pgBackRest TLS server mode for a primary-standby setup with a repository host

The TLS server provides an alternative to using SSH for protocol connections to remote hosts. In this demo setup, the repository host is named backup-srv, and the two PostgreSQL nodes participating in Streaming Replication are pg1-srv and pg2-srv. All nodes run on AlmaLinux 10. If you’re familiar with Vagrant, here is a simple Vagrantfile that provisions three virtual machines using these names: #…