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

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Connect two Guest OS's in VMWare WorkStation 10.0

I have installed Ubuntu 12.04 in VMWare WorkStation 10.0 and I want to connect and ping / ssh the another Ubuntu 12.04 which is installed in the same host OS in VMWare WorkStation 10.0 Is it ...
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527 views

Installing Dell v313 printer/scanner on Ubuntu 12.04

I've been searching for hours now, trying to find a working driver for a Dell 313 printer/scanner (v310 - 510 series) on Ubuntu 12.04. But I can't seem to find a working one. I really need this to ...
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260 views

System time messed up after booting from Linux flash-drive

I had recently installed Edubuntu 12.04 LTS onto a flash drive and have started booting from it. Since then, every time I reboot my system after using Edubuntu, my Windows time is four hours later ...
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472 views

Ubuntu laptop powers off without warning very soon on battery

Problem: I have a laptop. It works very well on AC power, but on battery power, it powers off in a few minutes, if not seconds, without warning. I saw lots of similar problems not only from SU, but ...
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772 views

ssh passwordless, all is set, but connection timeout

I am trying to set up passwordless connection between two server, backup and prod. prod can connect passwordless without problem to backup, but if I try the opposite way, I just get timeout. prod$ ...
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117 views

Stop screen dimming after 60 seconds - Ubuntu on a MacBook Air

I'm running Ubuntu 12.04 on a MacBook air - everything works fine, apart from the fact that the screen dims after 60 seconds of activity. Is there any way to stop this? My computer is on mains ...
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2answers
461 views

noip install on Ubuntu

I'm trying to install noip on Ubuntu 12.04.4, and I do not know the first thing about building/compiling software. The README file stated these exact words: HOW TO BUILD AN EXECUTABLE FOR YOUR ...
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355 views

Automated sudo and screen command

I would like to be able to launch a script in a separate screen command session as a separate user when I run a .sh script. Here is what I think it may be in the script: #I am also starting xampp ...
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55 views

How to make a Bootable CD from a HDD image

The title says the idea, i need to make my ubuntu server and all the modifications & instalations i do on it be imaged into a CD, with the idea, of course of use this CD to install the clone in ...
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90 views

two nics on ubuntu server cannot reach outside

I have two Nics on server: auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet static address 10.137.66.69 netmask 255.255.255.0 dns-nameservers 8.8.8.8 auto ...
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105 views

How to add extra packages to Ubuntu install CD using kickstart

I used kickstart to automate Ubuntu12.04 alternate iso installation. I am able to automate the installation. Now I want to install some extra packages such as teamviewer during OS installation. But ...
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90 views

Formating pendrive in Ubuntu

The pendrive contains a virus and I'm unable to format it due to write protection and I haven't enabled it. I searched the Internet to format it from terminal but it always failed with write ...
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175 views

Triple boot (OSX, Vista, Ubuntu 12.04): replace Ubuntu with CrunchBang

I'm probably not really a power user (I can read instructions) but my problem is pretty specific, so I figured it would fit here. I'm sorry if it doesn't. I managed to set up triple boot (OS X ...
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3answers
975 views

Bridged Network: No IP address on Guest OS

What I want: I want a virtual machine guest running Ubuntu (on VirtualBox) for various web development test servers (running on different ports, e.g. Grunt.js is running on port 9000). I want to ...
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31 views

Can't start Byobu?

I can type this command byobu on the terminal and Byobu will start but when I click on the Gui icon it starts and closes fast. What I did before that is enable autolaunch and then disable it I thought ...
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83 views

Glitches after closing/opening laptop lid. T410p, NVIDIA

I've just installed Ubuntu 12.04 on a Lenovo T440p. I have an integrated Intel GPU, which works fine (until now), and another gpu (NVIDIA GeForce 730M) which I wanted to use instead. I installed the ...
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2answers
59 views

Need to rename many files on Ubuntu

I have around 1000 files named "Home Movie - 01 - First Birthday" and "Home Movie 02 01 12" I need to rename these to just "Home Movie". Is there any way to do this? Running Ubuntu 12.04 Thanks, ...
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17 views

Error installing Keystone OpenStack

I'm trying to install OpenStack in Ubuntu 12.04 which is hosted on Windows 8 via VMWare Workstation 10.0 but I'm getting error while installing keystone. I have pasted all output in pastebin here
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102 views

Download Ubuntu Live CD

I wanted to download Ubuntu Live CD for my system.I use Intel laptop machine. I downloaded Ubuntu version here http://www.ubuntu.com/download/desktop (For extended support,choose Ubuntu 12.04 LTS) ...
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117 views

SSH asks password when invoke it in script

I have one master and four slave computers. I generated rsa public/private key on master PC. Then I copied publickey (id_rsa.pub) to slave machines as authorized_keys. It doesn't ask password when I ...
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24 views

VMWare disk space differs with actual disk space

My situation is the opposite of Virtual Machine running out of disk space when there is still space left. I have an Ubuntu VM which was allocated 16GB. The VM became terribly slow recently and on ...
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65 views

Multiple interfaces on Ubuntu

There are multiple interfaces on my Ubuntu box - Ubuntu 12.04.1 LTS - and each of them is assigned an IP from the same subnet. # ifconfig eth0 Link encap:Ethernet HWaddr 00:50:56:9f:0a:0c ...
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48 views

Accidentally deleted /usr/lib/python2.7

I accidentally deleted /usr/lib/python2.7. I tried to get that directory from another machine and copy it onto mine. However, I can no longer access the Internet now. It just keeps trying to ...
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770 views

How to get Ubuntu 12.04 to recognize the UDF filesystem?

I'm just trying a watch a commercially bought DVD on my laptop, but Ubuntu 12.04 won't recognise UDF: $ sudo mount -t udf /dev/cdrom /media/cdrom mount: unknown filesystem type 'udf' I got the ...
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672 views

With VMware Workstation, how can I SSH from the host to a guest with NAT?

My host is Windows 7 with VMware Workstation 10. I am running an Ubuntu 12.04 guest that is connected to an NAT network. How can I set up the network so that I can SSH from the host to the guest? I ...
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1k views

Unattended Ubuntu 12.04 Desktop installation Using Kickstart

I was trying to install Ubuntu 12.04 Desktop Using Kickstart from the tutorial here. Here is ks.cfg file #Generated by Kickstart Configurator #platform=x86 #System language lang en_US #Language ...
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68 views

storing and securing the video using ffmpeg

this is my first question on the site. Currently I am working on one application which captures the video and store it in the system hard drive. Both the functionality is working fine.We are storing ...
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2k views

can't install windows 8.1 after Ubuntu install

I have lenovo G510 laptop. Initially it was running on Win 8.1, I wanted to install Ubuntu 12.04 LTS alongside it. after installation I couldn't boot my Win8.1 (I choose it, after one second it return ...
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93 views

Unable to ping server

I have a Linux server that seems to have lost the ability to respond to a ping.. I recently installed Nagios on another system and need to have this Ubuntu server answer up to a ping.. I'm using ...
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837 views

usb multicardreader detected, but device not shown/available, Ubuntu 12.04

I have problems with my usb cardreader in Linux Ubuntu 12.04 . I think the device is detected by the operating system, but not shown in category devices and therefore not available. I have checked ...
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1answer
75 views

Directory permission changes failing

I've tried to change permissions on a directory to 775. I've used this command: sudo chmod -v 775 /vagrant/app/cache It tells me that the command executed successfully: mode of ...
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62 views

Cloning drive to drive of same size in Ubuntu Server 12.04LTS

I'm trying to replace a 3.5in hard drive with a 2.5in hard drive inside a 1U server. The drives have the same capacity (250GB, 232GB formatted). It's been years since I've cloned a hard drive, and ...
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Hyper-V Wifi Ubuntu 12.04 LTS

I am installing hyper-v for the first time on a device that uses a wifi connection. Previous installations have used wired network adapters. I noticed after creating an external switch , the wifi ...
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316 views

All rails application logs being written to apache error log

I've deployed a ruby on rails 4.0.3 application to a server that I've configured with the following likely relevant software: Ubuntu 12.04.4 x64 server Phusion Passenger 4.0.37 Apache 2.2.22 Ruby ...
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73 views

How to login a server behind LAN via ssh

There is a server in a private company that has no public IP, it's IP is 192.168.x.x. And I know the company's public IP: 61.xx.xx.xx, Is there any tool or method can let me login to a server which ...
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34 views

Why is 200 (octal) being subtracted from bytes written to / read from disk?

I'm running Ubuntu 12.04 on a P8P67 Deluxe Asus motherboard, with 3 x 1TB+ WD Caviar Green SATA disks. When I run: cp /media/X/ubuntu.iso /media/Y/ubuntu.iso cmp -l /media/X/ubuntu.iso ...
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1answer
55 views

Bridged network in corporate environment

What I want: I want a virtual machine guest running Ubuntu (on VirtualBox) for various web development test servers (running on different ports, e.g. Grunt.js is running on port 9000). I want to ...
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76 views

Ubuntu/Xubuntu How to print multiple 1 page files in desired order using double side printing?

I got document scanned 1 page per jpg, files are named (the order i want to get) a-1.jpg b-1.jpg a-2.jpg.... I'm looking for app that will let me arrange files in desired order and then print them ...
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43 views

Upgrade user to skip using sudo to write files

I need to run a Capistrano recipe to setup some services so I have to be able to write to /etc/init without prefixing my command with sudo. How can I make an Ubuntu user abel to write to /etc/init ...
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669 views

How to back up Ubuntu 12.04 lts? Must be able to restore in 2 days or less

I run several e-commerce sites off my home server (my own, a family member's, and a customer's). Its an older Dell Dimension 4600 that I have running Ubuntu 12.04 lts. The computer doesn't show any ...
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1answer
81 views

Laptop won't boot without power cable connected

My laptop is an Acer Aspire 5750 that used to run Windows 7 but is now dual-booted with Ubuntu 12.04 (now my predominant OS). Recently an annoying bug developed in that my laptop won't boot without ...
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2k views

How do I recover data from only a single drive in RAID 1 setup on Synology DS214+ NAS?

I'm doing this so I know how to recover my data in case the NAS itself dies out and I'm only left with just a single drive from the 2nd bay (or from the 1st bay). Setup Synology DS214+ NAS 2x 4TB ...
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1answer
53 views

rsync don t work as expected

I have a script which download and compress a folder of a remote server (example: /home). I m trying to make the "restore" script, but I have a strange behavior. restore.sh: ($1 is IP adress, $2 is ...
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102 views

npm can't find colors package on Ubuntu 12.04 LTS

Anytime I try to install 'colors', I get this error: npm http GET http://registry.npmjs.org/colors npm http 200 http://registry.npmjs.org/colors npm ERR! Not a package ...
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25 views

Accidentaly rsync --delete, /usr is affected, any way to check and reinstall missing component?

I was working on a ubuntu 12.04 server, testing to restore a backup (how ironic, I didn t done the "real" backup). Tried a rsync with --delete flag on /, I ctrl+c almost immediately, but rsync ...
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Difference between ubuntu desktop and ubuntu desktop usb

I downloaded mini iso Ubuntu 12.04 "Precise Pangolin" Minimal CD from https://help.ubuntu.com/community/Installation/MinimalCD I try to install on 2 GB free space. I prefer ubuntu desktop but i have ...
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23 views

Mapping domain to webadress

im currently trying to set up an apache client on a ubuntu root server. i have set up the apache and it is running, as i can access the "It works" page while doing it directly with the ip belonging ...
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67 views

USB storage bricked? (0kb on windows AND linux)

Same device as on this question I have a device which has been infected with a malware (the one which transform file to .lnk, windows shortcut). After cleaning, it didn t show on windows, but on ...
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279 views

nginx serve all domains except one

I have a standard nginx installation on ubuntu 12.04. I want only one subdomain to serve. All others should return 404. I have defined two sites: 0-default: server { listen *:80 default_server; ...
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1answer
864 views

Can't login ubuntu 12.04

Today I tried logging in in ubuntu but when I enter my password it keeps going to a black screen with text and then it gets me back to the login screen. When I press ctrl + alt + F1 I can login in ...