Compare deb and rpm versions

gistfile1.md

Compare DEB versions

$ dpkg --compare-versions "1.0-4.1" gt "1.0-4joe5" && echo "NMU version -4.1 greater than -4joe5"

Source: https://people.debian.org/~calvin/unofficial/

Compare RPM versions

$ yum install rpmdevtools
$ rpmdev-vercmp kernel-2.6.35.14-100.fc14.x86_64 kernel-2.6.35.14-103.fc14.x86_64
0:kernel-2.6.35.14-103.fc14.x86_64 is newer

Source: http://unix.stackexchange.com/a/76601