The following utilities are available for troubleshooting NIS.
See their reference manual pages for complete information.
| 
Utility
 | 
Function
 | 
| 
ypcat(NC)
 | 
displays the contents of an NIS map.
 | 
| 
ypmatch(NC)
 | 
prints the value for one or more specified keys in an
NIS map.
 | 
| 
yppoll(NADM)
 | 
asks any NIS server
for information about a map that it holds internally.
 | 
| 
ypwhich(NADM)
 | 
tells you which NIS server an NIS
client is currently using for NIS, or which
NIS server is master of a named map.
 | 
| 
rpcinfo(NADM)
 | 
displays RPC information from a specified RPC server.
Use rpcinfo to check whether portmapper,
ypbind, and (for NIS servers) ypserv are running.
If exporting filesystems, the mountd service should be
registered.
 | 
| 
ping(ADMN)
 | 
reports roundtrip time and packet loss statistics.
Use ping to ensure a network connection can be made between
hosts.
 |