Debian is a community-driven GNU/Linux distribution which provides a large range of packages and supports a large range of architectures. It strongly focuses on free software. It has several derivatives, notably Ubuntu and Linux Mint.

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How do I install free drivers on a debian system?

I did a text mode install on trisquel which is a debian based system. I'm not sure why but when using the live cd (of trisquel), ubuntu and other distros it finds a driver for my usb wifi adapter. I ...
154
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5answers
20k views

What's the story behind Super Cow Powers?

As we know, apt-get has Super Cow Powers and aptitude does not: $ apt-get --help | grep -i cow This APT has Super Cow Powers. $ aptitude --help | grep -i cow ...
22
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3answers
41k views

How do services in Debian work, and how can I manage them?

In Windows I have the services manager, where I see all system services, that can be started through Windows itself, I set up the user it uses, the rights management is in there, and I can pass ...
22
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4answers
36k views

Why is Debian's root shell colorless?

Are there any security concerns? What is the best way to enable it?
14
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5answers
7k views

How to see package version without install?

I want to see the version of a package before I install it. How can I do this?
36
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2answers
7k views

Why is video tearing such a problem in Linux?

I've used many variants of Linux(mostly Debian derivatives) for over a decade now. One problem that I haven't seen solved satisfactorily is the issue of horizontal tearing, or Vsync not being ...
21
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3answers
35k views

Debian/Grub2: Moving root partition to new drive?

Does anybody have a suggestion for how to move the root partition to a new drive and set up grub2 to boot on that drive? I seem to have no luck instructing grub-mkconfig what it is I want to do (e.g. ...
6
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2answers
14k views

IPTables - Port to another ip & port (from the inside)

I currently have a NAS box running under port 80. To access the NAS from the outside, I mapped the port 8080 to port 80 on the NAS as follow: iptables -t nat -A PREROUTING -p tcp --dport 8080 -j DNAT ...
5
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5answers
3k views

How to find out if a system uses SysV, Upstart or Systemd initsystem [duplicate]

Is there a simple way to find out which initsystem is being used e.g by a recent Debian wheezy or Fedora system? I'm aware that Fedora 21 uses systemd initsystem but that is because I read that and ...
13
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3answers
58k views

How to install the latest Python version on Debian separately or upgrade?

I'm still new to Linux, so I'm still trying to understand where executables and their libraries are and how to install packages, so I have Debian Wheezy 7.3 which has these Python versions: Python ...
11
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3answers
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Need to install glibc >= 2.14 on Wheezy

I am trying to get Protractor working for performing e2e angular testing, but protractor requires Selenium which requires ChromeDriver which requires glibc 2.14. My current development box is running ...
11
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1answer
2k views

How to make dpkg faster?

Package (un)installation on a Debian system is horribly slow, partly because it works with a whole bunch of (small) files. Short of getting faster storage, how do I speed it up? I'm thinking maybe ...
9
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2answers
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Is Grub installed to all the MBR of a RAID array by default by the Debian Installer?

If I use the Debian Stable (Squeeze) Installer to install Debian, booting from a RAID1 pair of drives, does it write grub to the MBR of both drives - if not, how should I best protect against a drive ...
7
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1answer
19k views

Unable to install ia32-libs in Debian Wheezy

I was trying to install ia32-libs in Debian Wheezy. I got the error The following packages have unmet dependencies: ia32-libs : Depends: ia32-libs-i386 but it is not installable E: Unable to correct ...
19
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2answers
13k views

Is sudo not installed by default in Debian?

I was reading a guide to install some software and came reading until this shocking statement: sudo is not installed on Debian by default. Make sure your system is up-to-date and install it. As ...
11
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4answers
6k views

What directories do I need to back up?

What are the directories one should back up, in order to have a backup of all user-generated files? From a vanilla debian install, I can do enough apt to get the packages that I want. So if I don't ...
6
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4answers
6k views

Debian: Which firewall for a newbie?

I have to install a firewall on my server (so without X Server). It's a debian lenny. If it is possible, I want to avoid the use of iptables. Is there a way to install/configure a firewall for a ...
21
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4answers
27k views

“no public key available” on apt-get update

When performing apt-get update, I get the following error: root@ADS3-Debian6:/home/aluno# apt-get update Atingido http://sft.if.usp.br squeeze Release.gpg Ign http://sft.if.usp.br/debian/ ...
10
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3answers
12k views

Uninstalling default VBoxGuestAdditions on Debian

When I ran sh /media/cdrom/VBoxLinuxAdditions.run I got the following warning message: You appear to have a version of the VBoxGuestAdditions software on your system which was installed from a ...
10
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5answers
38k views

lvm devices under /dev/mapper missing

I'm using Debian squeeze, and running LVM on top of software RAID 1. I just accidentally just discovered that most of the links under /dev/mapper are missing, though my system seems to be still ...
9
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4answers
9k views

Debian Testing or Debian Sid?

I'm currently downloading Debian 6 DVD. I don't want to use Stable, I want to use Testing or Sid, but I don't know wich one is better for me. Is Sid really unstable ? Is Testing up-to-date like Arch ...
9
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2answers
16k views

How to check on which drives grub2 has actually installed an MBR?

I'm on a Debian/Squeeze system (with a history going back to at least Woody) which was upgraded to grub2 as part of the Squeeze upgrade. All works well, but I'm about to mess with the disk ...
7
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3answers
17k views

Why can't I run GUI apps from 'root': “No protocol specified”?

I installed debian onto my machine last night. Now, I don't understand why I can't run GUI apps from a terminal when running as root. For example: sudo -i glxgears Generates the following output: ...
7
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2answers
12k views

Why do iptables rules disappear when restarting my Debian system?

I add this rule: sudo iptables -t nat -A OUTPUT -d a.b.c.d -p tcp \ --dport 1723 -j DNAT --to-destination a.b.c.d:10000 When restart computer rules are deleted. Why? What I can do to make ...
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5answers
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/etc/resolv.conf changes during reboot

My ISP asked me to use custom nameserver settings. I have placed these in /etc/resolv.conf. Unfortunately, every time I reboot the computer, the contents of this file is changed. To connect to the ...
3
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2answers
4k views

Making ruby available to all users

I intend to use Ruby when programming my Raspberry Pi which is running the Debian based Occidentals. Via SSH, I executed: curl -L https://get.rvm.io | bash -s stable --ruby which downloaded the ...
14
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3answers
8k views

Will Debian Wheezy (stable) automatically upgrade to Jessie once Jessie becomes the stable release?

I am on Debian Wheezy (stable) and routinely update my system via the basic: sudo apt-get update sudo apt-get dist-upgrade In the future, once Jessie becomes the stable release, I wonder whether ...
11
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1answer
49k views

List of available services

Is there any command that would show all the available services in my wheezy Debian based OS? I know that in order to see all the running services you can use service --status-all.
9
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3answers
34k views

How to bring up a wi-fi interface from a command line?

I can't figure out how to properly bring up the wi-fi card on my laptop. When I turn it on and issue $ sudo iwconfig wlan0 txpower auto $ sudo iwlist wlan0 scan wlan0 Interface doesn't support ...
7
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1answer
5k 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 ...
7
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2answers
5k views

How do I start Xvfb on startup on Debian?

I’ve got a Debian web server that I’m using for occasional screen-scraping via Selenum and Python. I use Xvfb as a virtual X server for Firefox to run on when being controlled by Selenium. Given that ...
6
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1answer
24k views

Set persistent routing table on Debian

I have modified my routing table by deleting one rule, and adding two new rules for my second interface eth1: route del -net 10.1.2.0 netmask 255.255.255.0 route add -host 10.1.2.51 eth1 route add ...
5
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3answers
280 views

How can I find the package that contains a program in Debian? [duplicate]

I am using a minimal Debian system which does not have the top program installed. I tried to install top with sudo apt-get install top, but top is not a package name. It seems that top is a part of ...
4
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2answers
664 views

Why is it that my initrd only has one directory, namely, 'kernel'?

I'm using debian live-build to work on a bootable system. By the end of the process i get the typical files used to boot a live system: a squashfs file, some GRUB modules and config files, and an ...
4
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2answers
19k views

How to automatically mount an USB device on plugin-time on an already running system?

I know how to use /etc/fstab to automatically mount devices on boot or when doing sudo mount -a, which works perfectly fine. For example, here is my current line for my device UUID=B864-497A ...
4
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1answer
10k views

minimal X.org xserver installation on Debian Wheezy

I installed Debian Wheezy with no desktop environment as I would like to use lightweight dwm window manager instead. However, as a first step, I need to install xserver. I would like to install ...
4
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0answers
688 views

How do I set up the SELinux sandbox in Debian?

I've installed SELinux in Debian sid in order to use the sandbox that locks down apps to a restricted enviroment, but I can't get it to work. If I try to use the sandbox command in permissive mode ...
3
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1answer
4k views

How to change the default version of Python in Debian 7.5?

I'm using Debian 7.5, and I've installed Python 3.3 and 3.2. How do I make 3.3 the default for when someone types python in the command line?
3
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2answers
13k views

stop/start gui on debian

I would like to start Debian without the GUI and then just type commands in to launch the desired programs (which are located on my local machine), eg $ chromium-browser & I already do a ...
2
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2answers
11k views

Restarting Gnome 3 in Debian Wheezy?

What's the correct way to restart Gnome 3 (and Xorg) under Debian 7.0 Wheezy? I've seen older documentation on how to this, but it is outdated. The ctrl+alt+backspace shortcut no longer works by ...
2
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1answer
10k views

Installing debian 7 besides windows 8

I ask this question in superuser but no one can answer my question, I hope any one can help me: I bought a VAIO laptop which Windows 8 preinstalled on it in UEFI mode. Now I want to install Debian 7 ...
17
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3answers
7k views

How Debian package should create user accounts?

The package qqq.deb installs the program qqq that should run from uqqq user account. The package consist of the qqq program, qqq.conf config file and /etc/init.d/qqq initscript. How should the ...
14
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4answers
1k views

TCP dies on a Linux laptop

Once in several days I have the following problem. My laptop (Debian testing) suddenly becomes unable to work with TCP connections to the internet. The following things continue working fine: UDP ...
13
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1answer
22k views

Installing Unity on Debian

I'm a former Ubuntu Unity user, and currently running Debian Squeeze. I love Debian's stability over Ubuntu, but I do miss being able to switch between applications use Super+1,2,3 etc. Has anyone ...
11
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4answers
1k views

How can I reliably “hold” a package in Debian?

I have a package in Debian that has been manually patched (not ideal, I know) that I must hold at its current version so upgrades don't overwrite the patched changes (I will manually inspect and apply ...
10
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1answer
4k views

How to quickly create a local apt repository for random packages using a Debian based linux distribution?

Some situations call for manually installing a local package using dpkg -i <packagename>. Sometimes it may be further useful to leverage the functionality of apt with that package so the ...
9
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2answers
1k views

Finding an earlier version to downgrade to

On my Debian server, I upgraded the SQLite package to version 3.7.7 but discovered that it contains a critical bug that breaks several things including my Subversion repository. So, I would like to ...
9
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4answers
20k views

Removing broken packages

Recently in a bout of frustration with getting phpmyadmin setup, I decided to start from scratch. Unfortunately, during the uninstall phase, I was prompted with the root password for mysql which I ...
8
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2answers
13k views

How can I resize my root partition in Debian?

I am trying to add space to my root partition and am really not sure the safest way to go about it. I have read this thread, Can I resize the root partition without uninstalling and reinstalling ...
8
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1answer
8k views

How to run a GUI program as a different user (Debian)?

Using a terminal, I can change the running user with su and sudo — but how can I do that by clicking on an icon/shortcut on the desktop/start menu? If I have to be root to execute I will be asked ...