HW: 2 nic device

OS: Ubuntu server 17.10

apt install bash debootstrap schroot syslinux nfs-kernel-server tftpd-hpa xorriso pigz  zfsutils-linux

Optional config

apt install isc-dhcp-server 

network config nano /etc/netplan/01-netcfg.yaml

# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
  version: 2
  renderer: networkd
  ethernets:
    ens3:
      dhcp4: no
      addresses: [10.1.22.2/24]
      gateway4: 192.168.122.1
      nameservers:
        addresses: [8.8.8.8,8.8.4.4]
    ens4:
      dhcp4: yes

zpool create livenet /dev/sdb

zfs create livenet/images

zfs create livenet/boot

Download package git clone https://github.com/scipioni/livenet-server.git edit /etc/default/livenet like this

# folder that contains livenet system
BASE=/livenet
IMAGES=${BASE}/images
BOOT=${BASE}/boot

edit /etc/default/tftp-hpa

TFTP_USERNAME="tftp"
TFTP_DIRECTORY="/zfsp_livenet/boot"
TFTP_ADDRESS="0.0.0.0:69"
TFTP_OPTIONS="--secure"

Editare la riga in

/etc/default/isc-dhcp-server

INTERFACESv4="ens3"

editare il file /etc/dhcp/dhcpd.conf al termine service isc-dhcp-service restart

ddns-update-style none;
authoritative;

option domain-name              "livenet";
option domain-name-servers      8.8.8.8;

allow bootp;
allow booting;
 
option space PXE;
# Code 1: Multicast IP address of bootfile
option PXE.mtftp-ip code 1 = ip-address;
# Code 2: UDP port that client should monitor for MTFTP responses
option PXE.mtftp-cport code 2 = unsigned integer 16;
# Code 3: UDP port that MTFTP servers are using to listen for MTFTP requests
option PXE.mtftp-sport code 3 = unsigned integer 16;
# Code 4: Number of secondes a client must listen for activity before trying
#         to start a new MTFTP transfer
option PXE.mtftp-tmout code 4 = unsigned integer 8;
option PXE.mtftp-delay code 5 = unsigned integer 8;
# Code 5: Number of secondes a client must listen before trying to restart
#         a MTFTP transfer
option PXE.discovery-control code 6 = unsigned integer 8;
option PXE.discovery-mcast-addr code 7 = ip-address;
set vendor-string = option vendor-class-identifier;

class "PXE" {
   match if substring(option vendor-class-identifier, 0, 9) = "PXEClient";
   option vendor-class-identifier "PXEClient";
   vendor-option-space PXE;
   option PXE.mtftp-ip 0.0.0.0;
}

class "Etherboot" {
   match if substring(option vendor-class-identifier, 0, 9) = "Etherboot";
   option vendor-class-identifier "Etherboot";
   vendor-option-space PXE;
   option PXE.mtftp-ip 0.0.0.0;
}

class "LIVENET" {
    match if (substring(option vendor-class-identifier,0,7) = "LIVENET") or (substring(option vendor-class-identifier,0,9) = "PXEClient") or (substring(option vendor-class-identifier,0,9) = "Etherboot");
    log ( info, "Packet from PXE or LIVENET client");
}

shared-network "clients" {
  subnet 10.1.22.0 netmask 255.255.255.0 {
  option subnet-mask 255.255.255.0;
  option routers 10.1.22.2;
  #default-lease-time 28800;
  #max-lease-time 86400;

  pool {
      # restringe il lease solo alla classe LIVENET
      allow members of "LIVENET";
      range 10.1.22.10 10.1.22.100;
      filename "/pxelinux.0";
      next-server 10.1.22.2;
      }
  }
}