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Debian Commandos

06-08-2005 13.09

List all (installed) packages

export COLUMNS=10
dpkg -l "*"
dpkg -l "*" | grep ^ii
06-10-2006 12.38

Download Source Package and Build It:

apt-get -b source foo

Build Source Package:

dpkg-source -x foo.dsc

Build Sources:

dpkg-buildpackage -rfakeroot
06-10-2006 12.35

Search Package:

apt-cache search foo
16-11-2005 22.47

Reinstall Packages with Missing Files:

for i in /var/lib/dpkg/info/*.list;
do
while read line ;
do
if [ ! -e "$line" ]; then echo "Reinstall $(basename $i) ($line)"; break; fi;
done < "$i" ;
done
06-08-2005 13.09

Which Is the Largest Package that would Be Upgraded:

apt-get upgrade --print-uris -y | awk '{ print $3" "$1" "$2 }' | grep \'.*\' | sort -n | tail -10
06-08-2005 13.09

Build the Packages File:

dpkg-scanpackages ./ /dev/null | gzip > Packages.gz
apt-ftparchive ./ | gzip > Packages.gz
06-08-2005 13.09

Build Kernel:

make-kpkg clean
make-kpkg kernel_image --revision=Configname.Version
make-kpkg --initrd kernel_image
20-02-2009 22.36

Poweroff after Shutdown:

echo "apm" >> /etc/modules
(search for realmode_power_off)
06-08-2005 13.09

Remove a Package despite existing Dependencies:

dpkg -r --force-depends NAME
06-08-2005 13.09

Install and Remove init.d Links

Insert links for foobar using the defaults:

update-rc.d foobar defaults

Insert links for foobar at position 20 in runlevel 2,3,4,5,0,1,6

update-rc.d foobar start 20 2 3 4 5 . stop 20 0 1 6 .

Remove links for foobar

update-rc.d foobar remove

Choose your favourite application via the alternatives system

/usr/sbin/update-alternatives --list   editor
/usr/sbin/update-alternatives --set editor /usr/bin/vim
/usr/sbin/update-alternatives --set editor /usr/bin/emacs21
12-08-2007 11.11

Build Nvidia Kernel Modul

module-assistant auto-install nvidia
Andrew's Debian-nVidia HOWTO
06-08-2005 13.09

Debian add GPG key

Recently, Debian started to use secure apt. You might notice this with messages like this one
W: GPG error: http://... ... Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A080A41350959092
W: You may want to run apt-get update to correct these problems

You can then import the missing key, check it and add it with apt-key
# gpg --keyserver pgpkeys.mit.edu --recv-key A080A41350959092
gpg: requesting key 50959092 from hkp server pgpkeys.mit.edu
gpg: key 50959092: ... imported

# gpg -a --export 50959092 | apt-key add -
OK
16-03-2008 09.41
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