How to check the syntax of a =dhcpd.conf= file
Sometimes it is very usefull to check the syntax befor just make a killall -HUP.
dhcpd -t -cf /path/to/dhcpd.conf
does the job
In a script you would like to use
dhcpd -t -cf /path/to/dhcpd.conf && killall -HUP dhcpd