Quantum quantum5.ca

Quantum's (a.k.a. Guanzhong Chen) blog about coding, security, and other computer technology.

Resurrecting a 13-year-old high school project: the BSoD lock screen
quantum5.ca·18w
2025: Year in Review
quantum5.ca·20w
Joining your first Internet Exchange
quantum5.ca·28w
Announcing your first routes to the Internet via BGP
quantum5.ca·32w
Building a global WireGuard mesh “backbone” network with OSPF
quantum5.ca·36w
Enabling highly available global anycast DNS modifications with Galera
quantum5.ca·40w
Building highly available services: global anycast PowerDNS cluster
quantum5.ca·41w
Fast and cheap bulk storage: using LVM to cache HDDs on SSDs
quantum5.ca·53w·Lobsters, Hacker News, r/linux
On reusing old cases for NAS applications
quantum5.ca·55w
Building a multi-network ADS-B feeder with a $20 dongle
quantum5.ca·58w
A whirlwind tour of systemd-nspawn containers
quantum5.ca·60w
Docker considered harmful
quantum5.ca·61w·Hacker News
On ECC RAM on AMD Ryzen
quantum5.ca·65w
2024: Year in Review
quantum5.ca·72w
On btrfs and memory corruption
quantum5.ca·73w
Implementing ASPA validation in the bird2 filter language
quantum5.ca·80w
Installing Debian (and Proxmox) by hand from a rescue environment
quantum5.ca·92w

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