NTP服务器配置

#/etc/ntp.conf
#
driftfile /var/lib/ntp/ntp.drift

logfile  /var/log/ntpd.log
statistics loopstats peerstats clockstats
filegen loopstats file loopstats type day enable
filegen peerstats file peerstats type day enable
filegen clockstats file clockstats type day enable

server 101.201.72.121
server 1.cn.pool.ntp.org
server s1c.time.edu.cn

restrict -4 default kod notrap nomodify nopeer noquery

restrict 127.0.0.1
restrict 192.168.0.0 mask 255.255.0.0 nomodify
restrict 172.16.0.0 mask 255.240.0.0 nomodify
restrict 10.0.0.0 mask 255.0.0.0 nomodify


broadcastdelay  0.008

 yum install ntp

chkconfig ntpd on

ntpdate -q 1.cn.pool.ntp.org

 vi /etc/ntp.conf 

service ntpd start

 netstat -tlunp | grep ntp

ntpq -p

ntpstat
命令参数详见：https://www.cnblogs.com/GYoungBean/p/4225465.html