The "Mastering" guide specifically addresses these critical areas:
Understanding vacuuming operations, Write-Ahead Logs (WAL), and MVCC (Multi-Version Concurrency Control). Mastering PostgreSQL Administration - Bruce Mom...
Starting and stopping the postmaster, and managing data directory structures. Write-Ahead Logs (WAL)
For foundational concepts, his book PostgreSQL: Introduction and Concepts provides a detailed historical and technical overview of the system. Core Administration Topics Covered Mastering PostgreSQL Administration - Bruce Mom...
The official Mastering PostgreSQL Administration guide includes deep dives into installation, configuration, maintenance, monitoring, and recovery.
Configuring pg_hba.conf and managing user access.