Once you have enabled SSH access, the Users tab will allow you to change your SSH password. You do not need to know your old SSH password to do this. To change your password use the following steps:
Enter your new password in the box provided. It must be six (6) or more characters long, and cannot be the same as your WebsiteOS password. Note: password is case-sensitive.
Type your password again in the confirmation box provided. Click "Apply".
Your password has now been changed.