This page has to be revised due to changes concerning gajim-remote.
Gajim package comes with a command, called gajim-remote with which you can execute remote actions.
will show/hide your roster.
Use this line:
and if you have unread message, a chat dialog containg one of the awaiting messages will popup.
The following settings are accessible via Advanced Configuration Editor.
You can turn off the ability to remote control Gajim. The setting you want to change is remote_control.
You can turn off the ability to use notification daemon (if there) notification popups. The setting you want to change is use_notif_daemon.