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Alex Ellis' Blog

Cloud Native & Open Source

Preview: Slice Up Bare-Metal with Slicer

By popular request, we're releasing Slicer, our much used internal tool from OpenFaaS Ltd for efficiently slicing up bare metal into microVMs. > Sin...

AUGUST 30, 2025 on LINUX, SELF-HOSTING, WORK, ...

I Bought An N100 Mini PC, Then Another

I have bought dozens of Raspberry Pis over the years, but I'm now turning to the Mini PC for R&D work. The Intel N100 is a low-power processor with...

AUGUST 18, 2025 on LINUX, SELF-HOSTING, WORK, ...

The 90s UNIX Utility That Fell Out of Favour

The classic command finger is still found on MacOS and various other BSDs even today, but has fallen out of favour. Why? For us over here in the UK,...

AUGUST 15, 2025 on LINUX, UNIX

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 say "where KVM...

FEBRUARY 12, 2025 on KVM, GITHUB ACTIONS, VIRTUAL MACHINES, ...

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 worke...

JUNE 12, 2024
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