postinst is in libapache2-mod-auth-radius 1.5.8-1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | #!/bin/sh -e
reload_apache() {
	if apache2ctl configtest 2>/dev/null; then
		invoke-rc.d apache2 force-reload || true
	else
		echo "Your apache2 configuration is broken, so we're not restarting it for you."
	fi
}
if [ -n "$2" ]; then
# we're upgrading. test if we're enabled, and if so, restart to reload the module.
	if [ -e /etc/apache2/mods-enabled/auth_radius.load ]; then
		reload_apache
	fi
        exit 0
elif [ -e /etc/apache2/apache2.conf ]; then
# we're not upgrading, so enable the module, but hide a2enmod's misleading
# message about apachectl and force-reload the thing ourselves.
        a2enmod auth_radius >/dev/null || true
	reload_apache
fi
exit 0
 |