[CentOS] Good md5sum snapshot tool?

[Les Mikesell]

Sean Carolan wrote:
> I have a server that is undergoing some patching soon and would like
> to make note of any files that have changed after the patching is
> complete.  Can you recommend a tool that uses md5sum snapshots to do a
> quick before and after test, showing anything that's changed on a
> particular file system?

I always like brute force - and the ability to undo things...  If you 
have space somewhere to rsync (-aH) a backup copy of the filesystems 
before the changes, repeating the rsync with -aHvn --delete, (don't 
forget that -n) will show what is different afterwards.

-- 
   Les Mikesell
    lesmikesell at gmail.com