Meetups/Infra/2024-07-08

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Questions about LAN network, VPNs, discussions of code golf & demo scene, and ChatGPT helps to write network configuration fixes for broken LAN with 2 DHCP servers.


Introductions[edit]

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


[learned tonight] - [now want to reseach] - [want to address next time]

  • Loren - like to teach & stay fresh, hear what challenges people are facing. LLM & API / IRC - in class chatbot
  • Robert - learned about DNS & routing, want to re-watch "Explains DNS" yt, fix the motherboard
  • Doug - tonight learned a little more about DNS, LAN routing, subnet mask -- horrific clouds of uncertainty now firming up, building something in 1kb of code seems quite a good challenge, cold golf!
  • David - learned: about the vocabulary of networks, in a nebulous cloud, undifferentiaed concepts, hope to learn a bit more. moving soon, ISP, router research coming up. cisco net certification.
  • Jake - learned: more known unknowns about networks, will research there, no here next week, want to ask about: NextCloud, & some home automation stuff.

Announcements[edit]

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!


Personal cloud storage (nextcloud) https://en.wikipedia.org/wiki/WebDAV Recommend yunohost.org for getting it up

VPN question. As a rule, you access a VPN over the internet.

So instead of 

[computer] -> [lan/router] -> [ISP] -> [internet]



[computer] -> [local encrypt] -> [tunnel via vpn] / 
  [computer / vpn traffic] -> [lan/router] -> [ISP] -> [internet] -> [vpn provider]

 [vpn provider] -> [internet dests]
  • nixologist
  • connixeur


  • DNS registrar, the applicaian one
  • wifi - noisebridge setup, DHCP
  • wiki -


Prisoner's dilemma bots tournaments

  • Chess bots / demoscene -- in the spi

https://vole.wtf/kilobytes-gambit/


"a cat explains DNS" https://www.youtube.com/watch?v=4ZtFk2dtqv0

ChatGPT instructions for changing to a different router on the same PHY/LAN offering a different subnet. 

sudo ifconfig en0 inet 10.21.0.10 netmask 255.255.254.0 && sudo ifconfig en0 inet 199.188.195.0/25 remove && sudo route delete default && sudo route add default 10.21.0.1 && networksetup -setdnsservers Wi-Fi 8.8.8.8 8.8.4.4




https://www.noisebridge.net/wiki/Category:Maintainers


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

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