fix

update-lxc-single-container.sh

@@ -9,6 +9,11 @@ function stop_container() {
     echo -e $(date) "- ${BGreen}Container ${1} stopped${Color_Off}"
 }
 
+if [[ $1 == '' ]]; then
+    echo "use $0 container-name"
+    exit
+fi
+
 echo $(date) "- Start updating $1 LXC container..."
 status=$(lxc info microk8s | grep Status | cut -d' ' -f 2)