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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Can I rollback an apt-get upgrade if something goes wrong?

Is there a way, before starting an aptitude upgrade or apt-get upgrade, to set up something so that you can "easily" rollback your system to the "apt" state it was before the actual upgrade, if ...
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How to block loading kernel module only in single user boot when blacklist fails?

On a "Linux debian 2.6.32-5-amd64 #1 SMP" installation where loading a kernel module (mpt2sas) is desired to be delayed to be loaded after starting sshd and users can remotely login, the mpt2sas ...
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1answer
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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 ...
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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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1answer
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Can I use and install Ubuntu packages in Debian?

I'm looking to install Linux Mint on my main work computer. Presently, I'm running Ubuntu 10.04 on it after upgrading from 9.10 (both 64bit). Previously, I have always backed up and formatted my hard ...
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1answer
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TrackPoint hard to control after Debian update

I'm on debian testing, and after rebooting (after an uptime of 3 weeks or so, that included a bunch of package updates, I believe including the kernel) the other day, the fine-adjustment - what a ...
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2answers
11k views

How do I configure syslinux to boot immediately

I'm tweaking a Debian live system (built with live-build), and I want it to boot straight into the system from syslinux — no menu, no timeout. According to the syslinux documentation, a timeout value ...
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1answer
8k views

rpcbind-“warning” on boot

On my debian testing system, I get these messages in my /var/log/boot file: Starting rpcbind daemon...rpcbind: Cannot open '/var/run/rpcbind/rpcbind.xdr' file for reading, errno 2 (No such file or ...
7
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1answer
521 views

How to enable “Predictable Network Interface Names”?

I decided to check out what name my ethernet device will end up with, but contrary to other distros, Debian doesn't seem to have activated this change (or is holding it back?), * Keep the old ...
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1answer
295 views

Xfce and Xscreensaver doesn't seem to consider keyboard activity “activity” - how change?

After I upgraded from Debian Squeeze to Wheezy, the combination of Xfce and Xscreensaver doesn't seem to consider keyboard activity to be user activity. Since I sometimes use only the keyboard for ...
7
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1answer
353 views

Disable screen blackout in KDE while watching iPlayer

How can I turn off the screen blackout in Linux when playing a film in BBC iPlayer? I usually use it in Chrome, but if there is a way to do it in Firefox (Iceweasel) than it is good enough as well. I ...
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Proper way to disable tmpfs on /run/shm

How do I disable tmpfs on /run/shm? I searched through initscripts and found that the following code checks the entry in fstab, but what should I change to make it not mount /run/shm? I'm running ...
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1answer
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Running Debian i386 binary on Debian armel via qemu

I am trying to follow this guide to set up a Ventrilo server on my SheevaPlug, running Debian armel. This page states that I can use QEMU to run the binary that was made for i386 on my arm system. ...
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1answer
516 views

Auto-Mounting CIFS Shares on Laptop

I've seen questions similar to this asked before in several variations, but I have yet to locate a satisfactory answer. Here's what I have: A highly mobile Debian laptop that switches networks ...
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1answer
655 views

Debian: How to delay configuration when installing/upgrading?

One of my Debian systems is rarely upgraded. So when it is time to upgrade, there are loads of packages. Right now I basically have to monitor the upgrade, because every 50 packages or so there is a ...
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3answers
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Make apt-get update and upgrade automate and unattended

I have about 7 Debian servers I manage, and I would like to set them to automatically update themselves. So, I created a script as such: #!/bin/sh apt-get update apt-get upgrade and placed it on ...
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3answers
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Count number of lines of output from previous program

I'm trying to count the number of lines of output a certain program produces. The problem is, the program takes a long time to run, and I want to display the output to the user. Is there a way to ...
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4answers
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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 ...
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5answers
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What's the currently recommended way to install node.js on Debian?

I've found a few different methods on the web, but some of the articles are quite old, and I'm concerned that the methods they describe have been superceded. Can anyone tell me what the currently ...
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2answers
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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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Trust a self signed PEM certificate

I have set up a proxy server with SSL using a PEM certificate. Now, there is a couple of machines of mine that I would like to trust this certificate automatically (without the web browser ...
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562 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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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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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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2answers
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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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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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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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2answers
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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
339 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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2answers
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How to undo sudo add-apt-repository?

I run sudo add-apt-repository ppa:noobslab/indicators to install my-weather-indicator but it requires GTK3 and I don't want to proceed. So I'd like to undo that command. I'd checked my ...
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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
852 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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2answers
202 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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5answers
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Mounting external drive does not work anymore

~$ dmesg | tail [ 479.558062] usb 1-1: SerialNumber: S07F1601A00000090095 [ 479.559231] scsi7 : usb-storage 1-1:1.0 [ 480.557093] scsi 7:0:0:0: Direct-Access Ext Hard Disk PQ: ...
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2answers
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Can I Uninstall GUI From Debian?

I just did my first install of any Linux OS, and I accidentally selected "Desktop GUI" in the install, but I want to build everything myself. Is there any way by which I can uninstall the GUI ...
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3answers
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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
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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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3answers
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how to stop the screen from blanking / blacking out?

I have re-installed Debian 7 (Wheezy) after a while. For the first time, I am using the open-free nvidia drivers (not nouveau) and vesafb for virtual consoles. I cannot, for the life of me, stop the ...
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2answers
203 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
800 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?
6
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1answer
66 views

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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3answers
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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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2answers
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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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1answer
597 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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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. ...