Get the master key and add to minions
On master:
salt-key -f master.pub
On minion, edit /etc/salt/minion and add pubkey to master_finger
Add minion to master
Display all keys:
salt-key -L
Accept new keys:
salt-key --accept=minion1 --yes
salt '*' test.version
salt '*' test.ping
salt '*' cmd.run whoami