PXE Network Boot #Preboot Execution Environment, used to load operating system over a network connection. #PXE network boot is achieved through several network protocols, which includes: TFTP, DHCP,IP,HTTP/NFS, etc. #Now lets begin building our environment(here I used ubuntu(Focal) as my pxe-server). #STEP 1 :) #First lets install the required packages: sudo apt-get install isc-dhcp-server tftpd-hpa syslinux pxelinux apache2 -y #Download the ISO file as well.(here I tried to install ubuntu-server(20.04) over network.) #here syslinux is for the bios files, pxelinux for the pxelinux.0 file. #STEP 2 :) #Configure tftp base folder: mkdir /tftpboot rsync -av /usr/lib/syslinux/modules/bios/{menu.c32,libutil.c32,ldlinux.c32,libcom32.c32} /tftpboot mkdir /tftpboot/pxelinux.cfg touch /tftpboot/pxelinux.cfg/default mkdir /tftpboot/ubuntu mount -o loop,ro /PATH_TO_ISO /tftpboot/ubuntu #add this in /etc/fstab - so that the mount persists reboot. /PATH_TO_ISO /tftpboot/ubuntu ...