查看以前的時區：

[[email protected] mysql]# vim /etc/sysconfig/clock

將裏面的參數改成Asia/Shanghai

[[email protected] mysql]# rm -f /etc/localtime

[[email protected] mysql]# ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

查看時間 [[email protected] mysql]# date

Fri Sep 29 21:41:47 CST 2017

更新到現在的時間 [[email protected] mysql]# ntpdate time.nist.gov

29 Sep 13:43:11 ntpdate[12571]: step time server 132.163.4.104 offset -28739.755402 sec

[[email protected] mysql]# date

Fri Sep 29 13:43:14 CST 2017

[[email protected] mysql]# hwclock -w

linux修改時區