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Docker 29 and COPY –link –chown

After deploying the QEMU RISC-V machines, the base image builder ran into issues on the first Docker build.

06 Jun 2026

Marc Elvers

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Adventures with BuildKit

I’ve been doing battle the last few days with Docker, and in particular trying to persuade BuildKit to do what I wanted. I find Docker leans towards being a deployment tool, rather than a development tool which is to say that it’s exceedingly useful for both, but when I encounter problems trying to persuade it to do what I’m after for development, it tends to feel I’m not using it for the purpose for which it was intended.

29 Jul 2025

David Allsopp's Blog

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Fixing and Optimizing the GnuCOBOL Preprocessor

In this post, I will present some work that we did on the GnuCOBOL compiler, the only fully-mature open-source compiler for COBOL. It all started with a bug issued by one of our customers that we fixed by improving the preprocessing pass of the compiler. We later went on and optimised it to get bett...

30 Apr 2024

OCamlPro

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virt-v2v: better living through new technology

If you ever used the old version of virt-v2v, our software that converts guests to run on KVM, then you probably found it slow, but worse still it was slow and could fail at the end of the conversi…

29 Aug 2014

Richard Jones

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