gpsd_instrumented.hotplug's Introduction

gpsd_instrumented.hotplug

gpsd_instrumented.hotplug is a /lib/udev/gpsd.hotplug file that is instrumented with logging statements.

How to use it

To use hotplug logging with gpsd:

1. Get a copy of this repository (requires that the git command had been installed on your system):
    
    git clone https://github.com/larsth/gpsd_instrumented.hotplug
    
2. Enter the directory (from the directory where you issued the above command):

    cd ./gpsd_instrumented.hotplug
    
3. Copy the shell script to /lib/udev/ (but only if the file doesn´t exists):

    sudo cp ./gpsd_instrumented.hotplug /lib/udev/gpsd_instrumented.hotplug
    
4. Change the owner to root, change the group to root, and change permissions:

    sudo chown root /lib/udev/gpsd_instrumented.hotplug && sudo chgrp root /lib/udev/gpsd_instrumented.hotplug && chown 554 /lib/udev/gpsd_instrumented.hotplug/lib/udev/gpsd_instrumented.hotplug

5. Inside /lib/udev/rules.d find the gpsd rules file:

    ls /lib/udev/rules.d/*-gpsd.rules
    
6. Now first create a backup:

    sudo cp /lib/udev/rules.d/N-gpsd.rules /root/lib_udev_rules.d_N-gpsd.rules;sync;sync
    - where you replace N with the *.rules file´s priority number.
    
7. Edit the /lib/udev/rules.d/N-gpsd.rules file.
    Everywhere you want logging, replace:
    
        RUN+="/lib/udev/gpsd.hotplug"
        
        with:
        
        RUN+="/lib/udev/gpsd_instrumented.hotplug"

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