This page explains the preparation of the sandbox environments for primary(chicago), standby(boston) and barman(cleveland)
This is a comprehensive and structured journey. I request that we strictly follow the defined sequence without skipping any sections. Each step is important, and maintaining order will ensure clarity, continuity, and depth of understanding.
Disclaimer: This guide is provided for educational purposes only and is not intended for production use. These steps were documented and tested in a controlled sandbox environment. Please exercise caution before applying any changes to a production system; the author assumes no responsibility for discrepancies or issues. Use at your own risk.

2-0-sandbox-configuration
2-1-hosts-setup
2-2-installing-repmgr-from-packages
2-3-preparing-cleveland-server(barman)
Lets Start from 2-0-sandbox-configuration .