A wrong bootloader written by the installer, then no LED, no picture. Diagnosing over serial, forcing a fallback boot, and rewriting the right bootloader.
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Stories and tutorials from real hacking, with the commands and the pitfalls. RSS feed.
Installing Armbian on the eMMC of an H96 Pro+ (S912), making Linux see all 3 GB with a chained u-boot, then tuning zswap and USB SSD swap.
AI assistants write regexes without ever running them. Rexact MCP gives them a local test bench: cases, ReDoS, compatibility. One command to install.