Check to make sure kernel metapackage is installed, not just specific kerneldpkg -l "linux-image*" | grep ^ii | grep -i meta
dpkg -l "linux-image*" | grep ^ii | grep -i meta
List removed packages with config files remainingaptitude search '~c'
aptitude search '~c'
List obsolete packagesaptitude search '~o'
aptitude search '~o'