When i input " :wq " for save the file inno_config.py i get error "READ ONLY FILE" and i can't save the changes. Any solution?
The sudo command allows you to override the permissions of the file 550 (rxrx-).
":wq" won't override but ":w!" will.
Note that the purpose of the "!" is to 'force' your command "w".
":wq" doesn't include the 'force' modifier.