Code of Connor – I eat systems for breakfast

Nearly Instant Ubuntu VMs with Multipass

By Connor September 27, 2020VirtualizationNo Comments

I love compartmentalizing development and test environments. I'm always looking for ways to reduce friction when doing so. I've written about setting up a sacrificial virtual machine for kernel development…

Running DuckDNS with a systemd timer

By Connor September 15, 2020LinuxNo Comments

Lately I've been learning how to administer services that I want to run for fun. Some of these services don't make sense for me to run outside of my network…

Debugging Foreign Function Interface Weirdness in a Release Build

By Connor September 5, 2020ProgrammingNo Comments

Our continuous integration setup over at Enarx has evolved into a full-blown testing matrix which exercises the codebase in both debug and release profiles across all feature configurations. This has…

Linux Kernel Development Workflow: Testing Changes in a Virtual Machine

By Connor November 16, 2019Linux Kernel DevelopmentNo Comments

I think we can all agree that the faster a code-compile-test development cycle is, the better. Working on an operating system kernel like Linux throws a bit of a wrench…

A screenshot of the "Host Dashboard" Grafana dashboard.

Deploying the Telegraf InfluxDB Grafana (TIG) Stack with Docker to Monitor a Linux Host

By Connor November 5, 2019LinuxNo Comments

So I set up an old Dell Optiplex 7010 to be my home Linux development server and decided to use that as an opportunity to start learning Docker so I…

How to Set Up an IRC Proxy with Docker

By Connor October 30, 2019LinuxNo Comments

I use IRC to keep in touch with my coworkers. Many of my teammates use an IRC proxy or bouncer to stay connected to the channel so they can get…

Embrace the Remote Development Environment

By Connor October 23, 2019Operating Systems2 Comments

A developer's tools are precious because that's how she gets her work done. But what about the development environment? When I was in university, I took the remote Linux servers…

Test Driven Development in the Clang Compiler

By Connor July 25, 2019Compilers, ProgrammingNo Comments

A while back, I participated in a software engineering capstone with a group of other computer science students to complete my degree. Our project was to create a from-scratch implementation…

My Favorite Takeaways from 21st Century C

By Connor June 27, 2019ProgrammingNo Comments

Look- I'm a big fan of programming books. My most recent foray was into Ben Klemens's 21st Century C. I'm already proficient with C in general, so why read yet…

How the Linux Kernel Detects PCI Devices and Pairs Them with Their Drivers

By Connor June 1, 2019Linux Kernel Development1 Comment

Have you ever wondered how Linux knows what PCI devices are plugged in? How does Linux know what driver to associate with the device when it detects it? In short,…