rpm

Redhat Package Manager. "rpm is a powerful Package Manager, which can be used to build, install, query, verify, update, and erase individual software packages." - man rpm

Tricks

Show installed keys

rpm -qa gpg-pubkey

Show extended info about all keys

rpm -qa gpg-pubkey | xargs -n1 -P1 rpm -qi

Show information about an rpm file

rpm -qpi

Show all installed packages and when they were installed

rpm -qa --last

Show information about the installed wget package

rpm -qi wget

Output formatted information about packages

rpm -qa --queryformat "%{NAME} %{PACKAGER} %{URL}\n" tomcat7

More info on queryformat: http://www.rpm.org/max-rpm/ch-queryformat-tags.html

Show which package installed a file

rpm -qf /usr/bin/wget

Show all files that were installed by package wget

rpm -ql wget

Show all files in a package that is not yet installed

rpm -qpl ~/downloads/wget-1.10.2-78.i586.rpm

Show which documentation files get installed with a package

rpm -qd wget

Show what has changed on the system since installing a package

This will verify file integrity and show you what has changed for each file.

rpm -V openssl

Show installation and uninstallation scripts

rpm -qp --scripts foo.rpm

Check the integrity of an RPM

rpm -K ~/downloads/filename.rpm

Show which packages are hogging all the space

rpm -qa --queryformat "%{SIZE} %{NAME}\n" |sort -rn |head -n50 | column -t

Show a table about RPM files versions and creators in a directory

rpm -qp --queryformat "%{NAME},%{VERSION},%{PACKAGER}\n" * | column -s, -t

Show what files were installed into /var/log

rpm -qa --filesbypkg | grep " /var/log" # space before /var is necessary to weed out things like /usr/var

Rebuild a corrupt rpm db

rm -rf /var/lib/rpm/__db*
rpm --rebuilddb

rpm