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