh to remote to the server and ...
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16 views

Networking W7 and Ubuntu

So we have a small office network setup, one Windows 7 computer and one Ubuntu 12.04 networked through an unmanaged switch and Virgin Router. I have my Windows computer running a WAMP server for web ...
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6 views

How to correct the blanking screen on Ubuntu 12.04 LTS x86?

I have Ubuntu 12.04 installed over windows 7 . When I login to my ubuntu profile , only the desktop icons appear and rest sidebars and menu bars and everything are not there. On the other hand when I ...
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344 views

Weird, Random Mouse Movements and Clicks in Ubuntu 12.04.02 - Nvidia Related?

I had some Nvidia issues recently on my Ubuntu 12.04 desktop system - not a LAPTOP, so no touch-pad related issues... I tried everything I could think of, including purging all Nvidia drivers and ...
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249 views

OpenVPN Issues with company VPN

I ram running Ubuntu 12.04 and have OpenVPN installed using NetworkManager GUI. I am trying to connect to a company VPN server with difficulties. I believe the settings are mostly correct but ...
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54 views

Do I have to delete .gconf and .config folders each time I try to login?

I'm running ubuntu 12.04 64-bit. I recently tried to setup pywebkitgtk on my system which required building/installing the following packages. gcc-4.8 webkit-1.1 pygtk-2.0 libcairo This led to not ...
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231 views

Hard drive failures on two home servers

I have two old PC's currently running Ubuntu Server 12.04 LTS at home and they both seem to have HDD failures every now and then. The issue is the same on both, system goes into read-only mode, ...
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76 views

fuse-exfat often fails in Ubuntu 12.04?

Sometimes it fails after I remove my external drive which has several exfat volumes, and sometimes it fails at user log-in. Ubuntu system report says that it is the executable mount.exfat-fuse that ...
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74 views

Strange bridge behaviour, need sugestions

I have this 3 machines with this setup Computer1----Computer with Ubuntu 12.04-----Computer2 Computer1 have IP 192.168.10.1 and Computer2 have 192.168.10.10. My computer with Ubuntu have 2 ethernet ...
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92 views

Removing guest account from Ubuntu 12.04 caused Ubuntu to go to terminal on startup

I have used this tutorial to disable guest account on Ubuntu 12.04. The change was basically adding this line allow-guest=false to the file /etc/lightdm/lightdm.conf And the result was that on ...
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123 views

airmon-ng doesnt see my wifi adapter ralink 802.11b/g usb after update iw

i have ubuntu 12.04 on my vmware workstation i installed aircrack-ng i applied airmon-ng it gave me my wifi chipset after that i applied airodump-ng start wlan0 it told me to update iw from ...
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316 views

Ubuntu in virtual machine behind proxy can't ping

I installed Ubuntu 12.04.desktop on VMware. I'm connecting to the Internet through a proxy. I can browse with Firefox, but when I try to ping any domain, I get this message: 12 packets transmitted, ...
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279 views

How to setup Roundcube on an Ubuntu Desktop server?

I have recently created a home server to put OwnCloud, an open source cloud storage program, on and to host some small files. However I am seeking to add webmail with Roundcube, either with the ...
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518 views

How to log out current user?

I'm very very new to the linux world. I have just installed Ubuntu 12.04 and I was wondering how to log out my user using the terminal. I searched the web and all the sites say that I should run the ...
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1answer
4k views

“Caller rejected because extension not found” in asterisk

I'm an asterisk newbie and I've just installed it on my ubuntu 12.04 server with sudo apt-get install asterisk. I'm following the tutorial for asterisk from here: ...
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2k views

How to shutdown ubuntu server from shell script?

I wrote a simple shell script to shutdown an ubuntu server. Then I created a cron job to execute this script at 23:59 everyday. #!/bin/bash sudo shutdown -h now I got this error message: sudo: no ...
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320 views

Unable to find live file system error while running Ubuntu from USB

First of all there are existing Q&A on this issue on different forums (mainly on AskUbuntu). But none of those solutions worked for me hence I am asking in a new thread here in SU. I earlier had ...
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1answer
4k views

Google chrome dependency error - libnss3

I downloaded the .deb file from Google chrome website. Then started installing. But suddenly the software center shows a dependency not satisfied error. Some thing like given below. Dependency not ...
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1answer
570 views

Ubuntu on login don't ask password

I am using Ubuntu 12.04. I have set a password for login. It don't ask at startup but when I lock the screen it ask password. How to make ubuntu to ask password at login? Can anybody help? I have ...
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4k views

How to best clone a running system to a new harddisk using rsync?

I have a system running as a server that has a failing harddrive. While all important data is on a RAID and backed up and all that, I don't have an image of the system itself. There is no specific ...
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157 views

How to route VPN connection?

I want to connect to a VPN server - running Ubuntu Server 12.04 - using eth0 and route its output to eth1 so I can connect my home PC to eth1. How can I achive this?
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177 views

Apache2 mod_mono ubuntu virtual hosting

I am new so I hope y'all can help. I setup a development machine that I want to use for development ( a laptop with ubuntu 12.04 for .NET/mono/asp.netmvc development and php/laravel development). I ...
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116 views

Unreliable detection of external monitor

I am using a Lenovo T410S with a port replicator that has two external monitors attached using DVI. Some times when I boot into Linux, one monitor is detected. Other times it is two. Oddly enough, ...
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124 views

Permissions error in VirtualBox trying to install Drupal 7

I am trying to install Drupal 7 in a VirtualBox running Ubuntu, used Vagrant to set up the VirtualBox. On the third step of the installation I got an error File system The directory ...
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93 views

getting error while adding a system call

I'm using Ubuntu 12.04(64bit) and installed kernel version linux-2.6.37.3. My device is ASUS x201ev net-book(64 bit). I'm providing the link of procedure i used. i edited unistd_64.h file also and ...
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1answer
168 views

Upgrade from 10.04 to 12.04: apt/aptitude debug information

I have an issue mentioned here: during update from 10.04 to 12.04 The workaround: apt-get -f install -o APT::Immediate-Configure=false python-minimal seems to work, but there are two problems with ...
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3answers
84 views

What is a UEFI?

While installing ubuntu 12.04 LTS on my windows 8 PC, many online tutorials were telling to disable the UEFI. My question is what is UEFI and what is it's use?
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48 views

How can I detect if Chromium has crashed?

I have a machine running a webpage through chromium in a display case. When the webpage crashes and displays "He's Dead Jim" I need an automated CLI solution to re-start the browser. I'm currently ...
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2answers
60 views

Simple way to encode data on flash drive

I have a USB flash drive and would like to base-64 (or similar) encode all the files/folders (recursively) under a certain parent directory on it; let's call it "toEncode". It would be preferable to ...
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1k views

Setting up networking on local development server under VirtualBox

I'm a web developer and want to move away from using XAMPP on my machine for developing. I'd like to have my own development server however don't have the hardware so I'm setting one up with ...
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1k views

Samba netbios aliases throw an inexplicable usershare error

I am trying to set up netbios aliases in Samba on Ubuntu 12.04 LTS (2:3.6.3-2ubuntu2). My primary share (not on the aliases) work fine. The shares on the aliases can be listed but fail when ...
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66 views

Where are the docs for solid-pop3?

I'm trying to install solid-pop3d on an Ubuntu server, but I am having a very hard time finding anything online by way of documentation. I've heard that the project is very active, yet there does not ...
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102 views

How to interpret state and log files written by preload program in Linux?

Preload is a program which prefetches files from the disk needed by various applications to reduce application startup time. It seems to be very popular and useful (just google preload+linux) but the ...
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266 views

Unbuntu, Hyper-V, and Remote Desktop: strange behavior

This question got kicked off of stackoverflow, and they suggested I might have better luck here. I'm trying to learn Ruby on Rails and fighting with the environment is proving to be a challenge. ...
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1answer
240 views

Grub Customizer Crashes, reset Grub settings

I have a problem with Grub Customizer, I installed it and re-installed it, but every time I run it, it crushes before I can do anything. The thing is my Grub 2 Bootloader now is full with previous ...
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1answer
285 views

Why “php x.php &” leads to a STOPPED background process

x.php: <?php sleep(15); ?> console: $ php x.php & [1] 5742 [1]+ Stopped x.php Result: a "STOPPED" process - it's there forever until I send a TERM and then CONT ...
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47 views

All the terminal programms close after one second

All the terminal programms like Terminal, xterm and Guake-Terminal close after one second. The error happens after i changed the /.bashrc with exec somescript.py. Can you tell me how to solve this ...
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80 views

Files not being written to USB Disk

I bought a USB MP3 player, but I'm having some problems with it. After I put my files on it and then safely remove it, they seem to become corrupted. I'm currently trying with music files, and only a ...
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1answer
665 views

rTorrent watch directory not working

I am having trouble getting watch directories to work in rTorrent. I have this in my .rtorrent.rc file: schedule = watch_directory,5,5,"load_start=/home/rtorrent/watch/*.torrent" schedule = ...
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128 views

Mac OS as host, Ubuntu 12.04 (64bit) guest as dual-boot on VirtualBox

I have an Ubuntu installation on a partition on my Mac and I would like to boot Ubuntu from within Mac OS X using VirtualBox. When I want to start the machine I only get Error loading operating ...
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2k views

increase /home size from root folder

The following is my partition in linux (ubuntu) Filesystem Size Used Avail Use% Mounted on /dev/sda7 42G 11G 29G 29% / udev 2.0G 4.0K 2.0G 1% /dev tmpfs ...
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1answer
152 views

History for this remote command => ssh username@xxx.xxx.xxx.xxx “echo foo”

2 Questions In the following command, does echo foo get logged anywhere on an Ubuntu server? # remote server us running Ubuntu 12.04 $ ssh ...
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1answer
2k views

Why am I getting permission denied (publickey) after chmod 600?

I got @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: UNPROTECTED PRIVATE KEY FILE! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions ...
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112 views

Should I throttle my Ubuntu server that is on my home network?

I have just set up one of my old computers to be a web-server with Ubuntu 12.04.3. I was thinking that i should probably throttle/limit the bandwidth/speeds over ssh/ftp in order to not murder my ...
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145 views

SWF file from website crashes computer on Ubuntu 12.04.3 LTS but not Win 8

If I visit the website (with Firefox 26.0 or Chrome) http://betway.com/sports-betting then on Ubuntu 12.04.3 LTS (on a brand new Lenovo S540, Haswell i7, 8Gb RAM, 10gb linux swap-drive), and use ...
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984 views

Kali/Ubuntu doesn't detect windows partition

I am trying to dual boot Windows 7 with Ubuntu or Kali Linux but i am unable to do so. I have backed up all my data to an external hard drive. So it is safe to work with partitioning. I have a 500 ...