nc-init: update echo at end when init done. (#738)

install.sh

@@ -53,9 +53,19 @@ install_script  ncp.sh
 activate_script etc/ncp-config.d/nc-init.sh
 
 popd
+
+IFACE="$( ip r | grep "default via" | awk '{ print $5 }' | head -1 )"
+IP="$( ip a show dev "$IFACE" | grep global | grep -oP '\d{1,3}(.\d{1,3}){3}' | head -1 )" 
+
 echo "Done.
 
-Type 'sudo ncp-config' to configure NCP, or access ncp-web on https://<this_ip>:4443
+First: Visit https://$IP/  https://nextcloudpi.local/ (also https://nextcloudpi.lan/ or https://nextcloudpi/ on windows and mac)
+to activate your instance of NC, and save the auto generated passwords. You may review or reset them
+anytime by using nc-admin and nc-passwd.
+Second: Type 'sudo ncp-config' to further configure NCP, or access ncp-web on https://$IP:4443/
+Note: You will have to add an exception, to bypass your browser warning when you
+first load the activation and :4443 pages. You can run letsencrypt to get rid of
+the warning if you have a (sub)domain available.
 "
 
 exit 0