post_install()
{
   systemctl enable watchdog
   systemctl start watchdog
}

pre_upgrade()
{
   systemctl stop watchdog
}

post_upgrade()
{
  sed -e 's|.*interval.*=.*|interval = 20|' -i  /etc/watchdog.conf
  systemctl enable watchdog
  systemctl start watchdog
}

pre_remove()
{
  systemctl stop watchdog
}

post_remove()
{
  systemctl disable watchdog
}

