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Alex Ellis' Blog

OSS, Cloud Native & Raspberry Pi

How to run Firecracker without KVM on cloud VMs

In this post I want to introduce a novel way to run virtual machines, namely microVMs on cloud VMs where KVM is not available. When I »

You might need a portable monitor

I've had two monitors in the past, either two physical screens plugged into the same computer, or a laptop screen and a monitor. Neither really worked »

Explore and debug GitHub Actions via SSH

When we were developing VM images for GitHub Actions for actuated, we often needed to get a shell to explore and debug jobs. That functionality was »

Booting the Raspberry Pi 5 from NVMe

Here's my workflow for setting up the Raspberry Pi 5 to boot from NVMe for headless use. I'll also give my thoughts on the initial generation »

GitHub Actions as a time-sharing supercomputer

The time-sharing computers of the 1970s meant operators could submit a job and get the results at some point in the future. Under the guise of »