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To download Docker RPM packages for , you must access the official Docker repository specifically designed for Red Hat Enterprise Linux. While RHEL 8 was initially without dedicated x86_64 packages in the primary Docker RHEL directory, official support was added in 2023, allowing you to bypass the older method of using CentOS 7 or 8 packages. Step 1: Download Required RPM Packages

: If you are installing on an offline machine, use dnf download --resolve on a similar online system first to catch all sub-dependencies (like libcgroup ) that might be missing from your RHEL 8 base.

If you are in an air-gapped environment or need a manual installation, you must download the following five essential packages from the official Docker RHEL 8 Repository : (The container runtime) docker-ce (The Docker engine) docker-ce-cli (The command-line interface) docker-buildx-plugin (The build tool)

By default, Docker is installed but not started on RHEL. You must manually enable the service to ensure it starts upon system boot. sudo systemctl enable --now docker Use code with caution. Step 4: Verify the Installation

For standard internet-connected systems, you can simply add the repository to your package manager:

sudo dnf config-manager --add-repo https://download.docker.com/linux/rhel/docker-ce.repo Use code with caution. Step 2: Install the RPM Files