refind-install(8) on Linux
The text 3846fa4386f3, as Debian 9 (Stretch) shipped it.
Install rEFInd to the ESP and create an NVRAM entry
Flags it lists
-
--alldrivers -
--keepname -
--localkeys -
--nodrivers -
--notesp -
--ownhfs -
--preloader -
--root -
--shim -
--usedefault -
--yes