r2con 2018 and r2wars
A security conference in Barcelona
September 08, 2018
I tried something new this year, by going to r2con, a conference dedicated to radare2, a reverse engineering toolkit.
r2con
This conference is one of the most affordable security conference out there. I've used radare2 (r2) in the past, but I don't think I fully understood its philosophy until going …
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Kernel Recipes 2017 day 3 notes
Day 3 of the best open kernel conference in the world
September 29, 2017
This is continuation of day 1 and day 2 of Kernel Recipes 2017.
Using Linux perf
at Netflix
by Brendan Gregg
Brendan started with a ZFS on Linux case study, where it was eating 30% of the CPU resources, which it should never be doing. He started by generating a …
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Kernel Recipes 2017 day 2 notes
Day 2 of the best open kernel conference in the world
September 28, 2017
This is continuation of yesterday's live blog of Kernel Recipes 2017.
Linux Kernel Self Protection Project
by Kees Cook
Presentation slides
The aim of the project is more than protecting the kernel.
Background
Kees' motivation for working on Linux, is the two billion Android devices running a Linux. The majority …
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Kernel Recipes 2017 day 1 live-blog
Day 1 of the best open kernel conference in the world
September 27, 2017
Embedded Recipes 2017 notes
1st edition of the embedded conference in Paris
September 26, 2017
Following last year attempt, I'm doing a live blog of Embedded Recipes 1st edition.

Understanding SCHED_DEADLINE
by Steven Rostedt
Every task starts as SCHED_OTHER, where each task gets a fair share of the CPU bandwidth.
Then comes SCHED_FIFO, where it's first in, first out, a task will …
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awk driven IoT
Making toy prototypes with traditional unix tools
July 05, 2017
With a Raspberry Pi or other modern single-board computers, you can make very simple toys. I started with the hello world of interactive apps: the soundboard. But even then, I was too ambitious.
The soundpad
Since the main target was kids. I wanted a simple, screen-less toy that would teach …
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