Raspberry Pi 3B+ first time install. Used instructions exactly as //linuxhint.com/openmediavault_raspberry_pi_3/ and the addendum B "installing OMV on Raspberry Pi. All install followed without any errors. The combination username 'admin' and word 'openmediavault' returns "access denied". I can sign into the default 'pi' account in the same Putty session but not the OMV account. When I connect a display to the Pi directly, U get the correct IP address displayed and the message "By default the web control...……" It shows 'admin" and 'openmediavault' as the correct log in.
I am stuck.