Difference between revisions of "Dpkg"

Revision as of 07:40, 18 September 2005

package

• To list all the files in a package

dpkg -L packagename

• To install a package of a particular release ( assuming it's in your sources.list ).

apt-get install -t unstable packagename

• Tells the status (hold, purge etc..) of the package.

dpkg --get-selections <package name>

• To show anything in database with the package name.

dpkg -l ¦ grep <package name>

• To deinstall the package with all configuration files.

dpkg --purge <package name>

• To save or edit your packages status use

dpkg --get-selections > currentselections.txt 

re-directs your packages to the file, to restore list

dpkg --set-selections < currentselections.txt 

then

apt-get update 

to refresh then

apt-get upgrade 

to make the changes , also can be used to keep your current settings on any install just restore the list to the new install and

apt-get update 

and upgrade or dist-upgrade and you will have the same software packages on the new install.

• To put a package on hold

echo packagename hold | dpkg --set-selections

• To take a package off hold

echo packagename install | dpkg --set-selections

• To list the version of an installed package

apt-cache policy packagename | grep Installed

• To list packages containing a certain string in its package name, version or description

COLUMNS=120 dpkg -l | grep string