[root@base /]# /etc/init.d/ntpd statusntpd is stopped[root@base /]# /etc/init.d/ntpd startStarting ntpd:                                             [  OK  ][root@base /]# ntpdate aisa.pool.ntp.org20 Oct 19:11:38 ntpdate[11996]: the NTP socket is in use, exiting[root@base /]# dateThu Oct 20 19:11:44 CST 2016