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Red Hat Installation
This guide details how to install Red Hat Linux versions 8 and 9.
Subscription
You will need a valid Red Hat subscription to perform this installation.
A free option is the Red Hat Developer Subscription for Individuals.
Installation Image
The latest Red Hat installation images can be found on the Red Hat download page:
https://access.redhat.com/downloads.
Select the Red Hat Enterprise Linux product, then select the latest Version from the drop down. You may be asked to sign in to your Red Hat account if not done so already.
Download the Red Hat Enterprise Linux 9.x Binary DVD full installation image.
Download the Red Hat Enterprise Linux 8.x Binary DVD full installation image.
Machine Specification
For this guide I spun up a virtual machine with 2 CPUs, 8G of Memory, a 20G OS disk and EFI enabled.
The hypervisor that I used was Oracle Virtual Box and I have a guide here that you can follow if required.
Begin Install
Start the VM, then select Install Red Hat Enterprise Linux 9.x.
Start the VM, then select Install Red Hat Enterprise Linux 8.x.
Installation Language
Choose your preferred language then select Continue.
Installation Summary Screen
This is the Installation Summary screen that will be referenced in the upcoming sections.
Network & Host Name
On the Installation Summary screen, select Network & Host Name.
To enable the network, toggle the switch in the top right corner to ON.
Set the Host Name to your hostname.domain, then select Apply
For home use, set this to hostname.home.arpa as per https://www.rfc-editor.org/rfc/rfc8375.html.
Select Done, to return to the Installation Summary screen.
Time & Date
On the Installation Summary screen, select Time & Date.
Select your Region & City.
Ensure Network Time toggle is set to ON.
If a warning banner is present stating You have no working NTP server configured, then toggle OFF & ON the Network Time.
Select Done, to return to the Installation Summary screen.
Connect to Red Hat
On the Installation Summary screen, select Connect to Red Hat.
Enter your Red Hat User name & Password.
Untick Insights.
Select Register.
The screen should now display the subscription that has been attached to the server.
Select Done, to return to the Installation Summary screen.
Software Selection
On the Installation Summary screen, select Software Selection.
Choose Minimal Install as the Base Environment.
I suggest opting for a minimal installation initially. This smaller setup improves performance and security. Later, you can add specific packages needed for your particular needs.
Select Done, to return to the Installation Summary screen.
Installation Destination
On the Installation Summary screen, select Installation Destination.
Under Storage Configuration, choose Custom.
Under Storage Configuration, choose Custom.
Select Done to proceed to the Manual Partitioning screen.
Select the Click here to create them automatically hyperlink.
With the ' / ' system highlighted, select Modify which is under Volume Group on the right.
Set the Name to os_vg.
Select Save.
Renaming the volume group to os_vg helps with identification from the output of certain commands, such as lsblk.
Set the Desired Capacity for ' / ' to 10 GiB.
Select Update Settings.
There is no need to allocate the entire disk at this stage, 10 GiB is plenty. This leaves free disk space for allocating later without adding more disks to the VM.
Select Done, to see a Summary of Changes.
Select Accept Changes, to return to the Installation Summary screen.
Root Password
On the Installation Summary screen, select Root Password.
Set the Root Password, ensuring it displays as Strong.
Select Done, to return to the Installation Summary screen.
You may wish to tick Allow root SSH login with password, however in a later step a user with admin permissions is setup which can be used for login. From that user you can switch to root.
User Creation
On the Installation Summary screen, select User Creation.
Set your Full Name & User name.
Tick Make this user administrator.
Set the Password, ensuring it displays as Strong.
Select Done, to return to the Installation Summary screen.
Begin Installation
On the Installation Summary screen, select Begin Installation.
Wait for the installation to complete, then select Reboot System.
Perform Updates
There may have been package updates since the download of the Red Hat Enterprise Linux Binary DVD full installation image, therefore to ensure the system is up-to-date, login as root, then run:
yum update -y
If packages were updated, ensure to reboot the system:
reboot
Installation Complete
The Red Hat installation has now been completed and I hope you found this guide useful.
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