Installing EDB Postgres on Advanced Server on x86 (amd64) v11

For x86_64 (amd64) OS-specific install instructions, including accessing the repo, see:

• RHEL 8/OL 8
• Rocky Linux 8/AlmaLinux 8
• RHEL 7/OL 7
• CentOS 7
• SLES 15
• SLES 12
• Ubuntu 18.04
• Ubuntu 20.04
• Debian 10
• Debian 11