This is my personal blog. The views expressed on these pages are mine alone and not those of my employer.

Posts

Oct 1, 2024
Connection coalescing breaks the Internet
Sep 1, 2024
An AX.25 implementation in Rust
Jun 23, 2024
Is your TLS resuming?
Apr 27, 2024
Rust is faster than C, even before I added SIMD
Apr 19, 2024
Cross compiling Rust -- Fixed
Apr 18, 2024
Cross compiling Rust to Ubiquiti access point
Mar 29, 2024
Use AGW for packet radio applications
Jan 4, 2024
Meshtastic quick setup
Jan 1, 2024
Apollo 11 notes
Nov 24, 2023
RustRadio improved API 0.4
Nov 19, 2023
SDR transmit and clean signals
Nov 19, 2023
AX.25 and 9600bps G3RUH decoding
Oct 24, 2023
Setting up secure wifi
Oct 15, 2023
RustRadio, and Roast My Rust
Oct 13, 2023
Downloading web resources
Jul 23, 2023
The unreasonable effectiveness of radio
Jul 5, 2023
Multichannel fast file transfers over AX.25
May 13, 2023
ZModem over amateur radio
Apr 23, 2023
Linking statically, and glibc breaking userspace for fun
Apr 23, 2023
Counting current live readers
Apr 18, 2023
Tracing function calls
Apr 17, 2023
RISC-V optimization and -mtune
Jan 25, 2023
VisionFive 2 quickstart
Dec 28, 2022
Learning Rust, assisted by ChatGPT
Dec 27, 2022
Better pipes
Dec 17, 2022
Can ChatGPT debug my code? Can it write better code?
Nov 15, 2022
Terminator 1 is the best Terminator movie
Nov 12, 2022
Fast zero copy static web server with KTLS
Nov 6, 2022
Integer handling is broken
Oct 27, 2022
No way to parse integers in C
Aug 30, 2022
Java — A fractal of bad experiments
May 25, 2022
Another way MPLS breaks traceroute
Mar 15, 2022
Dropping privileges
Mar 11, 2022
seccomp — Unsafe at any speed
Feb 22, 2022
AX.25 over D-Star
Feb 21, 2022
Localisation isn't translation
Feb 21, 2022
Go programs are not portable
Feb 1, 2022
SSH over bluetooth - cleanly
Jan 28, 2022
SSH over bluetooth
Jan 27, 2022
Raspberry Pi bluetooth console
Dec 25, 2021
Virtual audio cables
Dec 19, 2021
Linux sound devices are a mess
Dec 14, 2021
Unifi docker upgrade
Nov 16, 2021
AX.25 in user space
Jun 15, 2021
The uselessness of bash
Apr 21, 2021
More FT8 propagation
Mar 22, 2021
Measuring propagation using FT8
Mar 18, 2021
Unifi controller with a real cert
Mar 9, 2021
Tiling window manager
Dec 3, 2020
Bypassing safety check for an obviously safe change
Nov 25, 2020
BPF: The future of configs
Sep 10, 2020
A smarter emacs
Aug 3, 2020
Measuring USB with bpftrace
Aug 2, 2020
Transferring pictures with DStar
Jun 26, 2020
Troubleshooting KISS with bpftrace
Jun 25, 2020
Amateur packet radio walkthrough
Jun 19, 2020
FT8 and IC9700
Apr 11, 2020
APRS
Apr 5, 2020
Amateur radio digital voice
Apr 3, 2020
Yaesu FT3D vs Kenwood D74
Feb 24, 2020
20 years of maintaining an open source program
Dec 28, 2019
Travelling amateur
Dec 26, 2019
Broadband RF scanner
Nov 23, 2019
TCP MD5
Nov 15, 2019
Librem13v2 TPM upgrade
Nov 10, 2019
CVE 2019-14866: GNU cpio
Oct 28, 2019
OpenBSD in 2019
May 7, 2019
D-Star is a closed system
Nov 18, 2018
JT65 with SDR
Sep 15, 2018
Base Go packages
May 7, 2018
Amateur Radio and FT8
Mar 14, 2018
Yubikey for SSH on Windows
Dec 27, 2017
Microsoft: ReFS is ridiculous
Nov 12, 2017
Why bitcoin is terrible
Oct 27, 2017
WPA2 and Infineon
Oct 26, 2017
Internet in China
Oct 24, 2017
Is my TPM affected by the Infineon disaster?
Oct 22, 2017
Yubikey for SSH after the Infineon disaster
Aug 30, 2017
ReFS integrity is not on by default
Jun 7, 2017
Microwave
Apr 6, 2017
Decoding FSK
Mar 15, 2017
Killing idle TCP connections
Oct 17, 2016
Windows SSH client with TPM
Apr 7, 2016
HSBC is not a real bank
Mar 16, 2016
Ubiquity gear replacing BT HomeHub router
Jan 28, 2016
Yubikey 4 for SSH with physical presence proof
Nov 29, 2015
How I made my custom keyboard layout on Linux and Windows
Nov 28, 2015
Building pov-ray on raspberry pi
Mar 28, 2015
Scraping data from a BT home hub 5
Mar 27, 2015
How to boot an encrypted system safely
Mar 22, 2015
Raytracing Quake demos
Mar 21, 2015
My mechanical keyboard
Sep 20, 2014
Secure browser-to-proxy communication - again
Sep 18, 2014
Colour calibration in Linux
Jun 17, 2014
Another way to protect your SSH keys
Apr 20, 2014
Don't forget to restart all your OpenSSL binaries
Nov 30, 2013
How TPM-protected SSH keys work
Nov 26, 2013
TPM chip protecting SSH keys - properly
Nov 25, 2013
Should I generate my keys in software or hardware?
Nov 12, 2013
TPM chip protecting SSH keys
Oct 26, 2013
Fixing high CPU use on Cisco 7600/6500
Oct 25, 2013
Next-hop resolution and point-to-point
Oct 24, 2013
Why Go is not my favourite language
Feb 27, 2013
GPG and SSH with Yubikey NEO
Feb 8, 2013
Plug computer for always-on VPN
Jan 13, 2013
Compiling C++ statically
Oct 4, 2012
Interesting Arping bug report
May 19, 2012
Shared libraries diamond problem
Feb 7, 2012
Be careful with hashmaps
Feb 4, 2012
Benchmarking TPM-backed SSL
Feb 3, 2012
TPM-backed SSL
Dec 27, 2011
Secure browser-to-proxy communication
Oct 15, 2011
Optimizing TCP slow start
Jul 16, 2011
Yubico is awesome
Jul 5, 2011
OpenSSH certificates
Sep 5, 2010
gettimeofday() should never be used to measure time
Aug 5, 2010
tlssh - a replacement for SSH
Jun 11, 2010
The rules of multicast
Jun 8, 2010
It's duplex mismatch
May 13, 2010
Redirecting to the closest site using Javascript
Apr 10, 2010
10 years of maintaining an open source program
Jan 26, 2010
Clipboard sniffer
Jan 9, 2010
Shaping and policing on Cisco
Oct 29, 2009
Lightwave. Like Google Wave only much less
Oct 17, 2009
Holy ip packet Batman!
Oct 1, 2009
Autotools is nice
Jun 28, 2009
Spanning tree limits
Apr 10, 2009
What should have been default on Cisco devices
Mar 21, 2009
Moving a process to another terminal
Jul 27, 2008
Erlang BPG daemon
Jun 28, 2008
Buffering in pipes
Dec 22, 2007
Solaris installation