ssh=<pw> - Start ssh server and set password of user grml to pw
services=<1,2,3> - Execute /etc/init.d/{1,2,3} start
-console=ttyS0,9600n8 - Initialise seriell console
-secure - Boot only restricted clients (without root permissions)
-startx - Boot into X (should be used with secure)
+console=ttyS0,9600n8 - Initialise serial console
+startx - Boot into X
"