post_install() {
  groupadd sixad &> /dev/null 
  chown -R root:sixad /var/lib/sixad/
  chmod 775 -R /var/lib/sixad/
  echo "You may need to add your user in sixad's group in order to use QTSixa"
  echo "'sudo usermod -a -G sixad username'"
}
 
post_upgrade() {
  groupadd sixad &> /dev/null 
  chown -R root:sixad /var/lib/sixad/
  chmod 775 -R /var/lib/sixad/
  echo "You may need to add your user in sixad's group in order to use QTSixa"
  echo "'sudo usermod -a -G sixad username'"
}