How to Install Red Hat Enterprise Linux 7 from ISO Image File
How to Download and Install Red Hat Enterprise Linux 7 for Free
Introduction
Red Hat Enterprise Linux (RHEL) is one of the most popular and widely used Linux distributions in the enterprise world. It offers a stable, secure, and high-performance platform for running various applications and workloads across hybrid cloud environments. It also provides a consistent user experience and a rich set of tools for managing and automating your IT infrastructure.
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What is Red Hat Enterprise Linux 7?
Red Hat Enterprise Linux 7 is the latest major release of RHEL, which was launched in June 2014. It is based on the Linux kernel version 3.10 and supports several architectures, including x86_64, ARM64, IBM Power Systems, and IBM Z. It has a 10-year life cycle, followed by an extended life phase for additional support.
Why choose Red Hat Enterprise Linux 7?
There are many reasons to choose RHEL 7 for your enterprise servers, such as:
It has built-in security features, such as SELinux, firewalld, and cryptographic policies, to help you protect your data and comply with regulations.
It has a flexible subscription model that allows you to use RHEL on any platform, whether it is bare metal, virtual machine, container, or cloud.
It has access to a large ecosystem of certified hardware, software, and cloud providers, as well as thousands of knowledge articles and technical support from Red Hat experts.
It has innovative features, such as Red Hat Software Collections, Red Hat Developer Toolset, and Red Hat Universal Base Image, to help you develop and deploy modern applications using the latest technologies.
It has a streamlined migration process that helps you upgrade from previous versions of RHEL or other Linux distributions with minimal downtime and risk.
Downloading Red Hat Enterprise Linux 7
Prerequisites
To download RHEL 7 ISO image file, you need to have:
A Red Hat subscription or a free evaluation subscription from the Software & Download Center at .
A computer with internet access and enough disk space to store the ISO image file (about 4 GB).
A DVD burner or a USB flash drive (at least 8 GB) to create the installation media.
Steps to download the ISO image file
Follow these steps to download RHEL 7 ISO image file from the Red Hat Customer Portal:
Visit the Customer Portal at . If you are not logged in, click LOG IN on the right side of the page. Enter your account credentials when prompted.
Click DOWNLOADS at the top of the page.
Click Red Hat Enterprise Linux . Ensure that you select the appropriate Product Variant and Architecture for your installation target. By default, Red Hat Enterprise Linux Server and x86_64 are selected.
A list of available downloads is displayed; most notably, a minimal Boot ISO image and a full installation Binary DVD ISO image. Choose the image that best suits your needs. For this article, we will use the Binary DVD ISO image, which contains all the packages and software for a complete installation.
Click Download Now to start the download. You can also use a download manager or a command-line tool, such as wget or curl, to download the file. The file name is rhel-server-7.9-x86_64-dvd.iso.
Wait for the download to finish. You can verify the integrity of the downloaded file by comparing its checksum with the one provided on the download page.
Installing Red Hat Enterprise Linux 7
Choosing the installation media
Once you have downloaded the RHEL 7 ISO image file, you need to create a bootable installation media from it. You can use either a DVD or a USB flash drive for this purpose. The steps to create the installation media vary depending on your operating system and the tool you use. Here are some examples:
If you are using Windows, you can use a tool like Rufus or Etcher to write the ISO image file to a USB flash drive. Alternatively, you can use a tool like ImgBurn or CDBurnerXP to burn the ISO image file to a DVD.
If you are using Linux, you can use a command-line tool like dd or cp to write the ISO image file to a USB flash drive. Alternatively, you can use a graphical tool like Brasero or K3b to burn the ISO image file to a DVD.
If you are using macOS, you can use a command-line tool like dd or cp to write the ISO image file to a USB flash drive. Alternatively, you can use the built-in Disk Utility or a third-party tool like Burn to burn the ISO image file to a DVD.
Booting the installation program
After creating the installation media, you need to boot your computer from it. The steps to do this vary depending on your computer's BIOS or UEFI settings and the type of installation media you use. Here are some general steps:
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Insert the installation media into your computer's DVD drive or USB port.
Restart your computer and press the appropriate key to enter the BIOS or UEFI menu. The key may vary depending on your computer's manufacturer and model, but it is usually one of the following: F2, F10, F12, Esc, or Del.
Navigate to the boot order or boot priority settings and select the installation media as the first boot option. Save and exit the BIOS or UEFI menu.
Your computer should now boot from the installation media and display the Red Hat Enterprise Linux 7 boot menu. You can choose from several options, such as Install Red Hat Enterprise Linux 7.9, Test this media & install Red Hat Enterprise Linux 7.9, Troubleshooting, and Rescue a Red Hat Enterprise Linux system. For this article, we will choose Install Red Hat Enterprise Linux 7.9.
Configuring the installation options
The installation program will guide you through several steps to configure your RHEL 7 installation. You can customize various aspects of your system, such as language, keyboard layout, time zone, network settings, disk partitioning, software selection, security policy, and user accounts. Here are some of the most important steps:
Select your language and click Continue.
The Installation Summary screen will appear. Here you can review and modify various installation options by clicking on each item.
Click on Installation Destination to choose where to install RHEL 7. You can select one or more disks and configure how they will be partitioned. You can use automatic partitioning or manual partitioning. For this article, we will use automatic partitioning with LVM (Logical Volume Manager) and accept the default settings.
Click on Software Selection to choose what software packages and environments to install on your system. You can select from several predefined base environments, such as Minimal Install, Server with GUI, Workstation, or Custom Operating System. You can also select additional add-ons for each base environment, such as Development Tools, Web Server, or Security Tools. For this article, we will select Server with GUI as our base environment and Development Tools as our add-on.
Click on Security Policy to choose what security profile to apply to your system. You can select from several predefined profiles based on in