How to use fwupd to enroll the Microsoft UEFI CA 2023 certificate

Solution Verified - Updated -

Issue

  • Requirement to enroll new certificate alongside existing ones for secure boot operations
  • Needed for shim update signed with new Microsoft UEFI CA 2023 certificate
  • Offline update necessity due to servers' inability to connect to the internet

Environment

  • Red Hat Enterprise Linux (RHEL)
    • 10.2
    • 10.0.z
    • 9.8
    • 9.6.z
    • 9.4.z
    • 9.2.z
    • 8.10.z
    • 8.8.z
    • 8.6.z
    • 8.4.z
  • SecureBoot enabled
  • fwupd >= 2.0.8

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