Debian

Sites

• Homepage
• Wiki
• Debian Reference
• debian-administration.org
• http://www.debianadmin.com/

Security

• http://lists.debian.org/debian-security-announce/
• debsecan
• debsum

Links

• debconf

Netboot/PXE

• https://wiki.debian.org/DebianInstaller/NetbootAssistant
• Preseed

Documentation

• Compiling kernels the Debian way
• aptitude is often nicer than apt-get, but be careful
• apt-file to find package providing a certain file

https

• http://www.tuxick.net/docs/apache_ssl.html

https on debian testing is a mess, ignore:

• make-ssl-cert
• apache2-ssl-certificate in apache2.2-common only?
• http://www.debian-administration.org/articles/349

http://www.eclectica.ca/howto/ssl-cert-howto.php looks promising

Handling packages

• Compiling Debian Packages

Pinning

• Pinning
• Using APT with more than 2 sources
• http://wiki.debian.org/AptPinning

FAQ

the following packages have been kept back:

Time to apt-get dist-upgrade :)

change default editor

update-alternatives --config editor

change timezone

dpkg-reconfigure tzdata

kernel packages

• kernel-image
• kernel-source

volatile

 

clean cache

apt-get clean
      

E: Unable to correct problems, you have held broken packages.

First try

dpkg --get-selections | grep hold

Show more package information

apt-cache show packagename*

W: GPG error:

http://ftp2.de.debian.org etch/volatile Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EC61E0B0BBE55AB3

gpg --keyserver wwwkeys.eu.pgp.net --recv-keys EC61E0B0BBE55AB3
#and that other thing

Or just:

apt-get --allow-unauthenticated install debian-archive-keyring
      

Or

apt-key adv  --keyserver pgp.mit.edu --recv-keys 8B48AD6246925553

show dependency tree

apt-cache dotty
apt-rdepends

show dependencies

apt-cache rdepends
aptitude why

What package does a file belong to?

dpkg -S /path/to/file