Step 3: Delete the “tmp_leapp_p圓” Directory If this is not the case, you will need to register and subscribe your RHEL system to the Red Hat Customer Portal before continuing to Step 3. If your RHEL 8 system has a subscription, the following output will be displayed: $ sudo subscription-manager list -installed To do so, open your terminal and execute the following command: Next, you need to confirm your system has an active Red Hat subscription. ![]() $ cat /etc/redhat-release Step 2: Verify You Have a Red Hat Enterprise Linux Server Subscription Once the upgrade is complete, verify that you are running RHEL 8.6 as follows. If you have an older release, then upgrade it to RHEL 8.6 as follows. To perform the in-place upgrade from RHEL 8 to RHEL 9, you need to be running RHEL 8.6, which is the required source OS version. Minimum boot partition of 100MB (500MB recommended).A fast and reliable internet connection.An instance of Red Hat Enterprise Linux 8.Prerequisitesīefore you begin, please ensure you have the following set of requirements: ![]() In this tutorial, we’ll demonstrate how to perform an in-place upgrade from RHEL 8 to RHEL 9.
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