[tor-relays] simple relay setup

I need some help. My dedicated server is running debian and is new, set up by my serverhoster.

I want to run a TOR-Relay: - It should always update to latest stable automatically. - It should be save.

I will edit the torrc by myself. What i need is simple copy+paste codeline for: - isntall and run functional auto-update for tor (is it libevent?) just simply @root user without user/pgp dealing stuff. pgp stuff is confusing me! - deactivate complete access (ssh disable?) to ensure savety (i have to reinstall the system by serverhoster-website if change needet) i want to lock out even myself.

Is this a practical idea to most easy set-up and let run without struggle? Please help, thanks.