This post describes the usage of fio, bench-fio and fio-plot, to conduct a benchmark campaign and produce nice graphs. The tested system is a Dell R760 with 2 PERC 12 cards and 12 NVMe drives. The objective was to evaluate the impact of using hardware RAID on NVMe drives.

Linux From Scratch is a book which provides step-by-step instructions for building a GNU/Linux system entirely from source code.

I’ve always wanted to build my own LFS, to improve my understanding of GNU/Linux system architectures, but at the same time, I don’t want to break my laptop. I’ll describe in this post all the deviations from the book to build and boot a LFS virtual machine.

This article is the 5th part of my dn42 experiment. The objective is to monitor, graph and visualize the network flows in a network weathermap using LibreNMS.

This article is the 4th part of my dn42 experiment, it describes the configuration of a primary and secondary DNS servers, using bind under Debian 12.

This article is the 3rd part of my dn42 experiment, it describes the configuration of a second router (“multi-pop”) and the addition of more BGP peering links (“multi-homing”), using an internal peering link between both routers.