HOSTS += metalzone
HOSTS += vampire
+
+ROOT = become root
+
+## Installation.
+install: all
+ firewall_script=./`hostname`.sh && \
+ firewall_failsafe=/etc/init.d/firewall && \
+ export firewall_script firewall_failsafe && \
+ $(ROOT) ./$$firewall_script
+ for i in $(HOSTS); do \
+ $(ROOT) scp $$i.sh $$i:/etc/init.d/firewall; \
+ done