Q on yum cleanup

[Chuck R. Anderson]

On Fri, Mar 18, 2005 at 02:43:56PM +0100, Ralf Ertzinger wrote:
> rpm -aq --queryformat "%{NAME}\n" | sort | uniq -c | grep -v -E " *1 "

uniq -d

or 

sort | uniq -c | sort -n

works nicely too.