Created Server Diagnostics / Troubleshooting (markdown)

Server-Diagnostics---Troubleshooting.md

@@ -0,0 +1,39 @@
+# Listen Status "Radicale"
+
+## Radicale started, it's listen on configured IP/ports
+- config section: `[server]`
+- config option: `hosts`
+
+Example:
+
+```
+netstat -nlpt |grep ":5232 "
+tcp        0      0 127.0.0.1:5232          0.0.0.0:*               LISTEN      4117/python3        
+tcp6       0      0 ::1:5232                :::*                    LISTEN      4117/python3       
+```
+
+# Connection test to internal web server (if enabled)
+
+- config section: `[web]`
+- config option: `type`
+
+Example:
+
+```
+curl http://localhost:5232/.web/
+```
+
+
+# Connection test to any existing calendar
+
+Successful result depends on auth and permission 
+- config section: `[auth]`
+- config option: `type`
+- config section: `[rights]`
+- config option: `type` + `file`
+
+Example:
+
+```
+curl http://localhost:5232/testcalendar/
+```