if [[ ! $cmd ]]; then
e "removing pxe for $host on tarantula"
ssh tarantula.office.fsf.org bash -e <<EOF
-sed -ri 's/^( *host +$host *\{).*/\1/' /etc/dhcp3/dhcpd.conf
-/etc/init.d/dhcp3-server restart
+sed -ri 's/^( *host +$host *\{).*/\1/' /etc/dhcp/dhcpd.conf
+systemctl restart isc-dhcp-server
EOF
elif [[ $cmd == fai ]]; then
e "adding pxe for $host on tarantula"
ssh tarantula.office.fsf.org bash -e <<EOF
-sed -ri 's/^( *host +$host *\{).*/\1 next-server faiserver.office.fsf.org; filename "pxelinux.0";/' /etc/dhcp3/dhcpd.conf
-/etc/init.d/dhcp3-server restart
+sed -ri 's/^( *host +$host *\{).*/\1 next-server faiserver.office.fsf.org; filename "pxelinux.0";/' /etc/dhcp/dhcpd.conf
+systemctl restart isc-dhcp-server
EOF
fi
else