Fog installer command line options

FOG 1.5 accepts a shorter list of installer options. It has no --install-mode, no --netboot-proto and no --boot-delay, and -S/--force-https still carries its pre-1.6 meaning there. 1.6 also records more of what you pass into .fogsettings.

Which version am I on?

Check FOG Configuration → FOG Settings → General → FOG_VERSION in the web UI, or the version string printed at the top of installfog.sh.