direktno u rails konzoli setovao:
>> hernad = User.find(1)
=> #<User id: 1, login: "hernad", email: "hernad@bring.out.ba", crypted_password: "089xxxxxxxxxxxxxxxf2d", salt: "9aa8b035xxxxxxxxxxxxxx932b72a6", created_at: "2009-06-01 15:16:06", updated_at: "2010-01-09 09:04:02", remember_token: nil, remember_token_expires_at: nil, activation_code: nil, activated_at: "2009-06-01 15:16:53", ssh_key_id: nil, fullname: "Ernad Husremović", url: nil, identity_url: "http://openid.bring.out.ba/hernad", is_admin: false, suspended_at: nil, aasm_state: "terms_accepted", public_email: true, wants_email_notifications: true, password_key: nil, avatar_file_name: nil, avatar_content_type: nil, avatar_file_size: nil, avatar_updated_at: nil>
>> hernad.is_admin = true
=> true
>> hernad.save
=> true