Hi, I had to reinstall windows so i lost the keys to my server (no password server, only ssh). I tried using the droplet web console but almost any command i send produce a "command not found" error. Any advices?

Hi, i've been fighting with my droplet for the last 2 days and a can't figure out what's happening because i'm new to VPS. Here's my problem: I created a droplet sing Ubuntu 16 32bits. I followed the next tutrorial ht...