# cd /boot/ ##Go wherever you want to place the netinstall, check lsblk for partition number.
# wget -c "http://archive.ubuntu.com/ubuntu/dists/xenial/main/installer-amd64/current/images/netboot/mini.iso"
Hit the 'ctrl-alt-delete' button in console to trigger a reboot.
'ctrl-alt-delete' button
When the vmware/grub screen comes up hit down a bunch to disable the timeout. Hit 'c' to enter grub console.
> loopback loop (hd0,1)/mini.iso ##/boot/ is the first partition, hence the 1, adjust accordingly, tab complete should work.
> linux (loop)/linux
> initrd (loop)/initrd.gz
> boot
Set it up however you like