linux修改系统时间、时区

[root@localhost ~]# date -s "20200807 09:38:00"
Fri Aug  7 09:38:00 CST 2020
[root@localhost ~]# date
Fri Aug  7 09:38:03 CST 2020
保存到硬件配置

[root@localhost ~]# hwclock --systohc

hwclock -w

设置时区为东八区

cp /usr/share/zoneinfo/Asia/ShangHai /etc/localtime