http://jjz5ajknu5rku4p6xb6i5xwjnp3nd6c3jwi2qnzbpaodyf7g2lja.b32.i2p/docs/misc/index.html
For example,
to run the httpd(8) server on startup on port 8080,
set in /etc/rc.conf : httpd=YES
httpd_flags='-I 8080' /etc/rc.local is a script that is run
as the final part of the boot process, after all networking interfaces,
daemons, and everything else is already configured. Custom commands
can also be added to this file to run them on startup. Running periodic tasks The typical way to run periodic tasks on a Unix system is to
use cron(8) .