git clone https://github.com/souhaiebtar/k810_conf
cd k810_conf
gcc -o k810-conf k810_conf.c
(some error will be thrown)
sudo mv k810-conf /usr/local/bin
sudo k810-conf -d /dev/
grep -H "Logitech K810" /sys/class/hidraw/hidraw*/device/uevent | cut -d/ -f 5-f on
orsudo k810-conf -d /dev/
grep -H "Logitech K810" /sys/class/hidraw/hidraw*/device/uevent | cut -d/ -f 5-f off
http://www.trial-n-error.de/posts/2012/12/31/logitech-k810-keyboard-configurator
Mario Scholz's Logitech K810 configurator - Used for RPM packaging