''' The current schedule for OPS345 is here: [[OPS335_Weekly_Schedule]]
* set up a new vm named 'ns1' in vpc-ops345, 10.3.45.12, ops345sgprivate
* iptables -t nat -A PREROUTING -p tcp --dport 2212 -j DNAT --to 10.3.45.12:22
* allow access to port 2212 in ops3455sg
* install bind
* what is DNS
