Questions specific to the Debian official distribution (stable, testing, or unstable); if you are using a derivative of Debian (e.g. Mint, Ubuntu, Kali, etc), then use that distribution’s tag instead.

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4
votes
2answers
2k views

USB storage devices aren't automatically mounted when inserted on a fresh install of Debian 6.0

I installed Debian 6.0 (squeeze) a few days ago on my machine. I installed the default GNOME desktop, standard settings. Unfortunately, I just noticed that when I plug in USB storage devices (external ...
3
votes
2answers
1k 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
2answers
1k views

How to download Debian package's source code?

I want to read source code of some package in Debian, how can i do that?
10
votes
2answers
2k views

31 Debian CDs — Why? and which do I need for a vanilla desktop install?

I've been using Linux (Ubuntu) for a couple of months now, and I want to try Debian to see how different it is. Well, I've already found a couple of differences.. The first one that Debian-Live ...
6
votes
2answers
2k views

How to see password as we type it

In debian wheezy terminal i type su - It ask for password, which i type but it dont show anything as Password: I want to it to show at least some asterisks as the placeholder for the password ...
5
votes
2answers
304 views

Upgrading packages automatically

I'm fairly new to using servers (debian 7) and I'm currently running cron-apt to e-mail me when there are new upgrades available. Is the following command safe to run when new upgrades are shown? ...
5
votes
4answers
6k views

Installing a cross-toolchain to build ARM binaries on Debian

I tried to install a cross toolchain so I could build Linux kernel on amd64 (Debian testing "jessie") for my ARM system. I have this entry in sources.list: deb http://www.emdebian.org/debian sid main ...
4
votes
1answer
777 views

xdg-open opens a different application to the one specified by xdg-mime query

I run Debian Jessie without a desktop environment (I use the tiling window manager i3) and like to use xdg-open to quickly open files using a preferred application. I have an ongoing problem setting ...
4
votes
2answers
1k views

Separate Network Traffic on Two Network Interfaces

I am not an R&S professional, so much of that realm of computing escapes me. Could you lend your expertise in helping understand how to go about configuring the separation of network traffic on ...
4
votes
4answers
5k views

I can't adjust screen brightness of my laptop anymore

My laptop has keyboard buttons for adjusting screen brightness. After a Debian Squeeze re-installation, they don't work no more. [laptop] Acer TravelMate 6592; I use Fn< to decrease the brightness ...
3
votes
1answer
169 views

After upgrade, X button in titlebar no longer closes xterm

In theory, pressing the close button should close an xterm. It did before I did an aptitude upgrade. (I'm running Debian testing). But now it doesn't—clicking the X does nothing—but only for some ...
3
votes
2answers
2k views

Optimal SSD configuration

I am thinking about buying an SSD for my Debian system. However, because I don't know what is the optimal arrangement (i.e. what goes on the SSD), I am not sure what is the optimal size. Obviously I ...
3
votes
1answer
3k views

How do I use NMCLI to create a Wifi connection & connect to SSID over WPA?

Environment BeagleBone Black running Debian 7.7 nmcli tool, version 0.9.4.0 I tried some command examples to get started, however none helps me to add a connection and connect. Devices # nmcli ...
3
votes
1answer
1k views

How do I install “non-free firmware” (wifi driver) from USB? (Debian)

I just installed Debian on laptop, it tells me Some of your hardware needs non-free firmware files to operate. The firmware can be loaded from removable media, such as a USB stick or floppy. ...
3
votes
4answers
6k views

Automatically update GCC to a later release without upgrading distribution

My understanding is that C++11 support in G++ 4.7.2 wasn't great (it gives me a warning everytime I try to compile my C++ code, presumably there are good reasons for these warnings), so thought I ...
2
votes
1answer
156 views

chpasswd apply changes in the chroot directory

I have debootstraped version of wheezy on my Archlinux machine and would like to change it's root password: echo "root:toor" | chpasswd --root /home/containers/wheezy/ However I get an error: ...
2
votes
1answer
8k views

How to setup proxy authentication in the Debian shell?

I think that once I used export http_proxy=http://user:password@address:port/ successfully. But now when I use wget it shows Error parsing proxy URL http://user:passwordaddress:port/: Bad port ...
2
votes
2answers
2k views

removing linux kernels

Below are all the linux kernels that are running on my machine. I am trying to make a debian base install as light as possible. The kernel I am running is linux-image-2.6.30-vortex86mx-apm. I am ...
2
votes
1answer
4k views

Unable to install skype on LMDE,how to resolve these dependencies?

I have downloaded "multiarch" .deb file for latest skype and unable to install it on latest version of LMDE (linux mint debian edition Xfce x86_64). e.g step one : sudo dpkg -i skype-debian_4.1.0....
2
votes
3answers
490 views

How can I find out what happened to my Debian box?

I have an old PC lying around which I've installed Debian 6.0 on. Last night I was trying to SSH in and it wouldn't respond so I pressed the reset button. How can I find out what happened to it? It ...
2
votes
3answers
76 views

Change files with Editor that need sudo permissions

I want to change files with KomodoEdit, that need sudo permissions. I cant start KomodoEdit with sudo tho (for whatever reason). Can I somehow grant Komodo permission to edit those files (in ...
2
votes
2answers
274 views

Cron only occasionally sends e-mail on output and errors

On Debian 8.1, I'm using a Bash feature to detect whether the stackoverflow.com website is reachable: (echo >/dev/tcp/stackoverflow.com/80) &>/dev/null || echo "stackoverflow unreachable" This is ...
2
votes
2answers
8k views

not able to create xorg.conf file

I want to change my colour depth. I posted this, and got the following answer: Create an xorg.conf file by running Xorg -configure. Then edit the Depth entry in the Display subsection of the ...
2
votes
1answer
319 views

What are the different CD's & DVD's for?

I'm planning to install Debian on my home server. It will be running some services like Teamspeak 3, gaming servers, Samba, etc... No business services like DHCP, DNS, ... needed. So as this is my ...
1
vote
1answer
48 views

How is the authenticity of Debian packages guaranteed?

What security systems and processes are in place to prevent malicious third parties from hacking/compromising the security of code in the Debian mirrors, or to verify that the packages we get are in ...
1
vote
1answer
1k views

[Linux Debian 8]: Driver Installation asks me to insert a disc

So I recently installed Debian 8 and am currently trying to get the software configured with my NVIDIA video card. The official Debian page instructed me to do this: Add deb http://http.debian.net/...
1
vote
1answer
179 views

Is that possible for debian users to connect to network through systemd-networkd?

Systemd offers the ability to manage the network by itself without additional tools such as netctl or NetworkManager. I am running debian 8 and i need to configure my network using systemd-networkd ...
1
vote
2answers
2k views

Why does Ubuntu use Debian “unstable”? How does it manage to be stable then?

Shouldn't Ubuntu use Debian "stable" for stability? How does it manage to stay stable by using Debian "unstable" ?
1
vote
0answers
42 views

Why does perl complain about locales? [duplicate]

This thread is not a duplicate to locale not found/setting locale failed - what should I do? because the file /etc/locale.gen has uncommented the line en_US.UTF-8 UTF-8 which should sufficient no ...
1
vote
2answers
784 views

Is it possible to run debootstrap within a fakeroot environment?

I have a script that prepares an installation image by running debootstrap, does some modifications on the files and then copies the files to a disk image backed up by a file. This works under root, ...
1
vote
1answer
4k views

How to install LXDM instead of GDM3?

I'm running Debian Wheezy and my default Display Manager is GDM3, and I would like to replace it with LXDM. The problem is that I'm trying to run # apt-get install lxde and it's not working, what am I ...
0
votes
1answer
158 views

Launching application without titlebar and window decorations

I want to launch VLC without the titlebar and window decoration. I'm using the following line to launch VLC: vlc -I dummy --no-video-deco --no-embedded-video test.mpg Unfortunately this doesn't ...
0
votes
2answers
134 views

sources.list file missing [closed]

to edit sources.list, on doing from root user, nano etc/apt/sources.list nano text editor appears as a new file and on saving, it throws an error:- etc/apt/sources.list : no such file exist** ...
0
votes
1answer
45 views

“Bootstrapping” up from an old Debian 4 installation

I have a decade old laptop that is "working", with Debian 4.x running. It has working USB, but cannot boot from USB. Its optical drive is powered but doesn't seem to work (I have tried booting several ...
0
votes
1answer
614 views

Manually installing a program on Debian

I have installed Debian on my pc, but the problem is that at the moment I have no Internet connection to this pc. So, to install a program I have to manually downloaded from a pc with internet and ...
0
votes
1answer
47 views

SSH takes too long to ask for password

I've seen many other questions on this subject but none seem to actually solve my problem. Like any other day, I connect to my LOCAL Raspberry Pi server from my client machine at 192.168.0.5 with ssh ...
0
votes
2answers
524 views

Can't launch gnome-control-center, fglrx problem?

I have installed Debian yesterday. Later I installed the AMD Catalyst Driver because the system didn't detected the second screen. It worked perfectly. Now I can't launch gnome-control-center, I don'...
0
votes
1answer
900 views

Difference between Debian 7.1 and Linux Mint 15 Debian

What is the main difference between Debian 7.1 and Linux Mint 15 Debian besides look and Desktop Environment. Basically with a special reference to security stability, and updates if you are going to ...
0
votes
0answers
38 views

How often is SIGHUP called in this situation?

I have situation where I am connected to my BeagleBone Black over USB cable, and I started my application in Linux terminal and I'm watching its execution, it sends me some data to terminal and it ...
189
votes
5answers
33k 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 ...
36
votes
3answers
78k 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 ...
55
votes
4answers
19k 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 ...
32
votes
4answers
51k views

Why is Debian's root shell colorless?

Are there any security concerns? What is the best way to enable it?
18
votes
5answers
12k 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?
14
votes
3answers
102k views

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 ...
13
votes
7answers
27k views

System image of running Debian system?

Is it possible to backup a running Debian system to some kind of image file, that could simply be written back to another hard disk using dd in case of failures of the original (backed up) Debian ...
12
votes
6answers
9k 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 ...
12
votes
1answer
3k 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 ...
11
votes
3answers
38k 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: ...
8
votes
3answers
20k 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 ...