1. On client systems, edit /etc/ssh/sshd_config file and enable root login. Restart sshd by running /etc/init.d/sshd restart
2. copy generated id_rsa.pub from the control machine to the target machine and change the file name to authorized_keys (See sshd howto link from an earlier blog entry)
3. create syncdate.sh and change master_date_host to the actual host name.
for in in `cat hosts`
ssh -T root@$i `rdate master_date_host”
4. create hosts file containing host names