1- create the DHCP server file:/etc/dhcpd.conf
2-
...
create the TFTP server file: /etc/xinetd.d/tftp
3- service dhcpd restart ( dhcpd)
4- service xinetd restart ( for tftp server )
5- create the ztp.sh script
5- create the ztp.sh script
https://github.com/Juniper/junosautomation/blob/master/ztp/ztp.sh