[Linux] CentOS 7.5 modify zone

1⃣️ view the current version of CentOS systems:

[parallels@k8s-node2 ~]$ cat /etc/redhat-release 
CentOS Linux release 7.5.1804 (Core) 

2⃣️ View Time zone:

[root@k8s-node3 parallels]# ll /etc/localtime 
lrwxrwxrwx. 1 root root 41 Aug 10  2017 /etc/localtime -> ../usr/share/zoneinfo/America/Los_Angeles

3⃣️ change the time zone:

[root@k8s-node3 parallels]# ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime 
[root@k8s-node3 parallels]# ll /etc/localtime 
lrwxrwxrwx 1 root root 33 Dec 12 22:00 /etc/localtime -> /usr/share/zoneinfo/Asia/Shanghai
[root@k8s-node3 parallels]# date
Thu Dec 12 22:00:24 CST 2019
#查看时间还是不正确，重启
[root@k8s-node3 parallels]# reboot

4⃣️ view the current time:

[parallels@k8s-node3 ~]$ date
Fri Dec 13 11:35:36 CST 2019