OpenBSD

Configure your system to use M:Tier's binary package repository to get updates
Install the tor package:

# pkg_add tor

Put the configuration file /etc/tor/torrc in place (it exists already after you installed the tor package):

#change the nickname "myNiceRelay" to a name that you like
Nickname myNiceRelay
# Change the email address bellow and be aware that it will be published
ContactInfo tor-operator@your-emailaddress-domain
ORPort      443        # TRY USING A DIFFERENT PORT IF 443 DOES NOT WORK FOR YOU
ExitRelay   0
SocksPort   0
RunAsDaemon 1
DataDir     /var/tor
Log notice  syslog
User _tor

Enable/Start the service:

# rcctl enable tor
# rcctl start tor