I have NFS enabled with shared folder mapped to my network, and I did replace the <your_ip_address> with the ip address of my server and replaced <your_nfs_export> with the proper location... but It still does not work...
This is my APPEND line:
initrd=clonezilla/2.3.2-22/live/x86_64/initrd.img boot=live union=aufs config noswap nolocales edd=on nomodeset ocs_live_run="ocs-live-general" ocs_live_extra_param="" keyboard-layouts="" ocs_live_batch="no" locales="" vga=788 nosplash noprompt netboot=nfs nfsroot=192.168.68.8:/clonezilla/2.3.2-22/live/x86_64