https://www.postgresql.org/docs/12/warm-standby.html#STANDBY-SERVER-SETUP I tried (and failed) to set up a standby server using these directions. I probably mistyped something.
I figured out from someone’s blog (https://www.percona.com/blog/2019/10/11/how-to-set-up-streaming-replication-in-postgresql-12/0 that pg_basebackup exists and makes the process must simpler. I recommend 26.2.4 to at least mention the pg_basebackup method ---- Gerard Weatherby | Application Architect NMRbox | Department of Molecular Biology and Biophysics | UConn Health 263 Farmington Avenue, Farmington, CT 06030-6406 Phone: 860 679 8484 uchc.edu<http://uchc.edu>