[WhitePangolin]

Попробуйте по аналогии:

Код:

db# ls /usr/local/etc/rc.d | grep mysql
mysql-server
db# cat /usr/local/etc/rc.d/mysql-server | grep "_enable"
# mysql_enable (bool):  Set to "NO" by default.
: ${mysql_enable="NO"}
db# echo mysql_enable="YES" >> /etc/rc.conf