Ubuntu is a free open source operating system based on the Debian GNU/Linux distribution. Consider using http://askubuntu.com/ to ask questions about it.

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Ubuntu freezes when I plug in external hard drive formatted as exFAT

What can be hanging up my system. I thought I went through the necessary steps to enable mounting of an exFAT-formatted hard drive: # Install fuse-exfat and exfat-utils sudo apt-get update sudo ...
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13 views

Keyboard intermittently stops working on Ubuntu

I am running Ubuntu 12.04.4 LTS on my desktop and my keyboard will occasionally stop responding for a few seconds. It immediately begins about a second or so afterwards, so nothing freezes. Just now I ...
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1answer
16 views

Not able to send mail via Ubuntu VPS

I'm having a Ubuntu VPs with zpanel isntalled on it. There is something wrong going with the mail. Im not not able to receive the mails from my contact form on my wordpress site ( the site is hosted ...
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0answers
6 views

How can I auto mount a CD or DVD to the same location/path every time?

I am running Linux Mint 13 and I am enjoying the convenience of having a CD or DVD automatically mounted after I insert it (to some mysterious place). I have converted this machine to a headless ...
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26 views

Recommendation for a linux virtualization homemade open-source server build [on hold]

I'm looking to built a central virtual server with XenServer for a couple of Debian and Ubuntu server and I was wondering what you guys think of it. What is your recommendation, criticism, et cetera. ...
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2answers
34 views

How to kill all processes returned by pgrep

I need to kill a few Python processes. I can get a list of the process numbers using pgrep python, but how can I kill them all at once instead of killing one by one? I'm looking for something like: ...
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1answer
7 views

Ubuntu LiveUSB not booting in HP laptop

I am using a HP Pavilion laptop pre installed with Windows 8. I am trying to install Ubuntu 13.04 on my laptop using a LiveUSB, which I created in the conventional way given on the Ubuntu official ...
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2answers
21 views

“Install” virtual machine guest os on host os

I have a host OS running Windows 7 and guest OS running Ubuntu on Virtualbox. What if I want to "install" my image of Ubuntu virtual machine as ordinary Ubuntu installation. Is it possible and how?
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3answers
22 views

cd command has stopped working in Ubuntu

After installing gem files on my system, cd command has stopped working and throws the following error when I try to open any dir robus@lucy:~$ cd /starterkit -bash: cd: /starterkit: No such ...
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1answer
300 views

What's the terminal command for auto pressing [Y]?

for ex: if I do like sudo apt-get upgrade Then I might get the y/n question before installing an update. What's the parameter to auto accept it.
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12 views

Is it possible to spawn any kind of terminal on dedicated lan card before entering LVM volume passphrase?

I got IBM x3500 m2 server running Ubuntu server on encrypted LVM volume. This machine has one slower LAN card for service purposes. Is there any way to spawn some kind of console on it BEFORE ...
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1answer
9 views

Undocumented default values for sudoers' env_keep variable

I'm experiencing some strange behaviour. My sudoers file is very short and looks like this : Defaults env_reset Defaults mail_badpass Defaults ...
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1answer
23 views

How do I set a RAID array as a /home mount point on Linux?

I need to create a file server using Ubuntu Server 13.10 with the following specifications: 1 80Gb HDD: grub boot manager System files apache server files 2 identical 1000GB HDDs: RAID 1 array ...
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7 views

Getting “Server unexpectedly closed network connection”

I created VM by using Jclouds API and by giving the public address in putty login into the VM. I tried to install GUI in VM by giving the below command sudo apt-get install ubuntu-desktop It is ...
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2answers
29 views

Just recently change /etc/network/interfaces to static IP, apt-get not working. How to check for errors?

I recently just updated my /etc/network/interfaces file to set a static IP address. Seems other computers can access the computer using the network IP address but I may have broken something - now ...
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1answer
26 views

Unable to connect Ubuntu remote machine

In Ubuntu I've installed Tomcat and deployed the web application. I started tomcat and trying to access from Windows like below http://54.85.125.1:8080/manager Error could not connect to ...
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0answers
10 views

Grub4Dos and /boot/bcd error

I am running Ubuntu 13.04 on my laptop (SSD drive) and recently bought another HDD (second drive) installed in place of CD-ROM. What I want to achieve, is to have Ubuntu as primary OS and ability to ...
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1answer
17 views

find . file -/+ size except *.filetype

Alright what I am looking for is a way to do something that can find all files less than size except filenames with an extension or more. May be more than one. find . -type f -size -20M -name /! ...
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1answer
23 views

Install Ubuntu server on one computer, then soon as possible control it (via terminal) through another

I tried to set up a home network the other day, and wanted to set my old computer up as a file server. So, I installed ubuntu server on it. Once installed and logged in, I realsied that some of the ...
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1answer
23 views

How do I remove the old versions of the linux kernel shown in grub boot loader

I am using Ubuntu. I have Linux kernel 3.8.0-35-generic, 2.6.34.14 and 2.6.34.14. I want to delete the 2.6 versions from my system, because 2.6 won't even load when i select them in grub boot loader. ...
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0answers
8 views

VIDIOC_STREAMON: Invalid argument

I am working on a project using opencv to capture and analyse video. If the program crashes at any point while capturing webcam images, I would get the following error on the next run: ...
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2answers
64 views

How to know if you are using Ubuntu or Debian? [duplicate]

I know Ubuntu is based on Debian but I would like to find out if I am running debian or ubuntu. Uname: uname -a Result:Linux test 2.6.18.8-x86_64-linode10 #1 SMP Tue Nov 10 16:29:17 UTC 2009 ...
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1answer
14 views

Create an ISO image from a virtual device image

Oracle VM -> ISO I am using Oracles VM VirtualBox to good effect and have created several ubuntu machines created from an ISO image. My question is that I now want to go from a VM machine to a real ...
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0answers
27 views

IDE for Bash shell scripting on Ubuntu?

I'm probably looking for the Holy Grail here, but I figured I'd ask. Is there an IDE for Bash shell scripting on Ubuntu (Ubuntu 12.04 in my case)? Something with a code editor that lets you set ...
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1answer
25 views

How to install i386 package under amd64 ubuntu/debian

All existing answers I found are for the pre-multiarch era (chroot) https://help.ubuntu.com/community/MultiArch says it is OK to install i386 package on amd64 under the multiarch environment, but ...
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1answer
16 views

Why I can't see Ubuntu restricted packages

I don't know what else restricted packages are there, but I'm looking for the sl-modem-daemon package, which according to ...
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0answers
9 views

Upgrading from OpenGL 3.0 to 3.3+ on Ubuntu Linux

I recently made the switch from Windows to Ubuntu (because I am becoming more of a game developer than a game player), but quickly found out that my OpenGL version was downgraded because of the ...
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0answers
8 views

My PC (w/ Windows & Ubuntu) not responding to keyboard and mouse input

I have an old Acer Aspire 3100 running Windows Vista. I have put Ubuntu on a Live CD (actually a DVD R). When I boot into Windows, I get no keyboard and mouse input in Windows (Windows doesn't even ...
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2answers
23 views

Problems Installing from Windows 7 USB

I asked this question at askubuntu and they directed me here. Just like this mans problem: http://askubuntu.com/questions/396578/why-cant-i-boot-from-my-windows-7-usb-device-usb-install Originally ...
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1answer
19 views

Booting PC that won't boot Windows w/ Linux

My old laptop, an Acer Aspire running Windows Vista Basic Edition, will not boot up. When I power it on, I see a blank black screen 90% of the time (but it 'lights up' if you know what I mean, the ...
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1answer
27 views

Why has Ubuntu minor version number 04 or 10 only?

Why if an Ubuntu with a new major version is to be released the minor version is automatically 04 (and 10) for updates?
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1answer
40 views

Ubuntu root permission denied

I am trying to setup a Ubuntu 12.04 LTS with chef. I am getting this error, which I'm assuming is related to my user permissions: Chef Client failed. 3 resources updated in 5.613887095 seconds ...
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19 views

Move a dir which contains compiled apps

I want to move a dir e.g. file_download to myappDir. I know I can do this via mvcommand. The main problem I have are compiled apps within my dir file_download. And after compile has been finished I ...
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4answers
173 views

apt-get upgrade openssl won't bring Ubuntu 12.04 to latest version

I've tried the following, but I can't get a build date later than: Tue, Aug 21 05:18:46 UTC 2012 I have done the following: apt-get dist-upgrade apt-get update apt-get upgrade openssl and ...
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0answers
9 views

Trying to move the MySQL data directory on Ubuntu 12.04

OS: Ubuntu 12.04 I am trying to move the mysql data directory and log files to separate mounts to make it easier to swap out drives when needed in the future. ##Moving the MySQL data directory sudo ...
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1answer
19 views

Securely erase Intel SSD using Live Boot CD

So I am selling on a computer and wish to securely erase the HDD. I've booted into a Live CD (Ubuntu) and run the following commands: sudo hdparm --security-set-pass NULL /dev/sda and sudo hdparm ...
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1answer
14 views

Ubuntu Shortcut Menu opening spontaneously

About two days ago the shortcut menu started opening spontaneously and wont close for more than 2 seconds, making it impossible to type anything since most keys start working as shortcuts and others ...
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2answers
31 views

Unable to boot Windows 8 after an interrupted Ubuntu installation attempt

I have a Sony Vaio notebook with Windows 8(UEFI) installed,after trying to install Ubuntu 12.04 LTS(I cancelled the installation and restarted the pc) from a usb sticky,every time i turn on the ...
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1answer
11 views

Hot to setup 2 network adapters on ubuntu with vmware

I've have an idea of following configuration: Image 1: Ubuntu with GUI in LAN segment, static configuration Image 2: Server-Ubuntu in the same LAN segment, plus second network adapter in NAT-Mode to ...
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1answer
21 views

uninstall libc6 package by dpkg

I have install "libc6_2.17-0ubuntu5.1_amd64.deb" on my ubuntu server 12.04. The orginal libc6 on system is 2.15. After install the package, I check it by: ldd --version it shows: ldd (Ubuntu ...
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0answers
19 views

Triple Boot With Ubuntu, Windows 7 and Kali Linux

I have a problem with installing Kali Linux as the third OS in my computer. When I try to boot from the installation CD, I am normally redirected to Graphical install but in my case the disk doesn't ...
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0answers
13 views

how to make external disk mounted executable?

I'm new to Linux and running on Ubuntu 12.04. I have a windows partition mounted to it but the problem is I can't run executable files (I can't use ./ on a file in that partition). How do I correct ...
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2answers
27 views

How to completely shut MySQL server down on Ubuntu server

I had mysql server running. I stopped it, and removed it (apt-get remove mysql-server mysql-client) I then manually removed the directories: /var/lib/mysql /var/run/mysqld I rebooted. But when I ...
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0answers
43 views

How to run Hitleap Viewer on Ubuntu VPS?

I want to run hitleap viewer on Ubuntu VPS. Someone please explain it step by step.
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2answers
28 views

Difference between apt-get and dpkg

What is the difference between these two? Also why if I do apt-get purge XY I still see XY when I invoke dpkg -l ?
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1answer
25 views

Loading speedbar on emacs startup

I use emacs 23.3.1 on ubuntu 12.04. I installed speedbar on it. The emacs init file looks like this : ;;; Emacs Load Path (setq load-path (cons "~/emacs-config" load-path)) ;; speedbar in the ...
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1answer
28 views

Make an existing VM immutable

With XP security support coming to an end, but needing to use some software that will only run under XP (and some other software that just needs windows) I'd like to make my XP VM a bit more secure. ...
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0answers
11 views

Ubuntu GUI slows to a crawl when doing CPU heavy stuff

For a clients site we have an Ant-build that is highly parallelized. The build consists of multiple GWT modules that are all quite heavy and built in parallel. The build takes about 5 minutes or so. ...
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0answers
23 views

How to execute command(s) after restarting an Ubuntu system?

I am running a Ubuntu 12.04 server and I want the root user to automatically start a number of tasks (realized using Makefile and Java) each time after the system has finished booting. How do I tell ...
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17 views

Recompiling a python program doesn't produce executable

Today I installed Mathics from their github repository: $ git clone https://github.com/poeschko/Mathics.git $ sudo python setup.py install And then I decided to modify the source a little bit and ...