bridge (pb): connection can be set to used either UNIX socket or TCP socket: all settings are to be put in `[DEFAULT]` section - `bridge_pb_connection_type` can be set to `unix_socket` or `socket` - for `socket`, `bridge_pb_host` and `bridge_pb_port` can be specified

You'll find install instructions in documentation (see doc/installation.rst).

If you need help, come the SàT official XMPP room: sat@chat.jabberfr.org or join us with a web browser via https://chat.jabberfr.org/converse.js/sat@chat.jabberfr.org