IBM RS/6000 SP Problem Determination Manual page 247

This soft copy for use by IBM employees only.
for i in hostlist -av
do
/usr/bin/rsh $i ' kill -15 ps -e | grep xntp | grep -v grep |
cut -c1-6'
/usr/bin/rsh $i /etc/rc.ntp
done
This script will stop the NTP daemon on each node and then restart it.
This will synchronize the time on the nodes with the Control Workstation.
• dsh -a rm /.rhost
Use to delete the .rhost file on all the nodes. Notice
that because the time is synchronized, Kerberos commands work again.
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Chapter 9. User and Services Management