diff --git a/README.md b/README.md
index b08b365..b301768 100644
--- a/README.md
+++ b/README.md
@@ -73,3 +73,11 @@ Confirm `/etc/zabbix/*` files are owned by `zabbix:zabbix`.
 sudo systemctl restart zabbix-agent2
 sudo systemctl status zabbix-agent2
 ```
+
+## Fault finding
+
+`vcgencmd measure_temp`
+
+`vcgencmd commands`
+
+`cd ~/crowsnest/bin/camera-streamer/tools/`
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