Add a random delay before duckdns request

Author: Seppo Enarvi

duck/duck.sh

@@ -3,4 +3,8 @@
 DOMAINS="YOUR_DOMAINS"
 # Your DuckDNS Token
 DUCKDNS_TOKEN="YOUR_DUCKDNS_TOKEN"
-curl -k -o /var/log/duck.log "https://www.duckdns.org/update?domains=${DOMAINS}&token=${DUCKDNS_TOKEN}&ip="
+
+# A random delay to avoid every client contacting the duckdns server at the same moment
+sleep $((RANDOM % 30))
+# Request duckdns to update your domain name with your public IP address
+curl --silent --max-time 10 --output /dev/null "https://www.duckdns.org/update?domains=${DOMAINS}&token=${DUCKDNS_TOKEN}&ip="