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ejaaskel

Embedded Software Handyman

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  • About Me
  • Yocto Hardening
  • Sulka
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Yocto Hardening: Firewalls, Part 1: nftables

Find all of the Yocto hardening texts from here! The eternal task of making the Yocto Linux build an impenetrable fortress continues. Next, we’ll look into...

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September 9, 2023 by ejaaskel Yocto

How to Turn Laptop Webcam into Digital Camera

AI generated image of a camera

In my last blog post, I said that I wanted to try finishing a project instead of starting a new one. Let’s forget that and kick off a new project.

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August 24, 2023 by ejaaskel Projects

Aioli Audiostreamer: Moving the Sound

AI generated picture of an amplifier with raspberries

People need projects to consume their free time. I’ve lately felt that I want to actually try finishing a project (instead of just starting them)…

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July 21, 2023 by ejaaskel Aioli

Open-source contribution: RTL8821AU driver recipe

This is a story of how I became a useful member of society by doing my first open-source contribution. It all began one fateful afternoon, when...

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May 15, 2023 by ejaaskel Random ramblings

Yocto Hardening: Finding & Fixing CVEs

Find all of the Yocto hardening texts from here! Last time when we were talking about Yocto hardening we focused on setting up extra users to...

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March 28, 2023 by ejaaskel Yocto

How to build Yocto with Apple Silicon

If you’re like me, you have more money than brains and not too much of either really. This can lead to situations where you end up...

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March 6, 2023 by ejaaskel Yocto

Unit testing audio processors with JUCE & Catch2

Testing. The final frontier. Or so it often feels. It’s the place where no man boldly goes, it’s the place where they tend to crawl to...

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November 10, 2022 by ejaaskel VST Plugins

Yocto hardening: Non-root users, sudo configuration & disabling root

Find all of the Yocto hardening texts from here! Cybersecurity. The never-ending race between you trying to secure your precious IoT device and some propeller head...

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September 12, 2022 by ejaaskel Yocto

How to build Fritzing for Windows

Fritzing is an open-source tool used to design and draw electrical wiring circuit diagrams, like this: Why am I covering an open-source tool’s build process here?...

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July 27, 2022 by ejaaskel Random ramblings

Yocto and WSL, part 3: WSL vs. VMWare

To judge the usefulness of WSL for building Yocto were doing a comparison between WSL and virtual machine to see which one is better for building Yocto.

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June 15, 2022 by ejaaskel Yocto
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  • Recent Posts
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  • Yocto

    Examining and Understanding Yocto Root File System Contents

    September 1, 2026

  • Random ramblings

    Open-Source Contribution: Yocto

    August 10, 2026

  • Security

    Yocto Hardening: File System Integrity with dm-verity

    May 6, 2026

  • Security

    Yocto Hardening: Read-Only Rootfs

    April 22, 2026

  • Linux

    Sandboxing Systemd Services

    February 8, 2026

  • F. Mellmann says:
    Thanks a lot for your very helpful description! I've struggled a...
  • Shashank P says:
    Thank you very much ! .. Helped me get going on...
  • ejaaskel says:
    That seems to be a solid choice, thanks for the suggestion.
  • ejaaskel says:
    Thanks, great to hear you like it! I have planned the...
  • Joel says:
    Ohh, and ARM SoC with a FPGA called Avnet Zuboard 1CG...
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