PREUN
/bin/sh
if [ $1 -eq 0 ] ; then # Package removal, not upgrade systemctl --no-reload disable openstack-nova-novncproxy.service > /dev/null 2>&1 || : systemctl stop openstack-nova-novncproxy.service > /dev/null 2>&1 || : fi
POSTUN
/bin/sh
systemctl daemon-reload >/dev/null 2>&1 || : if [ $1 -ge 1 ] ; then # Package upgrade, not uninstall systemctl try-restart openstack-nova-novncproxy.service >/dev/null 2>&1 || : fi