linux ntp 同步時間
弑神linux機器時間同步方法:
(1) #/etc/init.d/ntpd stop先關閉本機的ntp服務
(2) #vim /etc/crontab 添加計劃任務
0 3 ** *root ntpdate 219.238.221.31
(3) #vim /etc/sysconfig/ntpd#執行系統時間與硬體時間同步
sync_hwclock=yes
(4) #clock -w将系統時間寫入硬體
(5) #ntpq -p檢視ntp服務狀态資訊
synchronised to ntp server(115.182.1.207) at stratum 3
time correct to within 112 ms
polling server every 1024 s
(6) #netstat -tunl|grep 123檢視ntp端口
udp00 192.168.60.59:1230.0.0.0:*
udp00 118.26.227.59:1230.0.0.0:*
udp00 127.0.0.1:1230.0.0.0:*
udp00 0.0.0.0:1230.0.0.0:*
udp00 ::1:123:::*
udp00 :::123:::*
(7) #vim /etc/ntp.conf
restrict 127.0.0.1
restrict -6 ::1
restrict default kod nomodify notrapnopeer noquery
restrict -6 default kod nomodifynotrap nopeer noquery
driftfile /var/lib/ntp/drift
server ntp1.gyyx.cn
server ntp2.gyyx.cn
server 219.238.221.31 prefer