How to fix RED HAT Error — This system is not registered with an entitlement server. You can use subscription-manager to register.

Hey there,
Today I was trying to install couple of binaries in my RHEL OS. The moment I hit entered by entering the below command, I hit the below error -

This system is not registered with an entitlement server. You can use subscription-manager to register.

To Fix the issue, You need to perform below steps-

1. Create a developer account in Red Hat portal.
2. Take a note of your username and password.
3. Now run the below command to add the subscription. When prompted provide your Red hat developer account credentials.
   subscription-manager register

subscription-manager register

4. Now run the below command to assign the subscriptions
subscription-manager attach — auto

subscription-manager attach — auto

5. Run the below command to update the system
dnf update

dnf update

Done.