Noah Lindqvist
NOAH LINDQVIST
Hardware, processes and Unix internals.
Noah Lindqvist writes about the machine underneath: 3D printer firmware faults (Klipper), SD card and USB descriptor errors on single-board computers, zombie and orphaned processes, file descriptor exhaustion, and the argv and environment limits of execve.
Method: hardware articles name the board, the firmware version and the boot log line. Process and limit articles are reproduced on a disposable host and quote the actual errno rather than a summary of it.
Articles by Noah Lindqvist
- ENOSPC: System limit for number of file watchers reached · 14 October 2026
- Argument list too long (E2BIG): fix execve argv limits · 10 October 2026
- Too many open files (EMFILE): ulimit, systemd, Docker · 06 October 2026
- Text file busy (ETXTBSY): fix writes to a running binary · 29 September 2026
- ECONNREFUSED from another host: the 127.0.0.1 bind trap · 25 September 2026
- [Errno 24] Too many open files: fix the right limit · 22 September 2026
- <defunct> zombie processes in Docker: find and fix the leak · 18 September 2026
- Vitest Workers: one workerd per test file, 8.08s to 5.08s · 14 September 2026
- device descriptor read/64, error -71: Raspberry Pi USB fix · 09 September 2026
- curl (52) Empty reply from server: Causes and Fix · 05 September 2026
- mmc0: error -110 whilst initialising SD card: Fix · 01 September 2026
- Klipper "MCU 'mcu' shutdown: ADC out of range" Fix · 27 August 2026