Part I. Preparing the RHEL installation

Essential steps for preparing a RHEL installation environment addresses system requirements, supported architectures, and offers customization options for installation media. Additionally, it covers methods for creating bootable installation media, setting up network-based repositories, and configuring UEFI HTTP or PXE installation sources. Guidance is also included for systems using UEFI Secure Boot and for installing RHEL on 64-bit IBM Z architecture.