How Does Linux Boot? Part 3: UEFI to Shim to the Next Link in the Chain
Dec 31,
2014
Two weeks ago I started explaining how Linux boots. Last week I got as far as the UEFI firmware finding a running a “shim” program named shim.efi to satisfy the Secure Boot security policy with its digital signature from a trusted signing authority (which, to further discourage the conspiracy theories, is not Microsoft or somehow […]