Connecting to the Pablo for preparation
1. Turn on internet sharing on the Mac (Sharing WiFi with Ethernet)
2. Clear the DHCP cache on the mac:

   $ MacConfigSharing.sh --clear

3. Confirm the DCHP cache is clear:

   $ MacConfigSharing.sh --clear

4(a) add pablo ssh key. Alias sshap. waterbots

4(b) Log into the Pablo:
     $ ssh -l student2680 192.168.2.2