Yes, if you're runnign rails, you definitely shd learn the first 10 minutes of a wide open VPS config (passwd,ssh, fial2ban, iptables/ufw etc)... sometime But

Yes, if you're runnign rails, you definitely shd learn the first 10 minutes of a wide open VPS config (passwd,ssh, fial2ban, iptables/ufw etc)... sometime But it doesn't have to be the first deploy