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Welcome to the 70th issue of TMPDIR, a weekly newsletter 📰 covering Embedded Linux, IoT systems, and technology in general. Please pass this on to anyone else you think might be interested. Suggestions and feedback are welcome at ✉️

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Thanks for reading!

Khem and Cliff

Quote for the week

Competency is bigger than "can they do it". Competency is "how they do it." Can is clean and binary, how is messy and analog. -- Jason Fried


🎙️Developer Workflow and Productivity

Available on your favorite podcast platform.

In this episode, we discuss workflow ideas that can help you improve your developer productivity.


  • How to find the right people?
  • How to accelerate the rate of development?
  • How to be more efficient?
  • How will AI impact me?
  • How do we adapt to change?

Discuss this episode at our community site.

Yoe 2024.02 release 🚀

February release of Yoe is available. As is usual with rolling release, useful features and fixes keep rolling in along with important security fixes implicitly fixed in newer components. This release is coming a month or so before next yocto LTS release scheduled for End of April, this release therefore has major components upgrades e.g. glibc 2.39, binutils 2.42, OpenSSH 9.6p1, OpenSSL 3.2.1, mesa 24.x linux yocto 6.6.18 kernel,

RISCV package tests ( ptests ) images have received quite a bit of fixes where they are now runnable on QEMU machines.

meta-elm has been removed from yoe distro default layer setup, it was needed for simpleIOT frontend, which is now pre-packaged into simpleIOT build into yocto.

meta-clang has received Yocto Compatible Certification.

Per-recipe ptest support which allows ptest enabled recipes to build and run a minimal image with just the package and its ptests, has been added for few more meta-openembedded layers e.g. meta-networking, meta-multimedia, meta-filesystems. This should allow runtime tests to be performed in CI runs and thereby improve the recipe quality and maintain it over development in future.

master branches are in soft-freeze status in preparation for Yocto 5 LTS release and stabilizing for it, the next release 2024.03 will contain less amount of major changes.

Think Horses, not Zebras (Part 2)

There is a popular quote in medical circles:

When you hear hoofbeats, think of horses, not zebras. — Dr. Theodore Woodward

I recently posted several debugging experiences where it was beneficial to examine simple scenarios before complex ones. Here are a few more …

read more ...

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