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THEN TELL ABOUT TP-LINK ROUTER IN DEFAULT MODE. GETTING THE BETTER NUC ON THIS WIFI NETWORK, LOCKING IN 192.168.0.151, PUNCHING DOWN THE PORTS AND CONNECTING VIA SSH, VNC, PLUS OPENING UP ADDITIONAL PORTS I'LL NEED LATER. /ETC/HOSTS IN MAC FOR 192.168.2.2 AND VALIDATE CONNECTIVITY WORKS.
DON'T FORGET NEED TO FOLLOW INSTRUCTIONS AT https://askubuntu.com/questions/894750/allow-a-guest-session-wifi-access-with-no-users-logged-in TO ALLOW LOGIN TO WIFI B4 USER LOGS IN.
Pulling It All Together
ON MASTER1, ADD LOCAL /ETC/HOSTS ENTRIES FOR ITSELF AND ADDITIONAL 3 WORKERS. VALIDATE FORWARD & REVERSE DNSCONFIGURE 3 WORKERS (ONE AT A TIME) WITH ADDR RESERVATIONS. POINT OUT NO NEED FOR VNC ON THESE MACHINES. JUST USING SSH AND GO AHEAD AND SETUP PASSWORD-LESS SSH ROOT ACCESS WITH LINK TO HDP PAGE FOR DETAILS.
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