Meetups/Infra/2025-08-04

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nb k8s cluster experiment (with DigitalInfraWG), caddy caddy caddy, nix, and chat services we might like NB to host (zulip)

Introductions[edit]

  • [name] - [background]. [goals for meetup, or interests to explore]


  • Loren -- liek to talk about infra -- might talk about nix, on macOS this week
  • Wheezy -- hacker, talk about encryption, locks -- recently learning about nvidia, cuda.
  • Alex -- ML stuff for work, many interests none for this week
  • Greg -- programmer, home lab, shared a copy lab thing
  • Chris -- design & sw, messing about with containers
  • Wolf -- this week, upgrading web server to ubuntu -- ansible palybook from last time has made things great
  • Frank -- first time, saw Elan's call for participation, sounds really fun
  • Eric -- also helping with kubes, setting up the gpu server
  • Elan -- focusing on nb infra grand rebuild, locked cabinet if you run a service
  • Kevin -- working on a few ML projects recently, run into some Nvidia / driver problems
  • Doug -- self-hosting, spinning up sites & apis, on own hardware
  • Zacchae -- recently found out about Tahoe-LAFS, distributed database


Lesson or Demo[edit]

  • Read aloud: clarify for meetup. We are taking notes in a riseup pad (or I am--help appreciated, and links). We have meeting notes posted to the wiki. noisebridge.net, search Infra, or Meetups/Infra. (the Infrastructure page has a disambiguation link.)
  • Shell, web services, self-hosting, networking!


  • Cluster -- status & vision
NB infra: fragmented hardware, management. Last upgraded a while ago. 
Noisebell is hosted elsewhere, not here.
NB devops is limited to ~ 2 poeple. Let's distribute that knowledge and skill people into related gigs.
What if we just scaled more, 4 pis, what if 40k.


berry1.noise

Discord > Project Forum > Raspbery Pi Project thread.  "bramble" name suggested, among many.


  • Ceph, k8s. From podcast, "Ceph is operated, not shipped."


  • Nix
  • Setting up an API in one go


  • Tahoe-LAFS -- high-redundancy fs, encrypted blocks,
    • comparables?
    • ORAM -- oblivious ram -- for user database


  • Setting up an api -- what can you set up quickly
  • Caddy -- the ease, the speed

https://github.com/noisebridge/infrastructure/blob/2b1fcb8c6af487c0f702b438aeef216aa3cbc236/templates/caddy/m6/Caddyfile.j2

https://github.com/noisebridge/infrastructure/blob/2b1fcb8c6af487c0f702b438aeef216aa3cbc236/templates/caddy/m3/Caddyfile.j2


  • Git-push autobuild a site.


Takeaways[edit]

  • that's a lot of tabs
  • Caddy, caddy
  • Hosting chat services
    • Discourse forum software
    • Zulip chat server (
  • R pi k8s cluster was redundant, came back up
  • Docker valuable to use -- mediabridge & travis.


Questions, Discussion, or Coworking[edit]

  • [Issue]

For next time[edit]

Questions[edit]

Readings & Exercises[edit]

  • Readings
  • Exercises

Join online[edit]

  • Try it yourself!
    • Join libera.chat #nb-meetup-infra

https://www.noisebridge.net/wiki/Meetups/Infra https://www.noisebridge.net/wiki/Meetups/Infra