post_install() {
 sudo udevadm control --reload-rules  
 
  grep -q '^\s*[^#].*1a86/7523.*' "/lib/udev/rules.d/90-brltty-device.rules" 2>/dev/null &&\
   cat<<'EOL'
Found 1a86/7523 in /lib/udev/rules.d/90-brltty-device.rules. Possibly conflicting rules. To suppress the conflicting rule run:
  sudo ln -s /dev/null /etc/udev/rules.d/90-brltty-device.rules && sudo udevadm control --reload-rules
EOL


 cat<<'EOL'
Connect the RC device and run:   
  elitech-datareader --command devinfo /dev/elitechRC0
EOL
    
}
post_upgrade() {
    post_install
}