I have been trying to use Terminal to install an app via snap. It's my understanding that this is doable and that I needed an Ubuntu One account to login to the Snap store. So, I went off and made a U1 account and every time I attempt to log in I get a message that the password is incorrect. I then go to U1 and log in and it works fine. I am a absolute beginner in the Linux world but I know I'm not getting the password wrong.
I was using THIS as a guide:
Is there some documentation that someone can recommend?