Adding Ambient Sounds to your Discord Server On Linux
Piping ambient audio into Discord on Linux for a tabletop game: virtual null-sink and loopback modules wired up through pavucontrol.

Piping ambient audio into Discord on Linux for a tabletop game: virtual null-sink and loopback modules wired up through pavucontrol.

Encrypting an additional drive on Linux with LUKS: partition it, generate a keyfile, encrypt it and mount it automatically at boot.

A Dell D6000 dock randomly powering down on Ubuntu 18.04, where the real cause turned out to be PulseAudio triggering USB autosuspend.

Building a replicated GlusterFS distributed filesystem on Rackspace Cloud and Ubuntu 12.10: server setup, formatting bricks and mounting it.
A fresh Redmine 2.x install on Ubuntu 12.10 with Ruby, Apache, Passenger and MySQL, written after an upgrade went comprehensively wrong.
Installing and configuring NRPE on Ubuntu so an existing Nagios or Icinga server can run remote checks, including custom command definitions.
Compiling Apache 2.4 from source on Ubuntu 12.04 when no package exists: the configure flags, the event MPM, and the bits that bite.
A reference recipe for compiling PHP 5.4 from source on Ubuntu 12.04: the full apt dependency list and the complete configure line.
Distributed load testing with Apache JMeter on EC2: build a reusable AMI running jmeter-server, and fix the NAT and RMI hostname problems.