#### in /etc/rc.local, put this line:

/bin/su minetest -c "/home/minetest/minetestserver-survival.sh" &

#### then make this script (change the name above to match whatever you save the below as):

#!/bin/bash

cd /home/minetest

while true
	do
	sleep 1
	/usr/bin/minetestserver \
		--worldname Survival_World \
		--config /home/minetest/.minetest/minetest-server-survival.conf \
		--gameid vanessae_game \
		--port 30001 --disable-unittests \
		--logfile '/home/minetest/.minetest/debug-survival.txt'
done