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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What is Debian's stance regarding GCJ and OpenJDK?

Both OpenJDK and GCJ are available for install on Debian, and now I wonder what's happening. Don't these provide same functionality?
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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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3answers
507 views

Access to original contents of mount point

On my headless NAS I have sdf1 (a flash-card) mounted as / while /home is mounted from lv00 (an LVM volume backed by a software RAID). To be able to access the machine when the RAID fails, I have a ...
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How to clean up unnecessary files

Please suggest me any particular unnecessary file that I can clean to back everything to normal condition(temporarily). (i.e. any log or archieve or anything ). My var/log has only 40MB and Home ...
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2answers
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How can I easily configure samba share in Debian Wheezy?

I have just installed a new Debian Wheezy and I am trying to create a new share. I am using KDE 4, and there in the folder preferences menu I found option to share the folder with Samba - it doesn't ...
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Installing Debian without GUI for a web server

I'm unfamiliar with Debian (obviously), so I downloaded the live ISO thinking it might help me out. From the live GUI, I doubled click on the install icon on the desktop and proceeded - it gave me a ...
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2answers
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How do I temporary change my keyboard layout on Debian? (no X)

How can I quickly change my keyboard layout between US and German? setxkbmap does not apply here, as I only have an SSH shell. Persistent changes via dpkg-reconfigure keyboard-configuration ...
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1answer
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How can I install more recent versions of software than what Debian provides?

Suppose I want a more recent version of software than is available for my current version of an operating system, what can I do? Cases to consider: There are semiofficial/official sources of ...
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Why do some scripts need constant re-sourcing during debian init?

Studying the init scripts, I'm puzzled as to why some subsidiary functions need to be re-sourced again and again. Specifically the logging functions found in /lib/lsb/init-functions. Every script that ...
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Can't find smbfs package in Debian Wheezy

In squeeze there was a package smbfs for mounting samba filesystems. In wheezy this is no longer present. What is the new package name? Is there a general formula to solve problems like this?
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1answer
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How to make a distro be fullscreen on VirtualBox?

I'm running Debian as host and I fail to get Debian, Ubuntu, and Fedora guests to be fullscreen. Changing video memory didn't help. NOTES: I haven't tried any other distro I didn't create WinXP ...
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1answer
311 views

Source code of the screens of debian-installer

Where do I can find the source code of the screens of the installation process of Debian? I've tried: apt-get source debian-installer But in this package I do not see the source code. To be more ...
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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 ...
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6answers
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Installing Skype on Debian x64

I am new to Linux and I'm trying to install Skype using this manual. I successfully download the package using the command: wget -O skype-install.deb http://www.skype.com/go/getskype-linux-deb-64 ...
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3answers
799 views

How do I find installed packages that have no install candidate?

I'd like to retrieve a list of installed packages that have no install candidate (e.g., because I removed an apt source file entry). How would I do that on Debian-based systems?
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199 views

How can I chase a program who is rising up my laptop's temperature?

After 40 days of non-upgrading I came back from a trip and I decided to dist-upgrade my Debian Sid box. Everything went fine but after rebooting I noticed that the temperature was 15°C over its ...
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1answer
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How to circumvent “Too many open files” in debian

If I want to see all relevant log files of my apache2 server at once, I use tail -f /var/kunden/logs/*log /var/kunden/logs/*log /var/log/apache2/*log |grep -v robots|grep -v favicon But since those ...
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What can I do when apt-get/aptitude doesn't create a menu item for an installed program?

Obviously, this question is specific to Debian-based setups. I find that, often, packages I install using aptitude or apt-get only say that a menu item has been created. No menu item actually ...
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1answer
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How do I install Adobe Flash on Debian Wheezy?

I have tried following http://wiki.debian.org/FlashPlayer but on the very first command: sudo aptitude install flashplugin-nonfree I get: oshirowanen@debian:~$ sudo aptitude install ...
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1answer
970 views

How can I view the list of packages that were “suggested” by apt?

When installing a package using apt-get install package a list of "Suggested packages" is displayed. What command can be used to print it again?
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1answer
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Why can't I use arrow keys in terminal on Debian 6? (nonroot)

When I am on a non-root user I cannot use ↑/↓ to list my previous commands, and if I am typing I can't use ←/→ to say, add in a directory or to correct the ...
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197 views

How many commands can be queued up with control operators?

I have been reading up on control operators, and I was wondering if there was a limit to how many commands you could line up with control operators, such as ||, && and ;. In addition, is ...
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2answers
681 views

How can I install Sun JDK on a Debian based system?

I can't find any .deb packages for Sun's Java Development Kit. How can I install it on my Debian machine without causing conflicts with the already installed openjdk packages?
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1answer
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apt: install packages downloaded previously

On Debian, I can download a package plus its dependent packages with apt-get install my_desired_package --download-only This will not install the packages, but only download them to ...
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Get diff changes between original files installed with apt and current files

I installed php5-fpm package using apt; then I made some changes to the PHP configuration files. Now I would get the diffs between the original files versions (the ones of the package installed) and ...
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Backspace, Tab not working in terminal (using ssh)

When I ssh into another machine with Debian with my account(with sudo permissions), my backspace key generates some awkward symbols on pressing. Also Tab & del keys don't work too. On the other ...
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Get newest gcc for debian?

I can't build my apps on gcc since I use various c++0x features. I'm on Debian 6 (Lenny) and after upgrade/updating I have gcc version 4.4.5-8. I'm unsure which version is required but mingw 4.6.2 ...
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1answer
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Significant difference in speed between fsck using ext3 and ext4 on Debian Squeeze

Recently I installed Debian Squeeze, first using ext3 and then again using ext4 on the same machine. The automatic fsck done after a certain number of mounts is much faster using ext4 (about 1 min) ...
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2answers
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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 ...
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1answer
594 views

Are Debian- and RedHat-style repositories compromised by Heartbleed OpenSSL bug?

The Heartbleed exploit (CVE-2014-0160) makes SSL connections using OpenSSL vulnerable to private key leakage. Does it mean that official update channels in RHEL/CentOS/etc. and Debian/Ubuntu shall be ...
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2answers
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How to regenerate /etc/init.d/.depend.(boot|start|stop) on Debian?

Suppose one deleted the following files. /etc/init.d/.depend.boot /etc/init.d/.depend.start /etc/init.d/.depend.stop How to regenerate them?
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1answer
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How to I install zabbix-agent over apt-get

Why is it that on my Ubuntu 13.04 system I can easilly install zabbix-agent by doing apt-get install zabbix-agent. When I do it in Debian 7.1, it says that the package zabbix-agent can not be found. ...
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1answer
223 views

Does fail2ban offer any additional protection to SSH if password login is already turned off?

I’m setting up a Debian VPS on Linode to use as a public web server, and I’m following their security suggestions. The last suggestion they make is to install fail2ban, to avoid dictionary attacks on ...
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3answers
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Create Null Modem Pair linux

I am looking to create virtual serial ports on Debian 6 squeeze. Basic requirements are: be able to connect as if port was a real serial port( IE be able to set baud, stop bits etc) com port pairs ...
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3answers
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Swap usage too high?

I have a debian sid box, freshly installed about a month ago, with no desktop apps running at the moment. Any command I try to run (via ssh) makes the hard disk work very hard. The system worked ...
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2answers
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After update, Synaptics touchpad gives lethargic pointer

My laptop is running KDE on a Debian a testing/unstable mix. I recently did an upgrade, which pulled in a new xorg version (xserver-xorg-core:amd64 2:1.15.1-1 → 2:1.15.99.904-1), including all the ...
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2answers
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How to remove a group of no longer needed Debian packages?

When building software, I sometimes need to install libraries, binaries, etc. which are only required to build the package but then I forget about removing them, so I end having to cleanup several ...
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2answers
354 views

How to automatically generate .desktop file?

There's a .deb software that doesn't have a .desktop file, I created that file. I want to create another package for that software, when the user installs it, I want the .desktop file to be generated ...
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1answer
701 views

Run shell script when new volume mounted

I'm interested in running an rsync script whenever any new volume is mounted on my Debian box. What are some potential triggers / strategies for listening for a new volume mount?
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932 views

Managing unofficial repositories on a Debian system

A few years ago I added this repository to my sources.list: http://www.deb-multimedia.org/ because it contained packages like acroread or flash player, which were either missing or out of date in ...
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1answer
4k views

How to get my bluetooth keyboard to be recognized before log in?

Because I need to use my keyboard to log in, I would like my keyboard pair automatically, pre-log in. I am using Debian squeeze, and am new to linux. All tutorials I have found seem to require the ...
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2answers
951 views

How to include data files (pictures, text files, …) in a debian package

I'm a beginner in Debian packaging so sorry for the obvious question. I followed a tutorial to make a package application, but it only deals with the source, there's absolutely no other file types ...
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2answers
534 views

Static IP for 2 PCs on crossover cable in interfaces(5) file?

I've got 2 PCs connected on an Ethernet crossover cable. On PC1 I run: sudo ip addr add 192.168.2.1 peer 192.168.2.2 dev eth0 sudo ip link set dev eth0 up On PC2 I run: sudo ip addr add ...
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1answer
245 views

What do '+b#' packages versions mean in Debian?

Today I checked out my upgrades and saw 63 upgrades in Debian testing. Fine. I got curious because most of them are held back, so I used -V to see the versions. To my surprise, most of them where ...
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3answers
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Postfix doesn't send mail, complaining about “Host or domain name not found”

I followed these instructions in order to send mail and here's the Postfix log: Sep 26 00:46:24 tshepang postfix/smtpd[5728]: 8EE2464931: client=localhost[127.0.0.1] Sep 26 00:47:44 tshepang ...
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Fail2ban block with IPtables doesn't work on Debian Lenny. [moved ssh port]

I've recently decided to do some security maintenance. I saw my logs, and there were some tries against my SSH server. At first, I moved away the SSH port from the default 22. After it, I read ...
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1answer
858 views

Wi-Fi constantly disconnects

Using either NetworkManager or Wicd to manage wireless networking on my Wi-Fi-powered laptop, too often I get randomly disconnected, and I see these messages on /var/log/syslog: Dec 10 05:21:26 ...
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1answer
116 views

30 second gap in boot process

I did a full upgrade on my Debian system (jessie/sid). Unfortunately there is now a 30 second gap on the bootup and I really don't know where it comes from and where I have to look to find it. I ...
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2answers
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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 ...
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2answers
724 views

How can I create a .deb package with my compiled OpenCV build?

OpenCV 2.4.2 took 6 hours to compile on the Raspberry Pi and I'd love to package everything up as a deb but I have never done that before. How can I package the compiled files so that they download or ...