[root@mc18 security]# grep -ir "md5sum" *
afterfreshinstall md5:5808c1a4fb3b452dcfe60ee30f3bf7be usr/bin/md5sum
afteryumupdate md5:5808c1a4fb3b452dcfe60ee30f3bf7be usr/bin/md5sum
after 2 hours on the net and installing webmin / pgsql / mysql
[root@mc18 security]# md5sum /usr/bin/md5sum 181c520fe58c1c3546c0fcd4cd51f80a /usr/bin/md5sum
Why did the md5sum value change ?
This is probably due to prelink. See /usr/share/doc/prelink-*/prelink.pdf
Paul.