NFS Services Administrator's Guide

Configuring and Administering NIS+
Administering NIS+
Chapter 5 263
If your transaction log contains only three entries, then your tables
are fully checkpointed. If your transaction logs contain more than
three entries, issue the following command to checkpoint them:
nisping -Ca
5. Use your favorite backup utility (tar[1], dump[1M], etc.) to back up
the following:
•The /var/nis directory
•The /etc/.rootkey file
The flat files you created by dumping the NIS+ tables