List all installed packages:
dpkg-query -l dpkg --get-selections apt list --installed |
List all packages that are available for install from sources in /etc/apt/sources.list
apt-get update
apt-cache dumpavail
To find out what package contains a file:
dpkg-query -S libf2c.so.2.1 |
List all files owned by a package
dpkg -L package-name |
Reinstall a package
sudo apt-get install --reinstall package-name |
What does a package depend on?
apt-cache depends package-name |
What depends on this package?
apt-cache rdepends package-name |
Return to parent directory.