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→Key Concepts when using Ansible
* Managed machine - a host that is configured by the control machine
* [[OPS435 Sample Ansible Hosts file|Hosts file]] - contains information about machines to be managed - click [[OPS435 Sample Ansible Hosts file | here]] for sample hosts file
* Idempotency - is an operation that, if applied twice to any value, gives the same result as if it were applied once.
* Ad hoc commands - a simple one-off task:
** <u><b>shell commands</b></u>
** ansible-playbook firstrun.yaml
== Hardware and software required
== Part 1: Installing Ansible on CentOS 7 ==
: You only need to install the "ansible" package on your control VM.
