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

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Ubuntu not detecting WLAN interface after removing and reconnecting WLAN card

I have a web server running on Ubuntu 12.4. It is connected to Internet through WLAN interface, earlier it was connected and working perfectly and listed as wlan0 under network interfaces. I removed ...
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282 views

Problems in detecting pendrive

I have this problems when I insert my pendrive. It is very slow in detecting it (3.0 and 2.0 port). I'm using uBuntu 12.04.3 x64. It requires me to wait for minutes to finally detect it. Is there any ...
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90 views

When HDD becomes full, how to create a symbolic link to the data store on another disk?

I have a Linux Ubuntu machine which has an X GB hard disk. There is folder, say, /opt/software/data. The disk /dev/sda1 is almost full and I have attached another disk at /dev/sda2 which is mounted at ...
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4answers
525 views

localhost as hostname confusion

I have a basic understanding about hostname and FQDN. Now I am confused, do I really have to specify a name for my hostname? So for example: Hostname: somename Domain: mydomain.com FQDN: ...
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2answers
5k views

how to burn a windows.iso to my USB flashdrive in ubuntu 12.04 LTS

I am using a Dual boot system with windows 7 and Ubuntu 12.04 LTS. My windows recently crashed with the error "BOOTMGR CANNOT LOAD IMAGE CORRUPT" after i installed a mac theme. So now i downloaded ...
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10 views

Bios boot selection remove

BIOS boot selection menu auto comes when kept some script on start-up before login. Adding as per below command. added script in /etc/init.d/. update-rc.d Myscript defaults
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1answer
153 views

How to ssh between a cluster of Vagrant guest VMs

I have 3 Ubuntu 12.04 VMs configured with bridged networking and setup with Vagrant. I can access all of them from the host using "vagrant ssh", but I can't figure out how I connect from one guest VM ...
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384 views

Vagrant does not assign correct gateway

I have created with Vagrant a brand new VM running Ubuntu 12.04 Since I need to access the VM always at the same IP address I have assigned to it a MAC address and set my DHCP in order to assign the ...
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84 views

What are the supported wifi dongles for Ubuntu Precise?

I've been searching for a long time and just get led in confusing directions. Where is a list of support WIFI USB dongles for Ubuntu 12.04 on the Beaglebone Black. I've ordered 2 already and can't ...
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32 views

Configuring Ubuntu 12.04 so that it recognizes the recently installed icc compiler

I have an Ubuntu 12.04. I installed the icc compiler (composer_xe_2013_sp1.0.080) but when I try to compile using it I get the message : icc : command not found. I've read somewhere that when you ...
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28 views

Ubuntu Nautilus not displaying removable disks

One day I messed up with some settings of Nautilus and as a result when ever I insert a pendrive/removable disks it says "No application is registered to open this file type" though the pendrive in ...
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4answers
30k views

Why Virtual Box won't give me option to create 64 bits guests?

My host is x64 bits Windows 8.1. I downloaded the latest Virtual Box (4.3) and I'm trying to create a VM with a 64 bits Ubuntu OS (ubuntu-12.04.3-desktop-amd64). When I go to New VM wizard, it ...
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1answer
367 views

dropboxd Syntax error: “)” unexpected

I am trying to install dropbox(x86_64 version) on Ubuntu 12.04 LTS, with this installation guide: ...
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1answer
85 views

many doubts related to the ldconfig command?

I am pretty new in Linux and I have some doubt related to this operation that I have found into a bash script on which I am working: ldconfig -v >> /dev/null 2>&1 Reading on the man ...
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2answers
140 views

some doubts about chown command in linux?

I am pretty new in Linux and I have a doubt related to the use of the chown command use. If I have something like this: chown -R root:root /usr/share/MyApplicationDirectory What exactly mean? I ...
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126 views

Virtual Box - ubuntu 12.04 -Shared Folders - Host Guest - Ubuntu

I'm using the Ubuntu. I'm using the virtual box. Where the Guest is Ubuntu and the Host is also Ubuntu and I want to share the folders in them. I can do it in Windows OS normally either it as the ...
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1answer
33 views

Can't boot either ubuntu or windows 8

I have dual boot installation of windows 8 and ubuntu. "Sometimes" when I start my laptop, it gets stuck on very first screen (displaying Samsung, Intel, F2 to setup etc). But after a couple of ...
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1answer
159 views

Connect two VirtualBox VMs with a hardware machine with a single public IP

I have a hardware machine running Ubuntu 12.04 and a Selenium server hub connected to the internet through a public IP. On that machine I'm running two VirtualBox VMs running Selenium server nodes and ...
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2answers
2k views

VirtualBox with Ubuntu Server guest can't ping outside

Here's my situation: an Ubuntu 12.04 Host running VirtualBox; two guest VMs running Ubuntu Server 12.04 home network, so my Host pc has a wireless connection to the router of my ISP. My problem is ...
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59 views

Ubuntu touchpad sensitivity issue

My touchpad sensitivity was set too high and I used this answer to solve the problem but numbers change to default ones on every restart. How do I make them stick?
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82 views

Have to run “/etc/init.d/networking restart” every time Ubuntu Server starts to connect to WLAN

I'm running Ubuntu Server 12.4 and I have installed ubuntu-desktop. At first, I tried to connect to WLAN after installing some GUI components but didn't work so I modified /etc/network/interfaces ...
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330 views

Ubuntu 12.04 on VMware Player loses network configuration

I've been having this issue for 2 weeks now with my VMware Player-hosted Ubuntu 12.04. I only use it for my LAMP stack. I've had no issues with it before until about 2 weeks ago when it almost always ...
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1answer
224 views

Compose key confusion concerning 'ç' and 'ć'

I type in both French and Polish and therefore require both the 'ç' and 'ć' characters to be easy to enter. According to compose key documentation I find on the Internet, for example at ...
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147 views

Ubuntu Chrome I cannot resize window

I am using Chrome v. 30 with Ubuntu 12.04 LTS and I've been trying to resize a tab so that I can have two windows open side by side. But there are no maximize minimize buttons or menu item. How do I ...
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772 views

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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206 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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296 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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2answers
71 views

Tool for Identifying preexisting relationships between mysql tables [closed]

I have a database in mysql (with usual ER relationships amongst its tables) to which I am relatively new. Is there some tool which I can use to view the relationship structure between various tables ...
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1answer
12k 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
152 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
970 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
63 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
452 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
264 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
699 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
604 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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58 views

unable to start X using stratx in ubuntu 12.04

When my Ubuntu 12.04 boots up, it boots up in text mode and the command prompt comes. To go to GUI desktop, I type: startx then the colored Desktop comes, but without any icon i.e it is blank, ...
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1answer
212 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
449 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
684 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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2answers
44 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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247 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
175 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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111 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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53 views

Messed up ffmpeg/libav configuration (ubuntu)

I tried to update my ffmpeg version from the default deprecated version to the latest one. I'm now trying to revert my system back. I removed the PPA I used, but I can't seem to revert the packages. ...
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20 views

restoring EXTFS to EXT4

I have Ubuntu Studio EXT4 and MS on the same drive and backed up Ubuntu to a separate drive with Clonzilla. I notice it backed it up as EXTFS and not EXT4. I want to restore US to a new hard drive and ...
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2answers
693 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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292 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
238 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 ...