On Wednesday, June 17, skywatchers across the United States—and parts of Canada—enjoyed a rare event: a daytime lunar occultation of Venus. A lunar occultation occurs when the Moon moves directly in front of another celestial object from our viewpoint on Earth, briefly hiding it from sight.

There is a subtle asymmetry in IPv6 Neighbour Discovery: a host knows how to reach its router before the router necessarily knows how to reach the host. GRAND fixes that asymmetry by making the host proactively advertise its address, and I implemented that mechanism in FreeBSD.

Today marks the day of soft-launching of my Debian derivative, which I’ve been using on several of my own machines for the past year or so. This is still work in progress, but I wanted to establish a launch date of the project so below is the DiffOS manifesto as motivation for continued work.

DiffOS is For Freedom! DiffOS is the Debian Increment For Freedom Operating System.

• Aspire to the goals of GNU FSDG and become a recognized Free GNU/Linux distribution.
• Uses Debian GNU/Linux as upstream.
• Support for all architectures supported by Debian.
• Provide Containers, Cloud Images, LiveCD and installer ISOs.
• Provide standalone hosting of the package repository.
• Provide documentation and issue tracker.
• Keep changes to a minimal, in particular:
  • Upstream-first policy to prefer that any changes are made in Debian, and only if that fails they are considered for DiffOS.
  • Binary package re-use for as much as is possible.
  • Don’t modify any source-level Debian package unless REQUIRED by the FSDG (e.g., for freedom concerns) or REQUIRED by the Debian project (e.g., for branding reasons).
• Publish a list of packages that are added, removed or modified compared to Debian, with justification for each change.
• Publish Diffoscope-style outputs comparing our artifacts with comparable Debian artifact.
• Everything built from CI/CD pipelines, inspired by the Salsa CI pipeline but extended to cover the package repository and installation images as well, to allow modern GitSecDevOps of the entire supply-chain.
• Use inspiration from other Debian-derived FSDG distributions Trisquel GNU/Linux and PureOS, and broader with GNU Guix especially on how to approach existing freedom concerns in packages.
• Git Forge agnostic. While currently hosted on GitLab.com, scripts and configuration are (or will be) designed to allow setup on self-hosted GitLab instance, Codeberg.org or self-hosted Forgejo.
• Maintained by Humans – THE HUMAN MANIFESTO FOR THE AGE OF ARTIFICIAL INTELLIGENCE.

Happy Hacking!

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