RPM options

# list files in RPM package
rpm -qlp /path/to/file.rpm
rpm -q -filesbypkg -p /path/to/file.rpm

# list installed packages
rpm -qa

# list files in installed package
rpm -ql package

# find package by file
rpm -qf /sbin/rcportmap

# reinstall package
rpm -iv --replacepkgs <packagefile>

# rpmbuild
rpmbuild -bb file.spec
rpmbuild -tb /usr/src/ixgbe-4.2.3.tar.gz