system@aggregator:~$ date
Thu Dec 21 11:42:10 WIB 2017
system@aggregator:~$ sudo cp /etc/localtime /etc/localtime.old
system@aggregator:~$ sudo ln -sf /usr/share/zoneinfo/Asia/Makassar /etc/localtime
system@aggregator:~$ date
Thu Dec 21 12:42:16 WITA 2017