ntp服务器配置

[root@zenoss30 ~]# grep  -v "^$\|^#" /etc/ntp.conf
restrict default kod nomodify notrap nopeer noquery
restrict 127.0.0.1
restrict 14.18.10.30
restrict 0.0.0.0 mask 0.0.0.0 nomodify notrap
server 14.18.8.245 prefer
server  127.127.1.0     # local clock
fudge   127.127.1.0 stratum 10
driftfile /var/lib/ntp/drift

[root@zenoss30 ntp]# cat step-tickers
14.18.8.245

查看NTP同步状态

ntpstat - show network time synchronisation status

查看

[root@s30 ~]# ntpq -p
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
 14.18.8.245   .INIT.          16 u   39   64    0    0.000    0.000   0.000

公网稳定NTP

/usr/sbin/ntpdate ntp.api.bz

ntptrace

更新BIOS

[root@zenoss30 ntp]# cat /etc/sysconfig/ntpd
SYNC_HWCLOCK=yes

在另外一台机器上测试

/usr/sbin/ntpdate  14.18.10.30