Create multiple Postgres instances on same machine

Question

To test streaming replication, I would like to create a second Postgres instance on the same machine. The idea is that if it can be done on the test server, then it should be tr

Answer 1

On Debian based distros you could use pg_createcluster instead of initdb:

$ pg_createcluster -u [user] -g [group] -d /path/to/data -l /path/to/log -p 5433

Also pg_ctlcluster is an alternative to pg_ctl.