開啓時間同步：

    1. timedatectl set-ntp true

    查看當前狀態：

    1. timedatectl status

    狀態如下：

    1. ^^>>> timedatectl status
    2.                Local time: Sat 2023-05-21 10:59:33 CST
    3.            Universal time: Sat 2023-05-21 02:59:33 UTC
    4.                  RTC time: Sat 2023-05-21 02:59:33
    5.                 Time zone: Asia/Shanghai (CST, +0800)
    6. System clock synchronized: yes
    7.               NTP service: active
    8.           RTC in local TZ: no