Author: Michael Opdenacker
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See how U-Boot modifies your board device tree
If you compare the device tree as loaded by Linux, available in /sys/firmware/fdt, you will see that it differs from the one that you loaded in U-Boot. Taking the time to make the comparison is quite instructive. Let’s do this on my Toradex Verdin iMX8M Mini SoM on the Dahlia carrier board. Decompiling the DTB…
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Google-stored passwords insufficiently protected
Have you checked the passwords.google.com page? If you have a Google account, it’s the passwords that you’ve supposedly allowed Google to remember for you. In my case, I have a very limited list, and it’s so old that I don’t even remember letting Google remember them. I most probably accepted this on an Android phone,…
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Build and run the mainline Linux kernel on your PC
Last week, I gave a “How to test a specific version of Linux on PC hardware” talk at the Alposs conference in Echirolles near Grenoble, France. This was a very nice technical conference, with 330 participants (+110 compared to last year), organized in the city hall of Echirolles near Grenoble and by Belledonne Communications (the…
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Oh My Zsh – Improve your shell experience
Introduction Have you already seen people making presentations which a fancy shell prompt like the above? This is particularly useful in presentations because viewers can clearly see in which directory the commands are being run. The second great feature is for developers. When the current directory is in a Git repository, the prompt shows the…