Arroyo.cc

A growing collection of thoughts, things and stuff, by me, David Arroyo.

• Posts
• Sam scripts Oct 2026
  moving away from acme
• A factotum in your USB port, part 3 Sep 2026
  timing and UART
• A factotum in your USB port, part 2 Aug 2026
  a better debugging story
• Debug log: segfaults in drawterm on Wayland Aug 2026
  Wayland debugging
• A factotum in your USB port, part 1 May 2026
  porting factotum to the somu microcontroller
• 9grid bringup Feb 2026
  Bootstrapping my 9front network
• Home VM + container networking, mk I Feb 2026
  how I run VMs and containers from home
• A love letter to Fmt Feb 2026
  Ocaml's 'little language' for pretty printing
• Using ipvtap devices for 9front VMs Oct 2025
  part 1: hacking on the 9front kernel
• 🍿 お引越し Apr 2025
  大人しく成るて何?
• Build log: IP auto-config for ipvlan mode l2 devices, part 2 Mar 2025
  Adding DNS support
• Build log: IP auto-config for ipvlan mode l2 devices Feb 2025
  Interfacing OCaml with netlink and C
• DevNotes: OpenGL programming in OCaml Feb 2025
  
• A message-oriented pipe Feb 2025
  Fun with ring buffers
• Debug log: Plan9port on sway Nov 2024
  Wayland debugging
• New blog Nov 2024
  Picking this thing up again
• Composing linux namespaces with GNU guix Apr 2022
  Look ma, no symlinks!
• Sorting mailing list posts Apr 2022
  Making mailing lists better than forums
• Writing a 9P server from scratch, pt 3: server plumbing Aug 2016
  Walking and talking like a 9P server
• Writing a 9P server from scratch, pt 2: Protocol parsing Sep 2015
  Decoding the 9P message format
• Writing a 9P server from scratch Sep 2015
  Using the plan9 file system protocol
• XML Schema and Go Mar 2015
  Generating Go source from XML schema
• Don't be afraid to panic Feb 2015
  Using panic and recover for clearer code
• Bulk-upload files to artifactory Apr 2014
  Simple shell script to upload directories to Artifactory
• Plumbing rules for Puppet manifests Mar 2014
  Quickly navigating puppet modules with Acme
• Aqwari.net Go libraries Jan 2013