> I had to Google the correct SSH config syntax to allow root logins, but only via public keys. I had to Google for iptables rule syntax and using ufw to manage

> I had to Google the correct SSH config syntax to allow root logins, but only via public keys. I had to Google for iptables rule syntax and using ufw to manage them. I forgot where I had to place the configs for supervisor for running jobs, let alone how to write the config. Are these actually things sysadmins know without googling or peeking into manpages?