If you are on a windows pc, you will need to use putty. If you are on a mac, you can open up a terminal and type in “ssh root@192.168.81.1”. Putty would be similar for windows. You say you can access the webpage? What does the webpage provide you?
On windows it is going to be slightly trickier as the .tgz format is a tarred gzip file (widely used on unix). I may be wrong (not a big windows user myself) but Winzip may be able to handle the extract? Or something like Winrar?
PW finally worked, but there was a zwave appliance controller that I see still exists, and also, the firmware and new name I gave the veralite is still present.
I guess it didn’t properly reset.
Do you press the reset button on the veralite just once?