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1. For CentOS 7.x, CentOS 8.x:

   Code Block
   sudo /usr/pgsql-9.6/bin/postgresql96-setup initdb

2. For CentOS 7.x - PostgreSQL 12.3:

   Code Block
   sudo /usr/pgsql-12/bin/postgresql12-setup initdb

3. For RHEL 7.x, RHEL 8.x:

   Code Block
   sudo /usr/pgsql-9.6/bin/postgresql96-setup initdb

4. For RHEL 7.x - PostgreSQL 12.3:
   

   D beta

   Code Block
   sudo /usr/pgsql-12/bin/postgresql12-setup initdb

5. For Ubuntu 16.04 / 18.04:

   Code Block
   pg_createcluster -d /var/lib/postgresql/9.6/main 9.6 main

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