PostgreSQL 10 Master-Slave Replication on VirtualboxPreparationsNeeds to download tools[Virtualbox](https://www.virtualbox.org/)[Vagrant](https://www.vagrantup.com/)Discover Vagrant Boxes - Linux[Ubuntu 18.04.4 LTS](https://app.vagrantup.com/boxes/search)Two Vagrant boxesMaster IP:  192.168.33.11  –  read/writeSlave IP:   192.168.33.22   –  read-onlyPostgres Master ConfigurationDownload and ins...