The following bug has been logged on the website:
Bug reference: 15441
Logged by: - -
Email address: frank.buettner@mdc-berlin.de
PostgreSQL version: 11.0
Operating system: CentOS
Description:
Using https://yum.postgresql.org/repopackages.php#pg11 to install PostgreSQL
will fail, because the base package "pgdg-centos11-11-2.noarch.rpm" are not
found on the server.
https://download.postgresql.org/pub/repos/yum/11/redhat/rhel-7-x86_64/
Will only contains the pgdg-* packages for RHEL.
The packages for CentOS, Oracle Linux and Scientific Linux are missing.