Solving convoluted problems, tutorials, write-ups & thoughts on security
Extract Samsung Galaxy Book Pro BIOS Image From Installer
Three years ago, I wrote about how to update the BIOS of a Samsung Galaxy Book Pro 360 laptop given that the BIOS installer could not run successfully on its own. One pain point was unpacking the firmware image from the installer. I used a race condition to acquire the files, but this isn’t very…
A tough case of a broken loopback interface in Windows
What is the common issue between the Tor Browser being stuck at establishing a connection, failing to list Android devices with adb, and Inkscape not launching? A big mystery. ChatGPT couldn’t help much. Symptoms It started with weird symptoms. When I wanted to proxy my traffic through an SSH SOCKS proxy (plink -D), this wouldn’t…
Migrate old GELI pool to ZFS-encrypted datasets in TrueNAS CORE
This guide walks you through the painstaking path of migrating old GELI-encrypted pools to new ZFS-encrypted pools, assuming you have spare disks to store the entirety of your data temporarily. We also emphasize on the confidentiality of the data, something that does not necessarily come out-of-the-box in TrueNAS, at least not for all possible options.…
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Xavier de Carné 