to do list

Be focused on technoligies itself instead of different tools.
do the things really matters first.
linux acting as a router, support vlan, both using vconfig and nmcli tools.

set up DNS using unbound instead of bind, also fultil DDNS.

set up zabbix : done 2016/04/03

vnc/reverse vnc

5. forwrad 127.0.0.1 port traffic to outside ip. nagix

cobbler

.hadoop : reuse desktop to build a shared storage

configure wifi to bypass GFW and allow client silent

pxe ubuntu

nagios

puppet/saltstack/ansible