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Oracle Linux: After LEAPP Upgrade, Server Fails to Boot With “error: /vmlinuz-upgrade.x86-64 has invalid signature” (Doc ID 2989744.1)

Last updated on JANUARY 28, 2024

Applies to:

Linux OS - Version Oracle Linux 8.0 and later
Linux x86-64


After running leapp upgrade command and reboot, OL-Upgrade-initramfs fails to boot with the following error message


LEAPP upgrade from Oracle Linux 7/Oracle Linux 8



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In this Document
 Enabling SecureBoot
 If the prerequisites are met, you can enable SecureBoot in the BIOS by accomplishing the following, for specific Hardware please do reach to Hardware Vendor.
 Disabling SecureBoot
 Oracle recommends that SecureBoot remain enabled. However, it may be disabled at customer discretion. To disable SecureBoot, accomplish the following:

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