Howto: Booting VMs via iPXE HTTP(s) on unmanaged networks

[lzap]

Hello,

I updated Chainbooting virtual machines on our wiki with unmanaged DHCP option.

https://projects.theforeman.org/projects/foreman/wiki/Fetch_boot_files_via_http_instead_of_TFTP#C-Chainbooting-virtual-machines

Just in case someone want to review or comment.