Symptoms
A cron notification email is generated with the following error:
CONFIG_TEXT: insmod: ERROR: could not insert module /var/cache/kcare/patches/none-3613880c6458a090216fd161b0f5765330bedf40-10-default/kcare.ko: Required key not available
Cause
SecureBoot is enabled, resulting in the kernelcare update failing.
Resolution
You need to disable SecureBoot, which you can verify if it's enabled by running the following command via SSH when logged in as root:
# mokutil --sb-state
SecureBoot enabled
You may need to work with your hosting provider to disable the secure boot on your server and then reboot the server.
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