How to Install PostgreSQL 12 on CentOS 8 RHEL 8

How to Install PostgreSQL 12 on CentOS 8 RHEL 8
use yum or dnf
yum update

yum list postgresql-server
yum install postgresql-server

yum module disable postgresql
yum list postgresql12-server
yum install postgresql12-server

postgresql-setup --initdb
or
/usr/pgsql-12/bin/postgresql-12-setup initdb

systemctl enable postgresql
systemctl start postgresql
systemctl status postgresql

su postgres
psql

[pankajattri]

Could you please share me the log path of postgresql service. Where I can rectify the issue.