How to Disable Secure Boot with Ubuntu

Instructions for disabling secure boot with Ubuntu.

While it is not recommended, there are occasions that you may want to disable the secure boot on your machine, for example, for testing modprobe.

To do so, first install mokutil:

sudo apt install mokutil

Then run:

sudo mokutil --disable-validation
which will ask you to enter a password that will be used later for validation.

Reboot your machine and it should enter a blue screen.
Choose change secure boot stage and type the password you entered above.

After that, you can boot into your OS and the secure boot should already be disabled.

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