https://help.ubuntu.com/community/PXEInstallServer
$ sudo apt install inetutils-inetd tftpd-hpa
Configure the settings $ sudo nano /etc/default/tftpd-hpa Add these lines to the config
#Defaults for tftpd-hpa
RUN_DAEMON="yes"
OPTIONS="-l -s /var/lib/tftpboot"
Restart the daemon $ sudo systemctl restart tftpd-hpa.service
Install DHCP server $ sudo apt-get install isc-dhcp-server
Configure DHCP settings $ sudo nano /etc/dhcp/dhcpd.conf Add these lines to your config
subnet 192.168.0.0 netmask 255.255.255.0 {
range 192.168.0.100 192.168.0.200;
filename "pxelinux.0";
}
Restart DHCP server $ sudo systemctl restart isc-dhcp-server
$ sudo nano /etc/inetd.conf Insert this line into the config:
tftp dgram udp wait root /usr/sbin/in.tftpd /usr/sbin/in.tftpd -s /var/lib/tftpboot
Copy the desired bootable image $ sudo cp -r /media/cdrom/install/netboot/* /var/lib/tftpboot/