Manuals
Home server system
My home system separates services into distinct roles with restricted network access. Some machines serve only the local network; others have controlled external connections or exchange events through specific endpoints. The...
Sphere Ark Project
This is a concept for an underground spherical shelter, not a verified construction specification. The proposed site is assumed to have groundwater at 10-12 metres and a potentially unstable clay slope; those assumptions...
Excel Cheat Sheet
Useful formulas and regular expressions for Excel and LibreOffice Calc.
Vim Cheat Sheet
Personal cheat sheet for commands and hotkeys in the Vim editor.
50 Rules of Programming
A collection of famous quotes and aphorisms about programming and software engineering.
Learn Everything Using the Terminal
This is a historical Linux command collection. nmon and the traffic monitors use terminal interfaces, not a desktop GUI. acpi -V shows available device information; acpi -v prints the version. PCI-register writes such as the...
WordPress to a New Domain
A guide on transferring a WordPress site to a new domain name.
Setting Up Wi-Fi in Debian
Historical instructions for Debian Lenny and the hardware of that period. Package names, repositories and WPA/TKIP settings are archival examples, not a current installation recipe. The DNS addresses 192.0.2.53 and 192.0.2.54...
Migrating a Website from the Terminal
Useful commands for transferring website files and databases via scp, rsync, and mysqldump.
Network in Debian
This historical example uses ifupdown and a static IPv4 address. It applies only when that interface is managed by ifupdown; do not disable other network managers indiscriminately. Bringing an interface down disconnects an SSH...