✔️ 핸들러 (Handler) Handlers: running operations on change — Ansible Documentation Sometimes you want a task to run only when a change is made on a machine. For example, you may want to restart a service if a task updates the configuration of that service, but not if the configuration is unchanged. Ansible uses handlers to address this u docs.ansible.com 핸들러란 무엇이며 우리는 왜 핸들러를 사용할까 ? /etc/httpd/conf/..