Re: Using gpsd

Thanks for the clarification.

On 3/19/24 20:43, James Clark wrote:
> On Wed, Mar 20, 2024 at 4:17 AM David Campbell <[email protected]> 
> wrote:
>
>     Also, the device path given by chrony is out of date and the one
>     given
>     by gpsd works: that is "/run/chrony.XXXX.sock" instead of
>     "/var/run/chrony.clk.XXXX.sock". If I am wrong about the paths, I
>     don't
>     know how chrony works, but only the former works for me.
>
>
> chrony.clk.XXX.sock is a new thing in gpsd 3.25: it gives you the time 
> from GPS serial messages (which is inaccurate but includes the time of 
> day); chrony.XXX.sock gives you the PPS information (which is 
> accurate, but does not tell you which second it is). See 
> https://gpsd.gitlab.io/gpsd/gpsd.html#_files
>
> On many recent Linux distros, /var/run is linked to /run.
>
> James