Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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2
votes
2answers
6k views

I can't install new packages and can't update and upgrade

I'm trying to install some program on Ubuntu, but when I try it I got the following error.- E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock ...
0
votes
0answers
8 views

What could be the output of command `lsblk -f -r | grep ' /' | grep -v ' /boot'` on encrypted drives?

Suppose we have drives which are encrypted, what could be the output of following command in Debian based (specially Ubuntu OS)? lsblk -f -r | grep ' /' | grep -v ' /boot'
1
vote
1answer
16 views

What are the deb files for installing a kernel for?

When installing a kernel in Ubuntu(e.g. http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-vivid/), what are the files for respectively: linux-headers-4.0.0-xxx_all.deb ...
0
votes
1answer
24 views

What should I do so Ubuntu finds a new application when pressing Alt+F2?

I've got a new machine running Ubuntu 14.4 today, and I installed Eclipse by downloading and unzipping it. Now I would like to be able to: run the command eclipse in the terminal to open Eclipse; ...
3
votes
1answer
39 views

Prevent Language selection at ubuntu installation

I would like to make a completely unattended installation of Ubuntu Server 14.04 from an USB drive where I extracted the ubuntu-14.04.2-server.iso In /syslinux/txt.cfg of the USB drive, I added the ...
0
votes
0answers
16 views

Symbolic link not allowed apache 2.4 chiliproject

Few hours ago I upgraded ubuntu 13.10 to 14.04 LTS. I have 1 problem with chiliproject application wich running on Rails. I got error 403 when I'm trying to access my chiliproject application. In ...
0
votes
1answer
8 views

Setting ServerName to suppress Apache warning message with multiple domains

When I restart/reload/whatever apache2 (2.4) on Ubuntu Server 14.10, I get the error message that the server could not determine the FQDN. I had this set previously, no big deal, but I now have two ...
2
votes
1answer
184 views

Installing MongoDB in Ubuntu LXC Container. Fails with 'invoke-rc.d: initscript mongod, action “start” failed.'

I can't manage to install mongodb in a Ubuntu LXC container. I've set-up the Ubuntu 14.10 host by following these instructions: https://linuxcontainers.org/lxc/getting-started/ lxc-create --version ...
0
votes
2answers
845 views

Linux Permissions vsftpd

I have mybb installed and running in /var/www/forums. I have two users part of the www group, logan and www-data. I have the recursive permissions of forums directory set to: chmod -R 755 forums ...
1
vote
0answers
12 views

grub-mkconfig generates duplicate entries for an Ubuntu/Gentoo dual boot setup

I'm currently running Ubuntu (Xubuntu, specifically) as the primary OS on one of my systems. I've been building up a Gentoo installation on a new logical volume on the same system and I'm at the point ...
2
votes
1answer
53 views
+100

Avoid -dbg_version packages on apt-cacher-ng server

Intro: We have created a apt-cacher-ng server to provide cached packages to our users that have Ubuntu 14.04 installed. Combined with the cached packages, we are doing a weekly "mirror" of some Ubuntu ...
7
votes
2answers
143 views

Ubuntu - No space left on device (NTFS)

I have a server which stores a lot of data, I keep many nested directories with millions of files in them. While trying to move one big directory (~700GB) from one disk to another I get an error: mv ...
0
votes
1answer
491 views

dota 2 graphics problem in ubuntu 14.04

i installed ubuntu 14.04 in my laptop. then i installed steam and finally dota 2. but the graphics are very bad. i have amd raedon 7400 in my laptop. it seems like dota 2 is not running through my ...
0
votes
1answer
8 views

how to properly configure samba access using groups

I am having trouble trying to get a specific group to access samba server through windows. is it possible to allow certain groups to the file sharing server? example, I have a group called ...
1
vote
1answer
27 views

Debhelper recursive dependency

Unfortunately, debhelper has a recursive dependency. When I try to install with apt-get source --compile debhelper, it says: Reading package lists... Done Building dependency tree Reading ...
1
vote
1answer
9 views

How to have tmux on startup for both OSX and Ubuntu (including Quake)

I recently updated my Ubuntu 14 system and the update has made it impossible to have tmux started up automatically. In fact the previous setting made it impossible to log into my Ubuntu account(!), ...
3
votes
3answers
158 views

Starting a process from one terminal from another terminal

I was wondering of there is any method to start a new process or a program from one terminal into other. What I mean is: Let's say I have to run gedit abc.txt, but I don't want it to block my current ...
2
votes
2answers
22 views

How to extend filesystem partition on Ubuntu VM?

I'm running Ubuntu Desktop 14.04 as a VM on a mac with vmware fusion. I'm getting space warning issues and now want to expand from 20GB to 200GB. I powered off the VM and on the vmware side ...
0
votes
2answers
33 views

why can't we install application compiled for Ubuntu, on Linux mint, or some other distros with same kernel?

When i try to download some applications like VLC, it shows in download options, various Operating systems which includes Linux mint, Ubuntu etc. Though Linux mint's kernel is from Ubuntu, still they ...
1
vote
1answer
43 views

Configure Ubuntu to always start with terminal & Xload open?

Does anyone know how to configure Ubuntu 14.04 so that when it starts up I have a terminal window open (at my specified x,y coordinates and specified width and height), and the Xload application also ...
4
votes
2answers
84 views

xmodmap keybindings don't work

I am trying to use Xmodmap to add some german diareses/umlauts to my keyboard, but Xmodmap is not working with them (but is with other remappings). I am following this guide: German Umlauts on US ...
1
vote
1answer
22 views

Multiple RSA server certificates not allowed

I purchased a multidomain certificate, and I was trying to install it on my server. I put the following information inside the virtual host for one of my sites: <VirtualHost *:443> ... ...
0
votes
2answers
895 views

Linux Ubuntu / Mint Live CD user-home customization

I'm trying to customize Linux Mint Live CD with these instruction (uck doesn't work for me). What I want is to have more icons at its Live CD user (/home/mint/Desktop) but I can't find /home/mint on ...
0
votes
0answers
14 views

Create user, directory, vhost, and mysql user faster? [on hold]

I host a lot of my client websites on my dedicated Ubuntu Server (14.12). I really need a faster way to create a directory for a new client then manually creating the user, the mysql user, assign the ...
9
votes
5answers
730 views

What should I expect if I switch from Ubuntu to openSuse

As probably most of you I have been long using Ubuntu. I'm not an expert, but I have been using different distros until I settled with Ubuntu. I started using SuSE 5.x, Conectiva (that later became ...
0
votes
3answers
2k views

What would be the RHEL package corresponding to build-essential in Ubuntu?

I know how to list available packages from the repos and so on, but how can I find a list that matches up equivalent meta-packages, such as the build-essential. Is there such a thing and if not what ...
1
vote
3answers
4k views

How to repair Ubuntu after upgrade? (from recovery mode)

I have gone through countless threads on the following error and none have helped. Your screen, graphics card, and input device settings could not be detected correctly. You will need to configure ...
1
vote
1answer
463 views

No ttyUSB when connecting USB-RS485 to Beaglebone Black

I'm trying to connect a externally powered board to control the motors of a robot to my BeagleBone Black. I'm using ssh over USB(the mini-usb) to control the Beaglebone from my laptop. The BBB is ...
3
votes
1answer
2k views

Sound volume control does not work in Ubuntu

My sound volume control does not work when I'm logged in with my regular user, though the sound works correctly. What's weirder is that the sound control works when I'm logged in as guest. With my ...
0
votes
1answer
35 views

Unison on Ubuntu 14.04

Very simple task at hand here: using unison in a star topology in order to synchronize /home folders across multiple servers. So, for ~/.unison/default.prf on each box... Hub: root = root = ...
0
votes
1answer
59 views

btrfs: mounting a subvolume in a different path does not work - No such file or directory

I want to mount the subvolume in a different directory on the @ subvolume... should be possible or did I miss something? # btrfs subvolume create /foo # mkdir -p /mnt/storage1/foo # mount -t btrfs ...
0
votes
0answers
12 views

Backbox Update jacks up Ruby / Gems [on hold]

If you are like me, you updated your backbox ISO as soon as you installed... and then were met with errors. If you haven't updated... do this first. sudo apt-get update sudo apt-get install ruby2.1 ...
2
votes
1answer
32 views

Installing Linux with USB on Mac

I am trying to get Ubuntu (version 14 I believe. It's the latest version) installed on my Macbook Pro (Late 2013 edition 13 inch, no disk drive in it) via a USB Flashdrive. I have followed every ...
-1
votes
0answers
36 views

Bash read user input and then call for a curl [duplicate]

I'm trying to execute a bash script that accepts user input and then according to that user input executes a curl request, the user input includes the query string that should be called using curl. ...
0
votes
1answer
23 views

Hide curl output [duplicate]

I'm making a curl request where it displays an html output in the console like this <b>Warning</b>: Cannot modify header information - headers already sent by (output started at ...
19
votes
4answers
25k views

How can I update to a newer version of Git using apt-get?

I've just set up a new machine with Ubuntu Oneiric 11.10 and then run apt-get update apt-get upgrade apt-get install git Now if I run git --version it tells me I have git version 1.7.5.4 but on my ...
1
vote
1answer
32 views

Unable to access another server over local network on Digital Ocean

I have two servers. Let's call them A and B. Both are running ubuntu server 14.04. B runs percona server. Now I do not have any firewall set-up on either servers still I am unable to connect to server ...
1
vote
0answers
28 views

How to prepare an external disk for dual-booting, using Linux [closed]

I'm running Lubuntu 14.04.1 on a Toshiba Satellite L505. I've completely erased Windows from it and this is the only OS on the machine. I did this a few days ago and am pretty new to Linux (but I'm ...
1
vote
0answers
18 views

Run ssh-agent 24/7 using keychain?

I have a Node.js script that requires ssh-agent to be running 24/7 on my Ubuntu server. I installed keychain and put eval 'keychain --eval id_rsa into my ~/.bash_profile, but that only runs when I ssh ...
4
votes
1answer
941 views

Powertop doesn't display Power est. column

When I run powertop, it doesn't display the "Power Est." column that shows the estimated power consumption in Watts of each row. It should look like in the screen capture here: MacBook Pro Retina: ...
6
votes
3answers
2k views

Send command to detached screen and get the output

I've been searching to find a way to send a command to a detached screen session. So far, so good. This is what I've come up with: $ screen -S test -p 0 -X stuff 'command\n' This command works as ...
11
votes
4answers
20k views

Ubuntu 12.04 hotspot wifi network not visible to Android 4.1.2

I'm running Ubuntu 12.04 LTS on my notebook, and I've got a Motorola Razr which I updated to Android 4.1.2. Before updating, I connected my smartphone to my hotspot wifi very quickly, but after the ...
0
votes
1answer
652 views

How to troubleshoot and fix Wifi driver on Wandboard DUAL?

Environment Wandboard DUAL C1 Ubuntu Trusty using these instruction Issue I was able to install Ubuntu Trusty and I am failing to get the Wifi driver to work. root@ubuntu-armhf:~# uname -a Linux ...
0
votes
1answer
21 views

How to force nm-tool to update its DNS servers

Using Ubuntu 14.04LTS and having a problem with changing DNS. I can change servers in the /etc/resoolvconf/resolv.conf.d/base and head files and restart resolvconf using sudo resolvconf -u and it will ...
1
vote
0answers
20 views

Ubuntu on dell chomebook 11 crash on install*

I recently got a dell chromebook 11. I promptly installed crouton. then croutons had sound errors so I uninstalled it and decided on chrubuntu. It worked until it a lot crashed as Well. Finally I ...
13
votes
6answers
2k views

Is there a root password on OS X and Ubuntu?

When you setup a new Ubuntu or OS X installation a user is generally created for you. On OS X it is whatever username you pick. On Ubuntu (the server version) usually the ubuntu user is created. The ...
1
vote
1answer
4k views

How to install ap-hotspot

I can't seem to install ap-hotspot on ubuntu 12.04. I read somewhere that I should run the following commands: $ sudo su - # add-apt-repository ppa:nilarimogard/webupd8 # aptitude update # aptitude ...
-3
votes
0answers
35 views

Ubuntu or Debian for a server? [closed]

Can someone provide a good answer including some tech differences, some pros and cons for each distribution? I want to make the right choice and choose the right distro for my needs (running a cluster ...
2
votes
2answers
32 views

kernel compilation in ubuntu, reboot msg “gave up waiting for root device”

I was trying to compile Linux kernel from source file i.e. 3.19.3 kernel version I ran the following commands for compilation first I extracted tar -xvf linux-3.19.3.tar.xz changed to its ...
1
vote
1answer
3k views

minicom showing offline

I am trying to use minicom in Ubuntu. To do this I first connect my USB to DB9 converter, then I type this command on terminal dmesg | grep tty to check if my USB to DB9 converter is connected ...