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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58
votes
3answers
34k views

How can I launch the GNOME image viewer from the terminal?

It's the default image viewer for Ubuntu, and apparently it's called Eye of Gnome. I would like to be able to launch it from the command line, passing it a file name to open.
1
vote
0answers
18 views

GitLab.com times out on Linux

I'm currently using Linux Mint 17 on my laptop and I'm almost unable to work with GitLab. The issue is pretty weird: GitLab.com times out every time I want to save my profile info GitLab.com times ...
0
votes
0answers
28 views

No VGA signal after installing ubuntu server

I installed ubuntu server 14.04.2 couple days ago on an oldish computer (This one). And i was able to install it just fine and the VGA seemed to work after i booted it up for the first time. Now i ...
1
vote
1answer
23 views

Open eclipse with a linux user that doesn't have graphical environment (created from console)

I created an user from console in my Ubuntu Destkop 14.04 LTS, doing this: sudo addgroup hadoop sudo adduser --ingroup hadoop hduser I used that user for doing all sort of stuff, because i'm using ...
0
votes
1answer
11 views

how to add shortcut to ubuntu taskbar

I am using UBUNTU 14.04 with cinnamon desktop. After trying to create a shortcut for a PDF file to Cinnamon's Taskbar, I found maybe I should have searched for a folder containing the Taskbar's ...
0
votes
0answers
5 views

DoveCot users + multiple domains

Hi I am trying to get dovecot to work with multiple domains My /etc/aliases looks like this # See man 5 aliases for format postmaster: root shop: shop ben: ben When I try changing it to ...
0
votes
0answers
20 views

how to fix this related with dual boot, ubuntu and windows 8.1

When I try to run this command C:\WINDOWS\system32>bcdedit /set "{bootmgr}" path\EFI\ubuntu\grubx64.efi I get the following error message: The element data type specified is not recognized, ...
-2
votes
1answer
44 views

Why it is illegal to increase TX-POWER on wireless adapters? [closed]

I own a AWUS036H wireless adapter and I read on many websites that is posible to increase the power of the adapter but it's illegal on some countries (including United States), are there any health ...
1
vote
0answers
16 views

Pear upgrade not working in Ubuntu

When I try to upgrade Pear it shows a message on terminal as follows Will upgrade channel://pear.php.net/xml_util Will upgrade channel://pear.php.net/pear Will upgrade ...
4
votes
3answers
1k views

Disable KDE sounds in GNOME Ubuntu

I use kate (a KDE text editor) under GNOME in Ubuntu. Since Natty upgrade, it plays miscellaneous sounds on error and other notifications. I disabled sound notifications in GNOME, but kate sounds are ...
1
vote
1answer
34 views

How can I make Ubuntu firewall rules ( ufw ) allow all traffic except…?

I'm new using Ubuntu and ufw command to set firewall rules. I have an apache service running and I'm able to deny the access to the root path using apache2.conf. I have another backend app running on ...
0
votes
1answer
2k views

Not able to mount/install vmware tools

I'm using the vmware player 6. I installed Mint 15 Olivia (MATE 64bit), everything is fine...except that I cannot install vmware tools. When I start the vm and click im vmware menu: ...
4
votes
3answers
2k views

3D plotting in Ubuntu

I have Ubuntu 10.10 installed and need to plot 3D graphic. I have installed several free applications available in the repository, like QtiPlot and GNU Octave. I have found out and created the ...
1
vote
0answers
40 views

Simplest way to setup my own remote private git server

First of all, I've read all the git-server-setup documents on the internet, but still, there is one thing missing -- I want to setup a simple GIT server in (Ubuntu) Virtual Machine for myself, not for ...
1
vote
1answer
30 views

How to run a command a command as root on startup (Ubuntu)?

I'd like to run a bunch of commands automatically on boot with root on Ubuntu 12.04 (for instance a mount) I tried to put them in /etc/rc.local but didn't work. Thanks
0
votes
1answer
37 views

Ping / SSH computer via SMB name

At work, I can ping and SSH computers by either their IP or their SMB name. If I try that at home (no, I am not trying to access the office internal network from home), then ping / SSH by IP address ...
0
votes
0answers
10 views

Signature not found in user keyring

I have encrypted /home/username and after some time I changed user password which leads to error on login ""signature not found in user keyring perhaps try the interactive 'ecryptfs-mount-private'". I ...
9
votes
5answers
37k views

VirtualBox/Ubuntu full screen mode resolution

I created an Ubuntu 14.04 desktop VM using VirtualBox, and installed guest additions. By default, at startup, VBox wants to present the guest's GUI in a parrticular size that is smaller than my actual ...
0
votes
1answer
33 views

How to package linux os on a hard disk for another computer?

I want to give my friend a hard disk with a Linux operating system for his/her unused computer. Using unetbootin, I tried to install a bootable iso on my hard disk in one small partition and then I ...
0
votes
2answers
16 views

Visual Studio in Ubuntu Errors

How can I install the latest Visual Studio beta in Ubuntu through wine? It's so frustrating. I just want C# bash scripting. I get many errors. Has anyone had success?
3
votes
1answer
2k views

Differences in nc (netcat) options on Ubuntu vs RedHat

nc -q -1 local host ${PORT} ${CMD} In Ubuntu, nc may be used as above, with the -q option. See manpage. -q after EOF on stdin, wait the specified number of seconds and then quit. If seconds is ...
2
votes
0answers
10 views

Best way to share guest folder with host computer

I am running a Ubuntu VM on my MacOS X (host) using VMWare Fusion. I have found a lot of information about sharing the host partition with the guest VM but not much on sharing the guest ...
0
votes
1answer
24 views

Can't mount VMware tools cdrom in VMware Player

I know this should be easy, but I'm having a hell of a time figuring out where the vmware tools cdrom is (for instance it's not /dev/cdrom) and so I can't figure out how to mount it. I'm on Kali ...
1
vote
1answer
15 views

How can I install GNU Parallel alongside Moreutils on Ubuntu/Debian?

Can I make the package manager resolve the conflict, e.g. by renaming the binary (e.g., parallel -> gparallel) or installing to a different place (e.g., /usr/ -> /usr/local/ )?
1
vote
0answers
57 views

Ubuntu 15.04 HiDPi to Full HD external screen

I just got a Dell XPS 13 2015 and I installed Ubuntu 15.04. Everything is working fine with the exception of using an external display. The resolution on my laptop is 3200x1800, my external screen ...
0
votes
1answer
2k views

How can I show only the current directory after the prompt in Ubuntu 10.04 [duplicate]

I have tried the suggestions here: How to shorten the no of characters display for the current directory in the prompt But adding these lines to the .bashrc file had no effect. Uname -a : ...
2
votes
1answer
17 views

Create Server on VirtualBox visible from outside, host is not behind router

I am trying to create a web server on a Virtual Machine. I would be happy even if I could access it with something like http://xxx.xxx.xxx.xxx:[port_no] Everything is installed but the step of facing ...
3
votes
2answers
4k views

How to release mouse from VirtualBox?

I've got Oracle VirtualBox 4.2.10 installed on Ubuntu 12.04, and with evry virtual machine I create, the "host key", which is supposed to release the mouse doesn't do anything. I've already installed ...
0
votes
1answer
30 views

How can I remove all the customizations imposed by Linux Mint 17.1 on firefox?

I have found two solutions for the same: Downloading and installing .tar.bz2 package (firefox) from mozilla.org (Problem:Package provided is portable and is not installable). Installing firefox from ...
2
votes
2answers
42 views

Iframe on bottom of every page

I am not sure if this is the right place to ask this question, however I can't think of any other place where I can find answer to this. I have noticed, this weird iframe on bottom of quite a few ...
2
votes
2answers
4k views

ipsec configuration problems on Ubuntu. Errors on IP forwarding" connection authorization from Android client

I'm trying to create a L2TP/IPSec PSK VPN from my Android phone to my Ubuntu server on my home network. I am receiving two errors. the first one is a failure checking IP forwarding when I run ipsec ...
0
votes
1answer
184 views

Solarized Dark + Gnome Terminal + Vim + Vim-Airline

I installed the solarized dark theme for gnome terminal using https://github.com/Anthony25/gnome-terminal-colors-solarized and then with Vundle installed ...
2
votes
2answers
3k views

How to enter interactive boot mode on ubuntu linux system

On Ubuntu 10.04, How to enter interactive mode at boot time? Can I choose which driver to be enabled? or which Service to be enabled? System blocked at boot time, and closed screen display -- no ...
1
vote
2answers
45 views

Authentication with ssh and scp works but not WinSCP

I have a Ubuntu server with 3 user accounts (root, user1, user2). user1 has access via WinSCP, scp and ssh. No problems here. Then I've created another user2 but with this user I can't access the ...
0
votes
1answer
32 views

Install grub raid1 & lvm

I have installed an Ubuntu Linux on a machine where there was a RHEL (from Dell) At the end of the installation I got a message that GRUB2 could not be installed. So I booted into a Live Linux (from ...
0
votes
1answer
3k views

setup L2TP on Ubuntu 10.10

I'm following this guide to setup a VPS on my Ubuntu VPS: http://riobard.com/blog/2010-04-30-l2tp-over-ipsec-ubuntu/ My config files are setup as in that guide, openswan version is 2.6.26 I think.. ...
0
votes
1answer
2k views

Ubuntu 14.04 uknown external display low resolution

I have fresh-installed Ubuntu 14.04 over the weekend on my Dell E6520. The nouveau driver didn't allow me to use maximum resolution for my laptop display. Switching to the nvidia (proprietary, tested) ...
2
votes
1answer
13 views

From where does “vagrant up” know which machine to power up

I have machine #1 running fine and vagrantfile is in main folder. Now I want to create a new copy of that machine for testing. So I copy the main folder to main2 and change the vagrantfile with ...
3
votes
2answers
40 views

Why must I use sudo for ssh public key authentication to work?

I cannot ssh from my computer (OS X) to my raspberry pi (ubuntu mate), unless I use sudo. I am using a public/private keypair to authenticate. The appropriate public key is added to the ...
2
votes
1answer
21 views

External hard drive spinning down too early

I have a Mac Mini 2007 running Ubuntu Server 14.04 LTS with an external Hitachi Touro Mobile 3.0 attached. APM is 127 (hdparm -B127) with standby value of 1 hour (hdparm -B242). But the disk is ...
3
votes
3answers
5k views

Ubuntu box keeps dropping wired network connection

good morning all. Odd one for you... I have an Ubuntu box, 11.04 x64, running on a Dual Opteron SFF box (iWill ZMaxDP... pretty old machine). Up until a few weeks ago, it was acting as a Windows ...
0
votes
1answer
19 views

Converting MSSQL Dump to MySQL Dump on Ubuntu

I only have Ubuntu to work with, so Windows programs are not going to work for me. But basically I have both the .bak file and the .sql file from a MSSQL server and I need to import this data into a ...
1
vote
2answers
6k views

XDG_RUNTIME_DIR not set in the environment

I open a terminal and use sudo -s -u mysql. Now when i try to open a file, whose owner is mysql using gedit xyz.err, I get the error : No protocol specified ** (gedit:23076): WARNING **: Could not ...
5
votes
3answers
7k views

Ubuntu's max resolution is 1024x768 (unknown monitor)

I'm running Ubuntu 13.04 and the max resolution it's letting me choose for the monitor I currently have plugged in - a 1280x1024 monitor - is 1024x768. The description for the Monitor is "Unknown". ...
1
vote
0answers
26 views

Syntek 1160 causing crash of VirtualBox

I have a Syntek 1160 based USB dongle to capture feed from a traditional PAL camera. I am able to view and record the feed with VLC or ffmpeg on Linux. Unfortunately for the purpose of my project I am ...
2
votes
1answer
56 views

Why does Skype on Ubuntu need the mysql-common package?

When installing Skype on Ubuntu 15.04 a plethora of other packages is installed, too. Among these is mysql-common which piqued my interest. Can somebody explain what Skype might need that package for? ...
0
votes
1answer
23 views

Route all Ubuntu traffic to Windows 7 Virtualbox with Juniper VPN

I have to use Juniper VPN to connect to my company's VPN. Unfortunately my company doesn't allow connections directly from Ubuntu. So I have a minimal Windows 7 VM in VirtualBox and run Juniper from ...
0
votes
0answers
11 views

Open files in new Sublime window on Ubuntu

I currently switched from gedit to Sublime Text. One thing I liked with gedit, but what is missing in Sublime, is that new files are opened in a new window when the current window is in another ...
2
votes
2answers
34 views

`sudo adduser username admin` leads to `adduser: The group `admin' does not exist.`

I'm trying to add a user to the sudoers file with the simple command sudo adduser username admin but I get adduser: The group 'admin' does not exist. So I checked out the sudoers file (sudo visudo ...
3
votes
2answers
14k views

How to detect FireWire interface and Connected device on it, in Ubuntu 11.04?

I have a FireWire camera LifeSize connected to my PC in the FireWire interface. My PC has miniPCI slot and with external converter its having a FireWire interface. Now its Ubuntu who is not showing me ...