initial

boot.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+#notify on reboot
+
+. func.sh
+send "Server%20started."

bot.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# the main bot script
+
+#hdd usage
+used=$(df --output=pcent /dev/sda3 | tail -1 | grep -Po "(\\d+)" --color=never)
+if [ "$used" -gt 50 ]; then
+	. func.sh
+	echo "warn!"
+	send "warnung%20server%20used%20$used%25%20of%20the%20storage!"
+fi

func.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+token="APItoken"
+userid="usernameorid"
+
+#1. arg = text
+send() {
+	echo "Sending $1 to ${userid}"
+	curl -s "https://api.telegram.org/bot${token}/sendMessage?chat_id=${userid}&text=$1" > /dev/null
+}