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% 1 Year Anniversary % サニエ エリック % 2016年8月24日 - Tokyo NixOS Meetup

A bit of History

  • Started 28th July, 2015
  • First meetup on 7th September, 2015
  • 12 meetups, almost once a month

What we did!

Future

  • Usual monthly events
  • Special Events
    • Participation to OSC Tokyo in November
    • Open to propositions
  • Hackathons?
  • More casual meetups?

Next Meetups Topics

  • 16.09 release preview/review
  • DisNix
  • propositions?

A few reminders

Nix

  • is a deterministic build system with a functional approach
  • that happens to be a package manager
  • build expressions are written in the Nix expression language
    • Nix is a "compiler" for Nix expression language
  • interesting features:
    • can run on POSIX platforms (Linux-es and OSX supported)
    • multi-users
    • multi-versions
    • rollbacks
    • source & binary
    • multi environments
    • nix-shell!

Nix Expression Language

  • Pure, Lazy and Functional expression language ("Haskell-ish")
  • not general purpose and has a quite uncommon syntax
  • made to write build expressions
  • playing with nix-repl is a interactive way to get used to it

NixOS

  • is a general purpose Linux distribution
  • that use a declarative configuration for deterministic setups
  • build on the base of Nix and systemd
  • interesting features
    • full declarative setup (configuration.nix)
    • very customizable
    • atomic updates
    • rollbacks
    • updates can be tested in a VM

nixpkgs

  • nixpkgs is the package repository of Nix
  • also contains all NixOS code (including unit tests)
  • github repository
  • interesting features
    • easy to participate, just make a PR!
    • can be customized and used locally

Hydra

  • Nix based buildfarm and continuous integration server
  • build all the nixpkgs binaries
  • interesting features
    • distributed builds
    • multiple architectures
    • easy to deploy on custom server

NixOps Reminder

  • NixOS based deployment tool
  • support multiple backends

Upcoming interesting features in Nix/NixOS