Fpmurphy - fpmurphy.com - Musings
General Information:
Latest News:
Using FedUp to Upgrade an EFI Boot Stub System to Fedora 19 4 Jul 2013 | 05:20 pm
FedUp (FEDora UPgrader) is the new tool for upgrading existing Fedora installs in Fedora 18 and above releases. It replaces all the previously recommended upgrade methods, i.e. PreUpgrade, DVD, USB, e...
Enhanced Linked List Support in GNU-EFI 5 Mar 2013 | 04:20 am
This post details how I significantly enhanced the double linked list support in GNU-EFI 3.0t.
Efivars and Efivarfs 27 Dec 2012 | 09:45 am
This post demonstrates how to use both the new efivarfs filesystem and older efivars mechanism to create, read, write and delete (U)EFI variables.
List UEFI Secure Boot Certificate Contents 20 Nov 2012 | 10:07 am
In this post, I dive deep into UEFI Authenticated Variables to show you how UEFI Secure Boot is implemented. I also provide the source code for a simple UEFI utility which outputs information about th...
GNOME Shell 3.6 DBus Support 7 Nov 2012 | 09:06 am
This post discusses the differences between the DBus interface in GNOME Shell 3.6 and GNOME Shell 3.4. I also demonstrate how to use some of the new methods provided to remove an installed extension, ...
Decode Microsoft’s UEFI Secure Boot KEK Certificate 20 Oct 2012 | 11:38 pm
In this post I show you how to decode a DER encoded binary X509 certificate and use it to show you the contents of the Microsoft X509 certificate used as the UEFI Secure boot KEK for Windows 8 platfor...
Lenovo T430, T530 Now Support UEFI Secure Boot 27 Sep 2012 | 09:00 am
In this post, I discuss the new Secure Boot options made available on the Lenovo T430, T430i, T530, and T530i laptops as a result of the 2.05 firmware update.
Accessing EDID Information From UEFI Shell 1 Sep 2012 | 07:06 pm
In this post, I demonstrate how to write a UEFI command line utility to retrieve EDID information.
Display UEFI Firmware Version, Vendor, Revision and Build Date 1 Sep 2012 | 07:30 am
In this post, I show you how to obtain various information (vendor, version, revision and build date) about your UEFI firmware via the SMBIOS table.
UEFI Memory V E820 Memory 19 Aug 2012 | 01:22 am
In this post I discuss the differences between how UEFI hands off memory to the Linux Kernel and how old-fashioned BIOSes handled off memory via E820.
