How do I access hass.io via ssh?

I need to modify the config file of my hass.io instance on my rpi3. How do I access the file via the ssh command line.

Add the ssh addon.

its added but when i do ssh [email protected] (or ip), im asked for a password that i dont have. Ive tried my rpi password, the raspberry keyword, the password keyword and none work.

Look at the config in the ssh addon. The password you set is there.