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Questions tagged [debian]

Debian is a popular and influential GNU/Linux distribution. Questions here should generally be about Debian Server.

Debian GNU/Linux its one of the oldest and more popular Linux distributions. The Debian project was started in 1993 by Ian Murdock (the name Debian is a junction of Debra + Ian, his girlfriend at the time). Debian strongest points are the portability, stability and commitment to the free software ideal.

The current Debian version (6.0, code named Squeeze) has more than 29.000 software packages available on nine platforms (including SPARC, ARM, PowerPC), and 2 platforms supporting the FreeBSD kernel (Debian GNU/kfreebsd on i386 and amd64). The Debian APT package management provides dependency management and strong update and upgrade capabilities.

Debian maintains normally 3 versions of its repositories: stable (the current release), testing (the next release), unstable (new packages and versions). After debian makes a new release, the previous stable release is maintained for one year, and is re-labed oldstable. Squeeze also included the backports repository where some software from the testing will be made available to the stable release, and updates (previously named volatile) to deal with software that evolves too fast. Debian also makes point releases with aggregated updates and updated tools, those keep the release name but update the version like Debian 6.1 for example.

Debian has a Social Contract with its users and will only distribute on its main distribution software that is compatible with the Debian Free Software Guidelines.Those two devices were created on the early days of the distribution and also are the basis for Open Source Initiative's Open Source Definition.

The Debian project organization counts with the Debian Project Leader, the Debian Project Secretary and the Debian Developers. The developers are responsible for the releases, packaging software, managing the FTPs, security and so on. Each Project Leader is elected for a period of one year and any Developer can be a candidate.

Ubuntu Linux uses Debian as its base, as well as other well known distributions like Maemo, Mint, Knoppix and several others. The Wikipedia article has also more details about the distribution, as well as Debian's official site.

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iptables rule to drop SYN and FIN attacks

From a Trustwave report, we are trying to set our server to block this type of request but after trying several combinations of rules, we can still see the ports. Could anyone give me a hint or the set of necessary rules to block this request? I'm…
shadow_of__soul
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Recompile package from source for an other server

I have a few servers (10) running Debian Lenny on x86. I need to compile some packages from source. I know it is not a good practise to have compilation tool on a production server (for security). I want to know, if I can compile those packages on a…
Kortex786
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Why is my CIFS share showing the same files multiple times?

I have a Debian backup server running the FreeBSD kernel and a ZFS filesystem on which I store backups, using ZFS's snapshot and compression technologies. The Debian server uses rsync to pull files from multiple other servers via a cron job. This…
Josh
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Apache + LDAP Auth: access to / failed, reason: require directives present and no Authoritative handler

Can't solve this one, here's my .htaccess: AuthPAM_Enabled Off AuthType Basic AuthBasicProvider ldap AuthzLDAPAuthoritative on AuthName "MESSAGE" Require ldap-group cn=CHANGED, cn=CHANGED AuthLDAPURL…
Karolis T.
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Debian squeeze high memory usage?

I am quite new in the Linux / Server environment. I installed Debian Squeeze on vmWare Server to run LAMP. After I had the LAMP configured and running I decided to check on the memory usage of the server, and I found it to be high. I am not familiar…
moleculezz
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special case ssh connection lag

Setup We have a DMZ and LAN in our office that are connected to the outside with the following setup: +------+ | |------> LAN (normal office router) |Modem | | |------> DMZ (a single machine) +------+ Our internet account is with Comcast…
Hersheezy
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Subversion everybody can checkout

I setup a debian based server and installed subversion on it. After I configured the subversion client I did my first checkout. But I recognized a problem. When I am using the svn protocol I can do a checkout without entering a username or password.…
xen100
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Hang while starting several daemons

I’m running a Debian Squeeze AMD64 server. Target runlevel after boot is runlevel 2, which includes rsyslogd, cron, sshd and some other stuff, but not dovecot, postfix, apache2, etc. The system fails to reach runlevel 2 with several symptoms: The…
Adrian Heine
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Server not responding to SSH and HTTP but ping works

I requested an hard reboot because none of ssh and http worked. Ping worked normally. Which logs should i check to understand what was the problem? Thanks! (debian 6 on lamp) Edit: my memory and swap: Mem: 4040068k total, 1114920k used, 2925148k…
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How can I get LAMP up and running with Debian?

I need to install Debian for a webserver on a dual-Xeon machine, and it must be as "secure" as possible, with whatever programs and features are available (Firewall, Antivirus, etc). I need basic webserver functionality, with the LAMP stack (where P…
Robin Rodricks
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Php: How to enable blowfish hashing on a debian server

I'm trying to make blowfish hashing available to php on a debian server. Taken from the php manual on the crypt() function ( http://php.net/manual/en/function.crypt.php ), the following code checks for cryptographic functions...
Kzqai
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DKIM- Filter No Signature Data

I have installed DKIM-Filter on Postfix after reading this tutorial http://www.unibia.com/unibianet/systems-networking/how-setup-domainkeys-identified-mail-dkim-postfix-and-ubuntu-server My email now has a DKIM signature but still it is landing in…
Vineet Sharma
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Debian-Installer: how to preseed a lenny (oldstable) installation?

I had a perfectly fine running installation process for virtual machines based on an instalinux CD, creating Debian 5 lenny VMs within minutes. The preseed file ensures installation of puppet, which takes care of "personalization" of the VMs later,…
Hank
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Crontab definitions disappearing

I'm running a Debian server on EC2, and a few days ago my crontab definitions suddenly disappeared. Just vanished without provocation! Any ideas what can be responsible for that? I don't suspect any unauthorized access to the server.
mba_fv
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Linux - Best file system for /var/log partition?

I am under Debian Squeeze 6.0. What is the best file system for the /var/log partition, and why ?
Jonathan Rioux
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