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

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Cannot adjust screen brightness (Samsung Laptop on Ubuntu)

None of the answers in this same question worked for me. Does anyone have another solution? The problem is that in reboot screen goes back to 100 per cent bright.
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257 views

Unable to commit file through svn, server sent truncated HTTP response body

I have my own VPS, on which I want to run a simple SVN + chiliproject setup. I have re-installed SVN, CHILI and the OS several times, and it always works for a couple of hours/days and then it just ...
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2answers
888 views

How do I burn ubuntu iso image to DVD on Windows 7

I downloaded ubuntu 12.04 LTS from this site, and I am trying to follow the instructions about how to burn the iso image to DVD according to this page but I don't see the image on desktop as shown on ...
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1answer
13k views

Upgrading from ubuntu 12.04 to ubuntu 13.10

I have currently ubuntu 12.04 installed on my system, and I want to upgrade to Ubuntu 13.10. I have downloaded the ISO file, How can I do it?
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1answer
215 views

redirecting traffic from a network interface to dansguardian

I have setup a Squid + Dansguardian parental control at home. I connected a WIFI router to the Ubuntu machine and share that network for my kids' mobile devices. The parental control works fine on the ...
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2answers
5k views

Unable to update Google Chrome stable on Ubuntu LTS 12.04

When attempting to run sudo apt-get install google-chrome-stable, I'm presented with the following message The following packages have unmet dependencies: google-chrome-stable : Depends: lib32gcc1 ...
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1answer
2k views

sudo: must be setuid root

I rented a server (ubuntu 12.04). They gave me a root user account. Next, I went in and created a new user using: # adduser <newusername> And added a password. The new user account works ...
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2answers
78 views

command for spliting a chapter from a book in pdf format

I want to split from page 365 to 432 ( a chapter) from my Calculus (27 mb) book and send it to some one as a single pdf file. What command I should write in Terminal to split ? I am using ubuntu ...
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1answer
860 views

External Hard Disk Connectivity in Ubuntu

I have connected an external hard disk to an Ubuntu Desktop instance running on VMware workstation on my Win 7. I connected the hard disk using the VM -> Removable Devices and connected the hard ...
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1answer
493 views

Cannot remove nor reinstall Virtualbox on linux

I've have tried: apt-get update && apt-get upgrade Also apt-get clean And I still get output below: $ sudo apt-get -f install Reading package lists... Done Building dependency tree ...
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1answer
742 views

Mail server configuration on Ubuntu 12.04

This is kind of a basic question and it might sound stupid but I am new to this whole mail server thing and I am trying to learn how to setup one. I have a VPS server which runs Ubuntu 12.04 ...
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1answer
1k views

Permission denied when setting values in sysctl on Ubuntu 12.04

I am trying to configure my Ubuntu 12.04 VPS (OpenVZ) to reboot when it runs out of memory. To do this I have added following lines to my "/etc/sysctl.conf" file. vm.panic_on_oom = 1 kernel.panic = ...
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1answer
227 views

Adding a custom SSH port to Ubuntu 12.04 LTS through UFW

I am trying to configure a Ubuntu 12.04 based VPS and I have changed my ssh port from 22 to 803 and everything worked fine. After this I've installed UFW and now I can't login using SSH. Before I ...
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1answer
1k views

setting up wifi for static ip on ubuntu 12.04

I want to setup dhcp and static IP I have 2 lan card, Ubuntu 12.04 and it is a laptop the wireless interface I want to give a static IP and lan to have a dynamic ip how should I go about making ...
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1answer
844 views

Ubuntu says Unable to Locate Package (no not the common issue)

I tried to install some third party packages by following instructions on this URL. After doing the following, I started to get the error "Unable to locate the package" root@ubuntu:/# cd /root/ ...
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3answers
54 views

Having difficulties getting my vhosts to work properly

I have my URL (example.com:8010) pointing to my server, which works and goes to the /var/www directory properly. I created another vhost file to go to the test directory but when I type the URL for ...
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295 views

screen flickering intel 4000 HD on ubuntu 12.04 on full screen

Specs: Ubuntu 12.04 - 64 bit intel 4000 HD 8GB RAM I've installed the latest intel drivers from ppa packages: ubuntu-x-swat The problem is that when I play a game in full screen mode, the screen ...
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1answer
254 views

Installation VT220 terminal in Ubuntu

I want to know how to connect a Digital VT220 terminal to PC-Linux with Ubuntu 12.04 using a serial-USB device. At the moment I did next steps: sudo vi ttyS1.conf (at /etc/init) # ttyS1 - getty ...
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124 views

Adding 25 (student) users to Linux system (Ubuntu 12.04 LTS) VM

I would like to set up 25 student accounts on a Unbuntu 12.04 LTS VM that I have provisioned via Windows Azure for teaching purposes. Can anyone point me toward some scripts that would automate this ...
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2answers
861 views

can't find a mp3 codec on ubuntu

Trying to convert an audio CD to mp3. ubuntu says ffmpeg is deprecated and I should use avconv Here are the codecs after i installed all I could find in aptitude for libav that provided codecs. ...
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2answers
408 views

Skype mutes all other sounds [Ubuntu 12.04 LTS]

When I start up Skype, my audio is fine. But once a sound comes out of skype, all other sounds get muted. Skype isn't playing a sound or anything. It just mutes all other sounds until I restart. HP ...
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2answers
451 views

How can completely back up my linux computer so that it can be fully restored easily?

I want to be able to blindly back up my entire hard disk, so that I can blindly and automatically restore in case there is any problem. I am not interested in merely backing up data, but specifically ...
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1answer
633 views

How do I use my Ubuntu laptop as a wireless access point?

Main Problem I want to siphon the Internet access from my Ubuntu 12.04 LTS laptop to my old Windows ME desktop for learning purposes. I have 2 Ethernet cables and a switch with no access to configure ...
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1answer
763 views

python2.7-dev unmet dependencies on Ubuntu 12.04

I installed python2.7 on Ubuntu Lucid a couple of months ago through a PPA. Everything went fine and there was no problem. Yesterday, I upgraded from lucid to Ubuntu Precise and the upgrade went ...
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1answer
540 views

Configuring port forwarding with a Belkin router and Westell modem

Okay, so I know that these kind of questions are pretty popular on StackExchange, but please hear me out. I have a belkin router, model F9K1102 v1. I also have a Westell Dual Connection modem, model ...
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1answer
136 views

Is it safe to unplug, without first unmounting, a USB drive that was mounted as read only?

I'm using Ubuntu Server 12.04.3 and usbmount for auto-mounting USB pen drives as read-only. Also, in this particular scenario, is it possible (and proper) to automatically perform the unmount action ...
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3answers
688 views

How to get files off broken Windows 7 machine onto Ubuntu 12.04 (desktop) machine?

My wife has (had) a Windows 7 laptop (Toshiba Satellite with SATA HD), and last night one of our dogs jumped on it and completely broke the LCD screen. She needs to get some files off of the hard ...
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416 views

DKMS failing to complete in Ubuntu 12.04

After my last attempt to run an update with sudo apt-get update; sudo apt-get upgrade I got into a never returning update step (see below). So far I can only Ctrl+C but it will be triggered again ...
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1answer
2k views

VirtualBox Ubuntu VM doesn't automatically sync time with host even with Guest Additions installed

I'm running a Ubuntu VM with VirtualBox and I have both the dkms and virtualbox-guest-additions packages installed. I read in this answer that the system clock should sync with the host automatically ...
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104 views

Unable to find files downloaded in Ubuntu

I am using Uuntu 12.04. By Wubi. I have faced two issues: 1) I downloaded .iso file of Ubuntu 12.04 from Mozilla and gave download path in Windows partition. But I cannot find the files downloaded. ...
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394 views

Trouble booting from usb (Compaq dc7600 Small Form Factor)

I have been trying over the last few days to boot from a bootable usb pen drive on my Compaq dc7600 Small Form Factor desktop PC so I can dual-boot, but to no avail. The pen drive contains Ubuntu ...
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4answers
2k views

Apache2 virtual hosts not working

Running Ubuntu 12.04 LTS, Apache2.2.22. Running this on a home server through one IP. Problem running virtual hosts. I have a domain name registered with godaddy. lets say mysite.com, goal is to have ...
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4k views

How to force Firefox to load Google in non-HTTPS

When I type http://www.google.co.uk in the URL bar Firefox rewrites it as https://www.google.co.uk. This is a problem for me as HTTPS is blocked on my network for content filtering purposes. Until a ...
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1answer
767 views

Hide windows 7 partition from Ubuntu 12.04 USB

I am so hopelessly tired of following posts on all forums regarding my issue. I only want my windows 7 partition to be invisible from my Ubuntu 12.04 which I install and run from a USB flash drive. I ...
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2answers
1k views

Getting data from linux partition on SATA drive from Windows or Linux

My laptop became unbootable today. Something popped when I plugged the power supply in and it wouldn't boot. Anyway, I took it to a hardware specialist shop to get them to open up the laptop and fetch ...
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2answers
138 views

How do I download Chromiun

I keep getting this popup from sudo and the store. steve@ubuntu:~$ sudo apt-get install chromium-browser Reading package lists... Done Building dependency tree Reading state information... ...
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4answers
376 views

How to revert to default google search from google.com/cse?

I have a problem with Google search in both Chrome and Firefox, when I type a search query, it will search at http://www.google.com/cse? rather than at https://www.google.com/#q= or at ...
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1answer
153 views

Stuck in a while-loop in GNU/SU (seismic unix)

I'm new to programming. I have this loop (it's part of a data processing script) and I have it all good until this section cause I can't figure out why it stay looping in the second 'while' Take a ...
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1answer
580 views

jenkins installation on Ubuntu 12.04.3 LTS — running into problems

$ sudo apt-get install jenkins Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: ...
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1answer
80 views

Byobu custom widget messes up my status bar

I wrote a very small byobu widget, put it in ~/.byobu/bin/, named it correctly (e.g. 60_widget.py); I opened Byobu, pressed F9, enabled the "custom" status notification and saved it. Now the widget ...
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1answer
782 views

Ubuntu is runnung in low graphic mode after installing ATI driver

I installed ATI driver and I am getting the error of running in low graphic mode. I needed to install the driver because every time I updated and upgraded Ubuntu, right after installing the packages ...
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1answer
389 views

Why aren't these ACLs working?

I'm trying to set ACLs so that the user and group of new files and directories created in the web server directory are owned by the www-data user. I have the exact same ACL on another server and they ...
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1answer
3k views

Webcam not working with Ubuntu 12.04.2 LTS 64-bit

I have installed Cheese Webcam Booth from ubuntu software center but my when I run this software I am getting following message/error. "No device found" I also installed Camorama Webcam viewer but ...
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1answer
83 views

Difference between 'du' and 'du -b'?

root@host:/var/log/apache2# du access.log -bh 753M access.log root@host:/var/log/apache2# du access.log -h 1.2G access.log Why is there such a huge difference in size for the same file?
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1answer
245 views

Ubuntu 12.04 Issue with Multi-Drive USB Enclosure

I have an Addonics multi-drive enclosure using an AD5HPMREU controller to connect it via USB to a server, which is running Ubuntu 12.04. This very same enclosure, with the same cable, connects ...
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326 views

HTTP-Error 500 in Openmeetings

I installed OpenMeetings on Ubuntu Server 12.04.1. And everything was working fine until I came across the File Upload. I tried to Upload some pdf files for Testing. But after selection when I tried ...
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5answers
943 views

install ubuntu on my windows 8 laptop

Is it possible to install ubuntu on my windows 8 laptop? dual boot is fine if it is doable This is my laptop environment. UPDATE: I ended with installing vmware player It works great for me. I ...
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330 views

MySQL Uninstall Corruption

My socket file went missing from /var/run/mysqld/ directory so I thought of reinstalling the whole thing. I did apt-get remove --purge mysql-client mysql-client-5.5 mysql-client-core-5.5 ...
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1answer
1k views

Any modules to handle HTTP OPTIONS requests in nginx?

I'm using nginx on Ubuntu 12.04, is there any module I can install via the Package Manager to make nginx magically support HTTP OPTIONS header requests instead of returning HTTP 405? I'd like to avoid ...
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1answer
571 views

Unable to install ruby on ubuntu 12.04

Hi i want to install ruby on my Ubuntu 12.04. I tried it with following command sudo apt-get install curl but it gives me following error. The hostname -f command returned: $1 Your system needs to ...