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https://stackoverflow.com/questions/2953081/how-can-i-write-a-heredoc-to-a-file-in-bash-script
https://www.tecmint.com/use-heredoc-in-shell-scripting/
cat << EOF > Filename.txt
---
---
---
EOF
tee abc.txt << EOF
- name: Testing Ansible
hosts: localhost
tasks:
- name: Echo Message
debug: msg="Ansible is working"
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https://stackoverflow.com/questions/64723019/what-is-difference-between-running-the-commands-ansible-and-ansible-playbook/64723156#64723156
Ansible scripts are called playbooks.
By definition
A playbook is a list of plays. A play is minimally a mapping between a set of hosts selected by a host specifier (usually chosen by groups but sometimes by hostname globs) and the tasks which run on those hosts to define the role that those systems will perform. There can be one or many plays in a playbook.
https://docs.ansible.com/ansible/latest/reference_appendices/glossary.html#term-plays
Then, you execute your playbooks with the command ansible-playbook, for example this command execute the playbook test.yml on all servers in your inventory file:
ansible-playbook test.yml -i inventory all
with ansible command you can execute just a tasks against your servers, for example this command execute a task with the module ping on all servers in your inventory file:
ansible -m ping -i inventory all
Then the difference is with ansible-playbook you can execute a playbook with a lot of tasks and with ansible you just can execute a task.
Welcome to ansible world. Red Hat offers an introductory course of ansible you can take it, It'll help you a lot.
https://www.redhat.com/en/services/training/do007-ansible-essentials-simplicity-automation-technical-overview
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https://geekflare.com/ansible-installation-windows/
ansible-playbook TestAnsible1.yml
ansible-playbook TestAnsible1.yml --connection=local
https://www.tutorialworks.com/ansible-run-playbook/#see-an-example-playbook
ansible-playbook -i hosts --extra-vars "person=Dave" site.yml
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