set system host-name <name>
set system time-zone America/Caracas
set system name-server 8.8.8.8
set system name-server 8.8.4.4
set system login user <username>
edit system login user <username>
set authentication plaintext-password <password> # password will be stored encrypted after commit
set full-name "Full Name"
set level admin
commit
save

# IF you change the your key remember that to run the loadkey command
# you need to be in configuration mode e.g. type configure :)
# copy your public ssh-key to the router in oder to connect with it
scp ~/.ssh/id_rsa.pub ubnt@10.0.1.1:~/id_rsa.pub

# login again with your newly created user because we are going to delete the default one
loadkey <username> ~/id_rsa.pub # load the ssh-key to the new user
set service ssh disable-password-authentication
delete system login user ubnt
commit
save