[root@ns etc]# mv localtime localtime.org
[root@ns etc]# ln -sf /usr/share/z
zoneinfo/ zsh/
[root@ns etc]# ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime
[root@ns etc]# mv localtime localtime.org
[root@ns etc]# ln -sf /usr/share/z
zoneinfo/ zsh/
[root@ns etc]# ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime