linux时间同步

1 查看时间

timedatectl 

      Local time: Wed 2022-08-10 23:03:35 CST
  Universal time: Wed 2022-08-10 15:03:35 UTC
        RTC time: Wed 2022-08-10 15:49:18
       Time zone: Asia/Shanghai (CST, +0800)
     NTP enabled: n/a
NTP synchronized: no
 RTC in local TZ: no
      DST active: n/a

2 时间同步

时间服务器

http://time1.aliyun.com
http://time2.aliyun.com
http://time3.aliyun.com
http://time4.aliyun.com
http://time5.aliyun.com
http://time6.aliyun.com
http://time7.aliyun.com

yum install ntpdate -y

ntpdate -u time.pool.aliyun.com