install_updates_on_boot¶(boolean) --
Whether to install operating system and package updates when the instance boots. The default value is true . If this value is set to false , you must then update your instances manually by using CreateDeployment to run the update_dependencies stack command or manually running yum (Amazon Linux) or apt-get (Ubuntu) on the instances.
Note
We strongly recommend using the default value of true , to ensure that your instances have the latest security updates.