[root@Cent0s7Network H4x0r]# chkconfig nfs-server on
Note: Forwarding request to 'systemctl enable nfs-server.service'.
[root@Cent0s7Network H4x0r]# service nfs restart
Redirecting to /bin/systemctl restart  nfs.service
Job for nfs-server.service failed. See 'systemctl status nfs-server.service' and 'journalctl -xn' for details.
[root@Cent0s7Network H4x0r]# service nfs start
Redirecting to /bin/systemctl start  nfs.service
Job for nfs-server.service failed. See 'systemctl status nfs-server.service' and 'journalctl -xn' for details.