| 1 min hardware
The tiny SSH trick for letting a USB KVM talk to a locked Mac
A quick macOS tip for allowing a NanoKVM-style USB HID accessory from an SSH session when Screen Sharing is unavailable and the Mac is stuck at the login window.
Tinyland broker stream loading.
Blog
141 posts
Checking broker
Jess Sullivan
Full stack engineer, musician, birdwatcher
| 7 min hardware
Hacking Canon MegaTank and clearing 5B00 Lock: A Native Waste-Ink Reset over USB with Ghidra, Frida and friends
A complete technical reference for resetting the Canon G-series MegaTank '5B00 ink absorber full' lock from Linux. Recovering the usbprint vendor-control maintenance protocol, the per-session keyword-bound write cipher and correlating payloads against friendly-fire RE dumps from WICReset
| 1 min hardware
Glue You Can See in UV
A 3D-printer bed adhesive that's stronger than Frank's Instagoo, loaded with strontium-aluminate phosphor so a 365nm flash shows exactly where you laid it down- plus a Klipper gate that won't print on a bare bed.
| 1 min personal
Week Notes: scroll wheels, spring legs, and chasing the sun
Became the nixpkgs maintainer of UnnaturalScrollWheels, found my biking legs again at 100 miles a week, and started quietly plotting a 2030 across-Ireland enduro.
| 2 min tutorial
Gingersnap Cookies (from a milk-free, soy-free recipe card)
A milk-free, soy-free gingersnap recipe card, transcribed from a photo with Apple Vision OCR, metric equivalents, a scaler, and notes on the baking soda reaction.
| 1 min hardware
Trashmonitor to oggle my goggles and behold the blinkenlights
I glued together a tittle tailnet-only streaming surface so I can oggle my goggles, blinkenlights, dev boards, and the hardware pile from the sanctum of anywhere
| 11 min devops
Hacking around with XGS-PON: Fiber ISPs, WAS-110 Modules & Mikrotik
Two fiber ISPs, one switch, two BFW WAS-110 SFP+ XGS-PON modules running 8311 community firmware. Fidium and GoNetSpeed both authenticate the same way (clone the operator-supplied ONT's identity into IaC), but their upstream OLTs push very different OMCI service profiles. This is the procedure I used to land both, with annotated scripts and OMCI captures.
| 2 min software
Little Zig Libraries for Fruit-Shaped Escape Hatches
Four tiny Zig libraries, one small thesis: keep the app shell pleasant on macOS, but move native capabilities behind a boring C ABI so Linux ports do not become full rewrites.
| 3 min devops
Smol DarwinNicUtil Has Docs and installers now, yay
DarwinNicUtil v2.1.2 is documented, packaged on PyPI and FlakeHub, and now reflects the Mac-bastion OOB flow I use to manage lab network hardware.
| 4 min hardware
Host Characterization with Chapel, Fancy Testing & Dhall
Using Chapel's forall, my own property-based testing library and Gabby's Dhall lang for characterization records on a dual-socket Xeon machine, lets do some awesome kernel scheduling analysis
| 3 min personal
Week Notes: Indeterminism, Passkeys, and Spring
Determinism begets fascination with indeterminism. FIDO2 work for cmux, qutebrowser & keepassxc, a 2026 teletype, 20km spring run, lead climbing, and the BCI server rack draws a concerning 4kWh at idle.
| 5 min devops
WinRM Quotas, Plugin Confusion, and Why PSRP Has Been the Answer Since 2018
Bah! WinRM has a hidden quota layer, some error messages lie, and the fix has been sitting in ansible-core since 2018.
| 1 min personal
Updated Resume & CV — March 2026
Fresh resume and CV are up. New publications section, binary analysis research, and a bunch of other updates from the past year.
| 23 min hardware
From Bricked to Recovered: The Story of Hacking an NVMe SSD Back to Life
How I recovered a write-protected NVMe SSD by reverse engineering a USB bridge chip and injecting commands directly into its memory — no professional tools needed.
| 1 min personal
Week Notes: Cyborgs, Servers, and Sending
Dell 7810 bifurcation woes, BCI goggles laced up, tcfs gets macOS FileProvider, 4k lines of Ansible replaced with Dhall, 5.13 top rope project, and Norwegian metal in the office.
| 17 min hardware
XRAM Injection: Bypassing USB Bridge Whitelists to Recover NVMe Drives
A complete technical guide to the XRAM injection technique for sending arbitrary NVMe admin commands through the ASMedia ASM2362 USB-to-NVMe bridge, bypassing its firmware opcode whitelist.
| 4 min devops
Aperture, Tagged Devices, and the tsnet Escape Hatch
Every device on the tailnet was tagged. Aperture doesn't recognize tagged identities. I was locked out of my own AI gateway-- and a throwaway Go program got me back in.
| 1 min hardware
Ligature Test Fixture
Test fixture post for verifying Fira Code ligatures render correctly in code blocks.
| 1 min personal
What have I been up to these last few months?
I am off to do cool stuff at Bates College! 🚀 I am pleased to shared I have accepted position as a Systems Analyst at Bates. That’s right- I’ve moved from...
| 1 min software
I wrote a mutual aid mental health service
Check out this project here: Tetrahedron.gay is a mutual aid mental health group informally continuing the structured partial hospitalization Triangle Program.
Jess Sullivan
Full stack engineer, musician, and birdwatcher based in Lewiston, ME & Boston, MA. I build infrastructure tooling, digital automata, hack upon compilers, love learning new languages, futz with hardware, and maintain a lot of fun projects here and elsewhere.
Tech / FOSS
ChapelRocky LinuxApache SolrSkeleton UISearXNGKeePassXCFutharkxCaddyqutebrowserpytestKlipperBudgie DesktopTails
Sponsoring
Ventures
Topic Network
GitHub Activity
