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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4
votes
2answers
5k views

terminal: non-english characters

I used to be able to copy&paste (or type if I load respective keyboard layout) any kind of characters (eg. é ö ñ ß و 好) in my console/terminal. Now I bought a new computer and it does not work ...
4
votes
1answer
219 views

equivalent to Ubuntu's apport-bug in Fedora or Mint?

What is the Fedora equivalent to the Ubuntu command apport-bug to submit bug reports? In Ubuntu, one can use: apport-bug <package-name> For example: apport-bug xorg To submit bug reports ...
4
votes
2answers
9k views

Firmware for wireless card on Ubuntu/Debian?

This is a follow up to my previous question about Debian support for Linksys Wusb600n. I have tried running the Ubunut/Xubuntu LiveCDs and the WiFi does not come up. The Gnome Network Manager menu ...
3
votes
1answer
142 views

Ubuntu user disappeared from machine

Unsolved mystery - I was given a coworker's Ubuntu 12.04.1 LTS machine and set up my own (sudo/admin) user on there from the command line. I switched to my user (from his sudo/admin user) and ...
3
votes
1answer
6k views

install firefox in ubuntu-server edition

I have ubuntu server edition installed and I want to install firefox inside it , I don't want full ubuntu-desktop package just a minimal setup which would let me run firefox inside ubuntu-server 10.04 ...
3
votes
1answer
948 views

Under Ubuntu, how do I set a static IP for firewire?

I am using Ubuntu 10.10 on my laptop, which connects to our network wirelessly. Since it sits on my desk next to my desktop, I have a private network between the two using a firewire cable, because ...
2
votes
2answers
148 views

Minimal install of Ubuntu

I'm fairly new to linux but I want to install it on my chromebook with crouton. Is there a way to install something like lubuntu or xubuntu without any of the software normally bundled? For example, I ...
2
votes
0answers
182 views

How to access Win7 on a dual boot machine?

I've been dual booting Win7 and Ubuntu for about 4 months and I got on it today to change the default boot on grub, because my girlfriend kept getting locked out when it reboots and, by default, goes ...
2
votes
2answers
637 views

Do I need a special firewall on a personal computer

I am relatively new to Linux and was wondering about security issues. Most people agree that a virus-scanner is not useful on a linux system, but what about a firewall? I am using Debian wheezy stable ...
2
votes
4answers
413 views

Strange file ownership with Ubuntu

Normally we know when we create one file in Linux, the file's owner and group will set with the creator. For example, I have one user, usera, after I execute usera@srv1:$touch 1.txt I will find the ...
2
votes
2answers
778 views

RAM usage doesn't add up? (Free+used < total)

Lately I've been noticing that my monitoring script which reads from /proc/meminfo and /proc/<pid> has been showing odd readings, where several hundred MB seem to be missing. htop is showing the ...
2
votes
4answers
759 views

Update Linux Path permanently [duplicate]

Possible Duplicate: How do I set a user environment variable? (permanently, not session) How can I permanently modify the PATH variable in Ubuntu? Is it possible to do it without modifying ...
2
votes
2answers
867 views

Why won't my X Server won't start as a regular user?

X won't start on my main machine. I can start it as root, but then it only logs me in as root -- I can't use my regular user account. When I start up, it flashes a black screen, then hangs at ...
2
votes
0answers
934 views

power management of USB-enclosed hard drives [closed]

With a typical USB hard drive enclosure, is the full range of drive power management functionality available? edit: moved this into a separate question: In what may be an unrelated matter: is it ...
1
vote
1answer
871 views

Adding Objective C compiler to GCC 4.7.2

I finished building the GCC 4.7.2 with C, C++ and Go compilers on my Ubuntu 12.04. I now want to add the Objective C compiler, is it possible to add it to the previous build? If so, how should i ...
1
vote
2answers
269 views

Prevent GRUB from showing up by default?

Whenever I boot on Ubuntu, I see the entire GRUB menu by default. Is there a way I could make it simply auto-boot if uninterrupted within X seconds? I remember that this was the case on previous ...
1
vote
1answer
1k views

Debugging Java program for changing timezone configuration file on Ubuntu

Here is a ruby script I wrote to change the timezone configuration on Ubuntu. I run it with jruby (a Ruby interpreter running in a JVM). require 'java' if ARGV.length == 0 puts "Usage: jruby ...
1
vote
1answer
795 views

Why does “xdg-open” fail although “xdg-mime query defaut ” succeeds on Ubuntu 10.10?

On Ubuntu 10.10, xdg-open fails to open the file and give me the error: No application is registered as handling this file But xdg-mime query defaut ... succeeds for the mime type. Why? Here is ...
1
vote
2answers
892 views

restore suse grub

I upgraded my ubuntu and that resulted in its grub loader being used. I have a triboot of windows, ubuntu and suse. I prefer the suse bootloader which I was using before the ubuntu updates. I would ...
0
votes
2answers
131 views

init.d script not being run on boot

My script is not running on boot in a vagrant box under Ubuntu. My script looks like this - #!/bin/bash # /etc/init.d/mailcatcher ### BEGIN INIT INFO # Provides: scriptname # Required-Start: ...
0
votes
1answer
7k views

How to recover the partition table (Windows, Ubuntu) of an unallocated disc?

The following screenshot shows the current state of my hard disc. The unallocated part of the disc used to contain two operating systems: Windows and Ubuntu, in this order. Windows has been ...
0
votes
0answers
233 views

Error while burning DVD

I'm working on Ubuntu 13.04. I purchased a few DVDs of Sony company from a few different shops but it failed to burn all these. Earlier I had used the Sony DVD only to burn the same date & it ...
0
votes
2answers
802 views

Issue with bad sectors on a laptop hard drive

I had Windows installed on my laptop and suddenly one morning Windows couldn't start. Then I tried after formatting and for once it became possible. I also installed Ubuntu as logical drive (deleted ...
0
votes
1answer
379 views

Simple jail for user with open-ssh [duplicate]

Possible Duplicate: Restricting an SSH/SCP/SFTP user to a directory Can I confine my users to their /home/%u directory using simply open-ssh configuration? I did the following from what I ...
-1
votes
2answers
7k views

Problem Windows 8.1 Ubuntu 14.04 dual boot

I installed Ubuntu 14.04 on a computer that has Windows 8.1 preinstalled, following the next link http://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/ Now I can not dual boot. ...
30
votes
8answers
12k views

List explicitly installed packages

In Gentoo there is the file /var/lib/portage/world that contains packages that I explicitly installed. By explicit I mean, packages that I choose, not including anything installed by default, or ...
59
votes
7answers
19k views

What is the Linux equivalent to C:\Program Files?

I understand that in Windows as well as Linux and Unix, a program|application|software can be installed in any directory. Also if packages are installed using the distribution's packaging system, ...
23
votes
6answers
49k views

File permission issues with shared folders under Virtual Box (Ubuntu Guest, Windows Host)

I am using Ubuntu on Virtual Box and I have a folder which is shared between the host (Windows) and the VM (Ubuntu). When I open any file in the share folder in Ubuntu, I can not change it as its ...
8
votes
1answer
27k views

Booting linux from usb using EFI

I need to use a USB drive as an installation media for my Mint and Ubuntu. For that I have unetbootin to make the usb bootable. But my PC only supports EFI boot (while adding the boot device, I need ...
23
votes
3answers
83k views

“Input/output error” when accessing a directory

I want to list and remove the content of a directory on a removable hard drive. But I have experienced "Input/output error": $ rm pic -R rm: cannot remove `pic/60.jpg': Input/output error rm: cannot ...
21
votes
4answers
27k 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 ...
11
votes
3answers
16k views

How to configure external IP addresses for LXC guests?

I'm exploring the LXC features in Ubuntu 12.04 and I really want to set up a network like this: client1: 192.168.56.101/24 lxc-host: 192.168.56.102/24 guest1 192.168.56.201/24 guest2 ...
10
votes
4answers
38k views

How can I look up a username by id in linux?

The command id can be used to look up a user's uid, for example: $ id -u ubuntu 1000 Is there a command to lookup up a username from a uid? I realize this can be done by looking at the /etc/passwd ...
7
votes
5answers
7k views

Dual monitors and panels

I have a question with regard to a multiple monitor setup. I'm currently primarily a Windows user, but I've been running Ubuntu in dual boot to get a feel for it. The one thing I find lacking that ...
16
votes
3answers
2k views

How to prevent shutdown when an SSH user is logged in?

I'm administrating a networked environment and I had an interesting situation arise yesterday. When a host is required to shutdown by a regular user, it refuses to do so if other users are logged in ...
12
votes
1answer
2k views

How do I make my laptop sleep when it reaches some low battery threshold?

I'm using Ubuntu, but I have i3 as my window manager. Under i3, when my battery reaches 0%, the computer will just abruptly shut down, no warning or anything. Is there a simple script or ...
11
votes
6answers
12k views

How can I switch between different audio output hardware using the shell?

I use my laptop with an external monitor which has speakers. When the monitor is attached through HDMI I can switch (using the GUI: Sound Setting --> Hardware) between the normal laptop audio output ...
11
votes
5answers
7k views

Screen turns on automatically (xset dpms force off)

I am using xset dpms force off to manually turn my screen off to save power. However, it turns back on after some time (20 - 40 seconds). Distro: Ubuntu-Lucid Graphics: Intel 4500 MHD ...
25
votes
5answers
19k views

How can I play a sound when script execution is ready?

I am executing every now and then some python scripts which take quite long to execute. I execute them like this: $ time python MyScript.py How can I play a sound as soon as the execution of the ...
13
votes
3answers
10k views

What is the proper way to manage multiple python versions?

I have a machine with Python 2.6 installed as the default Python. Then, I installed Python 2.7, and manually created /usr/bin/python as a symlink to the new installation. Then, I was running into ...
7
votes
2answers
46k views

How to fix boot into initramfs prompt and “mount: can't read '/etc/fstab': No such file or directory” and “No init found”?

Installing a new system using a GPT partitioned disk dedicated to a single partition, ext4 formatted, extlinux (version 4.05) as bootloader, Ubuntu Core version 13.10 amd64 as rootfs, and Ubuntu ...
7
votes
1answer
11k views

~/.xinitrc not being run

I am not able to run my ~/.xinitrc (~/.xsession) scripts when logging into my computer. I'm using Xubuntu 12.10 with vanilla lightgm as the login manager. Both these files have the right permission ...
7
votes
1answer
4k views

How to launch an application with default “terminal emulator” on Ubuntu?

I wanted to execute some command in terminal emulator, like Konsole, but I need to make this cross-desktop. Is there some command like xdg-open, but for getting the default terminal emulator? I'm ...
4
votes
1answer
2k views

qemu - two clients (tap0 & tap1) via br0 can't ping eachother but server pings ok

I've got: A host system running Ubuntu with KVM (functional) Two clients, one Ubuntu and one Windows 7, nothing fancy. I've also setup (see below) a bridge via br0 for the clients: br0: ...
4
votes
1answer
380 views

Problems moving home partition

I was running low in disk space on my Linux box, Ubuntu 10.10 Desktop, (specifically on my /home partition) so I added another disk to it and I am trying to move the home partition into it. I am ...
3
votes
2answers
2k views

best practice to backup config files

I want to setup froxlor on not fresh install remote server (Ubuntu 10.04.2). I take care of admin the server since two month. Before I start, the previous guy installed and config some services and ...
13
votes
3answers
2k views

How can I de-fragment a drive using Ubuntu?

Is it necessary to defrag drives in Ubuntu? If so, how do I do it and how often should it be done?
11
votes
3answers
8k views

Mount a filesystem read-only, and redirect writes to RAM?

Is it possible to mount a loopback file as read-only, and redirect all writes to RAM?
11
votes
5answers
16k views

How do I set up dual monitor wallpaper (Ubuntu/NVIDIA)?

On Ubuntu 10.4 with NVIDIA drivers I have dual monitors setup with TwinView. How do I configure a single wallpaper to span both monitors? Right now the same wallpaper is replicated on both monitors. ...
8
votes
2answers
5k views

Merging two internet connections from two network interfaces in order to obtain double speed

I have two network interfaces (one wired & one wireless). I have two internet accounts too (each 256 kBps; one from a modem that I use as wired connection & the other from a wireless network). ...