Managing EFI Boot Loaders for Linux:Controlling Secure Boot Originally written: 2/22/2015; last update: 3/4/2023 This Web page is provided free of charge and with no annoying outside ads; however, I did take time to prepare it, and Web hosting does cost money. If you find this Web page useful, please consider making a small donation to help keep this site up and running. Thanks! Donate $1.00 Donate $2.50 Donate $5.00 Donate $10.00 Donate another value This page is part of my Managing EFI Boot Loaders for Linux document. If a Web search has brought you to this page, you may want to start at the beginning. This page is the second of two covering Secure Boot as part of my EFI Boot Loaders for Linux document. If you're a beginner to intermediate user who wants to get Secure Boot working quickly with a popular distribution such as Ubuntu, Fedora, or OpenSUSE, I recommend you begin with my first Secure Boot page, Dealing with Secure Boot. This page is written for more advanced users who want to take full control of their Secure Boot features. Reasons to take this type of control are covered in the Why Read This Page? section of this page. The Contents section to the left shows other sections, in case you know enough to know what you want to read. Why Read This Page? If you boot nothing but Windows, chances are this page won't do you any good, except perhaps to help satisfy your curiosity about the inner workings of Secure Boot. If you dual-boot Windows and a single popular Linux distribution such as Fedora or Ubuntu, you probably don't need this page, either; such distributions ship with Secure Boot solutions that work reasonably well for such dual-boot configurations. If your needs are more complex, though, you may find this page of interest. Secure Boot works by using a set of keys embedded in the computer's firmware. These keys (or more precisely, their private counterparts) are used to sign boot loaders, drivers, option ROMs, and other software that the firmware runs....
First seen: 2025-07-23 05:53
Last seen: 2025-07-23 12:54