NTP客户端


检查是否安装ntp软件

[root@localhost ~]# rpm -q ntp
ntp-4.2.6p5-19.el7.CentOS.3.x86_64


如果没有安装执行下面语句安装

[root@localhost ~]# yum -y install ntp
[root@localhost ~]# systemctl enable ntpd
[root@localhost ~]# systemctl start ntpd


设置时区(Timezone)


先看下当前时区

[root@localhost ~]# timedatectl
      Local time: Mon 2024-04-29 01:00:41 EDT
  Universal time: Mon 2024-04-29 05:00:41 UTC
        RTC time: Mon 2024-04-29 05:00:41
       Time zone: America/New_York (EDT, -0400)
     NTP enabled: yes
NTP synchronized: no
 RTC in local TZ: no
      DST active: yes
 Last DST change: DST began at
                  Sun 2024-03-10 01:59:59 EST
                  Sun 2024-03-10 03:00:00 EDT
 Next DST change: DST ends (the clock jumps one hour backwards) at
                  Sun 2024-11-03 01:59:59 EDT
                  Sun 2024-11-03 01:00:00 EST


查看系统支持的时区

[root@localhost ~]# timedatectl list-timezones
Africa/Abidjan
Africa/Accra
Africa/Addis_Ababa
Africa/Algiers
Africa/Asmara
Africa/Bamako
Africa/Bangui
Africa/Banjul


我们帮时区配置成Asia/Shanghai

[root@localhost ~]# sudo timedatectl set-timezone Asia/Shanghai
[root@localhost ~]# timedatectl
      Local time: Mon 2024-04-29 13:01:52 CST
  Universal time: Mon 2024-04-29 05:01:52 UTC
        RTC time: Mon 2024-04-29 05:01:52
       Time zone: Asia/Shanghai (CST, +0800)
     NTP enabled: yes
NTP synchronized: yes
 RTC in local TZ: no
      DST active: n/a


参考资料:

https://cloud.tencent.com/developer/article/1401342

https://linuxize.com/post/how-to-set-or-change-timezone-on-centos-7