[root@localhost ~]# ntpdate 192.168.100.10
2 Mar 08:08:28 ntpdate[6760]: no server suitable for synchronization found
解决方法
关闭iptables服务,重新启动时钟源ntp服务,即可成功同步
[root@c1 ~]# systemctl stop iptables
[root@c1 ~]# systemctl disable iptables
[root@c1 ~]# ntpdate 192.168.100.10
2 Mar 00:08:47 ntpdate[7108]: step time server 192.168.100.10 offset -28801.598470 sec
原文:https://blog.51cto.com/14557736/2474860