rdate配置时间同步服务，将本地时间与远程服务器时钟同步
一、服务端安装xinetd
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| [root@server01 ~]# yum install -y xinetd rdate
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二、修改time-stream文件
disable = yes 改为 disable = no
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| [root@server01 ~]# vim /etc/xinetd.d/time-stream
service time
{
# This is for quick on or off of the service
disable = no
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三、启动xinetd
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| [root@server01 ~]# systemctl start xinetd
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四、设置开机自动启动
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| [root@server01 ~]# systemctl enable xinetd
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五、客户端通过rdate访问该机器进行时间同步
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| [root@server03 ~]# rdate -s ip
[grid@server03 ~]$ date; ssh server01 date
Sun Jan 16 15:25:16 CST 2022
Sat Jan 15 15:25:18 CST 2022
[root@server03 ~]# rdate -s server01
[grid@server03 ~]$ date; ssh server01 date
Sat Jan 15 15:36:33 CST 2022
Sat Jan 15 15:36:34 CST 2022
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