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Configuring NIS Server
Install ypserv package:
yum install ypserv
Set NIS domain name:
/bin/domainname example.com
Store the domain name in /etc/sysconfig/network to make it permanent:
NISDOMAIN=example.com
Initialize NIS database:
/usr/lib/yp/ypinit -m At this point, we have to construct a list of the hosts which will run NIS servers. localhost.localdomain is in the list of NIS server hosts. Please continue to add the names for the other hosts, one per line. When you are done with the list, type a <control D>. next host to add: localhost.localdomain next host to add: localhost next host to add: The current list of NIS servers looks like this: localhost.localdomain localhost Is this correct? [y/n: y] y
Start NIS server:
service portmap start service ypserv start
Configure autostart:
chkconfig --add ypserv
Verify NIS server:
rpcinfo -u localhost ypserv program 100004 version 1 ready and waiting program 100004 version 2 ready and waiting
If the NIS server is behind firewall, you need to open the ports used by NIS server:
rpcinfo -p localhost
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100004 2 udp 691 ypserv
100004 1 udp 691 ypserv
100004 2 tcp 694 ypserv
100004 1 tcp 694 ypserv
The above output shows that you need to open port 111, 691, and 694.
To allow changing user info, you need to enable yppasswdd service. Edit /etc/sysconfig/yppasswdd:
YPPASSWDD_ARGS="-e chsh -e chfn"
Then start the yppasswdd service:
service yppasswdd start