安装
- yum install ntp
当前本地时间更新为中国标准时间
- ntpdate cn.pool.ntp.org
查看当前时区、日期、时间状态
- timedatectl [status]
- Local time: Tue 2017-10-31 15:08:42 CST
- Universal time: Tue 2017-10-31 07:08:42 UTC
- RTC time: Tue 2017-10-31 15:08:42
- Time zone: Asia/Shanghai (CST, +0800)
- NTP enabled: yes
- NTP synchronized: yes
- RTC in local TZ: yes
- DST active: n/a
Timedatectl Commands
- status Show current time settings
- set-time TIME Set system time
- set-timezone ZONE Set system time zone
- list-timezones Show known time zones
- set-local-rtc BOOL Control whether RTC is in local time
- set-ntp BOOL Control whether NTP is enabled
部分命令示例
- # 设置时区
- timedatectl set-timezone Asia/Shanghai
- # 本地时间写入硬件时钟
- timedatectl set-local-rtc 1
- # 开启 NTP 同步
- timedatectl set-ntp 1
- # 设置时分秒
- timedatectl set-time 13:12:12
- # 设置年月日
- timedatectl set-time 2017-10-29 # 执行后,时分秒变成 00:00:00
- # 设置年月日时分秒
- timedatectl set-time '2017-10-29 14:12:12'
timedatectl 使用 set-time 设置时间时,timedatectl 的 ntp 需要为关闭状态
- ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
- clock -w
- date
- date -s 13:12:12
- date -s 2017-12-12
- date -s '2017-11-11 11:11:11'
本作品采用
知识共享署名-非商业性使用-禁止演绎 4.0 国际许可协议进行许可。
来源: https://juejin.im/entry/59f83a50f265da43163c5ecf