`pg_createcluster` - create a new PostgreSQL cluster (postgresql-common)

pg_createcluster [OPTIONS] <version> <cluster name> [-- <initdb options>]

Options you will use

-p, --port=PORT: port for the new cluster.
-d, --datadir=DIR: data directory (default /var/lib/postgresql/<version>/<cluster>).
-u, --user=USER: cluster owner (default postgres).
--start: start the cluster after creating it.
--start-conf=auto|manual|disabled: start.conf value.
-e, --encoding=ENCODING: database encoding.
--locale=LOCALE: locale for the new cluster.

Examples

$ sudo pg_createcluster 18 replica -p 5433

a second cluster on port 5433

$ sudo pg_createcluster 18 pitr -d /var/lib/postgresql/18/pitr -p 5433

adopt a restored data directory

Taught in

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