DEV and IOMMU: a story of two DMA protection mechanisms
Published at July 3, 2020 · Krystian Hebel · 12 min read
Both DEV and IOMMU can help with protection against malicious DMA. This post roughly describes the difference between those two, as well as the impact they have on each other in the context of TrenchBoot...
Dell OptiPlex and coreboot - a story about porting cursed hardware (part 1)
Published at June 24, 2020 · Michał Żygowski · 7 min read
This post begins a new series telling a story of a stubborn firmware engineer who overcame never-ending amount of obstacles to create a Dell OptiPlex 9010 workstation as open as possible. In this series, you will not only read about the adventures which accompanied the work on the hardware but also you will have a chance to learn the way of BIOS developer....
Categories: firmware
Qubes OS & 3mdeb 'minisummit' 2020 summation
Published at June 17, 2020 · Kamila Banecka · 8 min read
The second Qubes OS & 3mdeb minisummit is ahead of us. We had gone through four evenings of topics devoted to Qubes OS, so it is time for broad summation of the event....
Categories: firmware miscellaneous security
Starting TrenchBoot's Landing Zone from iPXE
Published at June 1, 2020 · Krystian Hebel · 10 min read
In this article we present support for starting Landing Zone from another bootloader: iPXE. It may not be as featureful as GRUB2, but it has enough juice to start DRTM using images obtained from a remote server...
Qubes OS and 3mdeb 'minisummit' 2020
Published at May 15, 2020 · Kamila Banecka · 5 min read
Once again, we will meet on QubesOs & 3mdeb minisummit 2020 discussing #QubesOS, #firmware, #coreboot, #security and #TPM related topics. All the event details are presented in the following blog post....
Categories: firmware miscellaneous security
Measuring memory and CPU usage on Orange Pi with Yocto & Armbian
Published at May 14, 2020 · Piotr Konkol · 6 min read
This article will show you how to perform and interpret measurements CPU usage, temperature and memory on OrangePi Zero...
Categories: iot miscellaneous
User friendly tutorial for enabling HTTPS support in iPXE
Published at May 6, 2020 · Michał Żygowski · 5 min read
This article will show you how to replace old HTTP with much safer HTTPS when booting platforms/computers over network. You will read how to quickly incorporate open-source network booting solution based on coreboot and iPXE projects to your daily life....
Installing TrenchBoot in UEFI environments
Published at May 6, 2020 · Michał Żygowski · 17 min read
This blog post will show you how to install NixOS on UEFI platforms and how to install TrenchBoot on them....
TrenchBoot: Open Source DRTM. CI/CD system.
Published at May 5, 2020 · Piotr Kleinschmidt · 6 min read
How to improve development and validation process in our project? Automation? Of course! Let us introduce our CI/CD system. Find out how it actually works and what advantages it has....
TrenchBoot: Open Source DRTM. DRTM update and meta-trenchboot implementation
Published at April 30, 2020 · Piotr Kleinschmidt · 11 min read
Another release brings new updates in our Open Source DRTM project. Except for code changes, we have prepared our custom Linux image with DRTM. Also we set up CI/CD system for automation build and test. Read this article if you want to find out more details....
.png){kind=small}
