Ansible inventories, playbooks, modules, roles, variables, handlers, idempotency, Vault and Galaxy.
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- What is an Ansible inventory?
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A file listing all managed hosts and groups that Ansible can connect to and manage- Where is the default Ansible inventory file located?
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/etc/ansible/hosts- What is the INI format for Ansible inventory?
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A format using square brackets for group names and listing hosts line by line, optionally with key=value variables- What is the YAML format for Ansible inventory?
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A hierarchical format using all as root, groups as keys with hosts sub-key containing host entries- In Ansible, what is a group in an inventory file?
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A logical collection of hosts that can be targeted together in a playbook- How do you specify a custom inventory file when running a playbook?
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Use the -i flag followed by the path: ansible-playbook -i /path/to/inventory playbook.yml- What is an Ansible playbook?
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A YAML file containing one or more plays that define tasks to execute on managed hosts- What are the main components of a playbook?
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Plays, which contain hosts to target and tasks to execute on those hosts- In what order are tasks executed in an Ansible playbook?
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Sequentially from top to bottom, on all hosts before moving to the next task- What does the hosts keyword specify in an Ansible play?
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The target hosts or group of hosts on which the play will execute tasks- What is an Ansible module?
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A standalone script or program that performs a specific task, such as copying files or managing services- What does it mean for an Ansible module to be idempotent?
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Running the module multiple times with the same parameters produces the same result without unintended changes- What is the purpose of the Ansible copy module?
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To copy files from the control node to managed hosts- What is the purpose of the Ansible service module?
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To manage system services, such as starting, stopping, or enabling services- Is the Ansible command module idempotent?
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No, the command module runs the specified command every time, even if the result is unchanged
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