Re: gpsd and systemd on buster

[john doe <johndoe65534@mail.com>]

On 9/19/2019 7:42 PM, Charles Curley wrote:
> The stock gpsd package runs fine on buster. The default is that it only
> listens on the loopback interface. I would like it to listen on other
> interfaces so that other computers can monitor the GPS data. The gpsd
> list has been less than enlightening.
>
> (Warning: long lines ahead. Your mail client may wrap them into utter
> unreadability.)
>
> I did find
> https://stackoverflow.com/questions/42240757/access-gpsd-port-2947-over-network,
> and implemented the first solution, the over-ride in gpsd.socket. That
> did not work, in fact local clients were blocked from the daemon as
> well as remote clients.
>
> I then backed out those changes, and re-enabled my prior setup:
>
>     [Unit]
>     Description=GPS (Global Positioning System) Daemon Sockets
>
>     [Socket]
>     ListenStream=/var/run/gpsd.sock
>     ListenStream=[::1]:2947
>     # ListenStream=127.0.0.1:2947
>     ListenStream=0.0.0.0:2947
>     SocketMode=0600
>     # BindIPv6Only=ipv6-only
>
>     # # per https://stackoverflow.com/questions/42240757/access-gpsd-port-2947-over-network
>     # # First blank ListenStream clears the system defaults
>     # ListenStream=
>     # ListenStream=2947
>     # ListenStream=/var/run/gpsd.sock
>
>
>     [Install]
>     WantedBy=sockets.target
>
> With the old configuration re-enabled, I can now get a connection from
> a remote client. This makes no sense.
>
> I made all changes effective with:
>
>     systemctl daemon-reload
>     systemctl restart gpsd
>
> And if necessary, re-plugging the GPS receiver.
>
>
> In addition, I also found out that running "systemctl disable gpsd"
> does not in fact disable it:
>
>     root@hawk:/etc/systemd/system# systemctl stop gpsd ; systemctl disable gpsd ; systemctl status gpsd
>     Warning: Stopping gpsd.service, but it can still be activated by:
>       gpsd.socket
>     Synchronizing state of gpsd.service with SysV service script with /lib/systemd/systemd-sysv-install.
>     Executing: /lib/systemd/systemd-sysv-install disable gpsd
>     insserv: warning: current start runlevel(s) (empty) of script `gpsd' overrides LSB defaults (2 3 4 5).
>     insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `gpsd' overrides LSB defaults (0 1 6).
>     insserv: warning: current start runlevel(s) (empty) of script `gpsd' overrides LSB defaults (2 3 4 5).
>     insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `gpsd' overrides LSB defaults (0 1 6).
>     ● gpsd.service - GPS (Global Positioning System) Daemon
>        Loaded: loaded (/lib/systemd/system/gpsd.service; disabled; vendor preset: enabled)
>        Active: active (running) since Thu 2019-09-19 11:23:50 MDT; 515ms ago

This is expected, 'desable' will prevent the service from starting at boot.
To kill a service you need to use 'stop'.:

$ systemctl stop <SERVICE-NAME>

--
John Doe