add sudo

README.md

@@ -21,6 +21,18 @@ Or use the helper script, which creates/uses `.venv` automatically and runs `pip
 ./start.sh stop
 ```
 
+The script activates `.venv` inside the script process. If you also want your current shell prompt to show the venv, run:
+
+```bash
+source .venv/bin/activate
+```
+
+For UDP `514`, the script starts only the listener command with `sudo`:
+
+```bash
+FGAI_SYSLOG_PORT=514 ./start.sh
+```
+
 Analyze local logs:
 
 ```bash