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/usr/sbin/post_service openstack-nova-console /usr/sbin/post_service openstack-nova-consoleauth /usr/sbin/post_service openstack-nova-xvpvncproxy
/usr/sbin/preun_service openstack-nova-console /usr/sbin/preun_service openstack-nova-consoleauth /usr/sbin/preun_service openstack-nova-xvpvncproxy