Dive Into Ansible - From Beginner to Expert in Ansible - Ansible Inventories

This video tutorial explores Ansible inventories, detailing their types, usage, and configuration. It covers connectivity setups for CentOS and Ubuntu hosts, using host and group variables, and managing inventories with host ranges. The tutorial also explains inventory formats like YAML and JSON, and demonstrates how to override variables using command line options. The course is structured with revisions for hands-on learning, offering both guided and self-directed approaches.

What is the primary purpose of Ansible inventories?

• To execute shell scripts

• To manage host configurations

• To store playbooks

• To create virtual machines

Which approach is more hands-on in the course structure?

• Watching video tutorials

• Creating examples from scratch

• Following pre-made examples

• Reading documentation

What is the default group that all hosts are automatically assigned to in Ansible?

• All

• Ubuntu

• None

• CentOS

How can you bypass the host key check in Ansible?

• By setting an environment variable

• By disabling SSH

• By using a VPN

• By using a different SSH client

What is the purpose of using 'become' in Ansible?

• To create new hosts

• To escalate user privileges

• To change the inventory format

• To update the Ansible version

What is the benefit of using host ranges in Ansible inventories?

• To simplify inventory management

• To improve performance

• To increase security

• To reduce network traffic

How can you specify a different SSH port for a host in Ansible?

• By changing the Ansible version

• By using a different SSH client

• By using a host variable

• By editing the SSH config file

Which file format is more strict, requiring hosts to be defined as null values?

• XML

• JSON

• YAML

• CSV

What command-line option can be used to override existing variables in the inventory?

• -i

• -c

• -v

• -e

What is the significance of the 'children' declaration in Ansible inventories?

• It updates the Ansible version

• It deletes old inventories

• It creates new users

• It allows for nested groups