A step-by-step tutorial for setting up three Stellar Core validation nodes on Ubuntu 22.04, covering domain configuration, PostgreSQL setup, and Stellar Core installation with example configuration files.
This tutorial provides a practical guide for operators to set up three Stellar Core validation nodes within approximately 15 minutes (excluding synchronization time). It covers prerequisites including three Ubuntu 22.04 servers, domain name setup, and Stellar account creation. The guide walks through domain configuration, PostgreSQL database setup, Stellar Core installation from the SDF repository, and detailed configuration of the stellar-core.cfg file. It includes a complete example configuration with validator entries from established network participants like SDF, Blockdaemon, SatoshiPay, LOBSTR, and Lightsail Network. The tutorial emphasizes the importance of selecting diverse validators for network decentralization and references StellarBeat for discovering suitable validator nodes.