校正centos服务器时间
2023-11-15

1.安装NTP

yum -y install ntp

2.使用 ntpdate 测试 NTP

ntpdate pool.ntp.org

4 Nov 16:44:23 ntpdate[24811]: step time server 185.34.151.142 offset -28333.005801 sec

3.查看服务器时间

date

Fri Nov  4 16:44:43 CST 2022

4.启动ntpd daemon,持续校准时间

systemctl start ntpd

5.查看ntpd daemon是否启动

systemctl status ntpd

ntpd.service - Network Time Service
Loaded: loaded (/usr/lib/systemd/system/ntpd.service; disabled; vendor preset: disabled)
Active: active (running) since Mon 2017-09-11 15:37:23 CST; 1h 49min ago
Process: 12142 ExecStart=/usr/sbin/ntpd -u ntp:ntp $OPTIONS (code=exited, status=0/SUCCESS)
Main PID: 12143 (ntpd)
Memory: 624.0K
CGroup: /system.slice/ntpd.service
12143 /usr/sbin/ntpd -u ntp:ntp -g