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NODES.md

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Nodes

panda

My old laptop. 1 TB; Intel Core i7-5500U 2.40GHz; 2x DDR3 1600MHz 4GB; 192.168.0.134

gloss

An old mini computer. 230 GB; Intel Atom D510 1.66GHz; 1x DDR2 667MHz 2GB; 192.168.0.125

dcapo

Old desktop PC. 572 GB; Intel Core Dual 1.80GHz; 4x DDR2 800MHz 1GB; 192.168.0.107

romba

Acer Aspire R3610. 320GB; Intel Atom 1.60GHz; 1x DDR2 800MHz 2GB; 192.168.0.105

rasp1

Raspberry pi 4 B. SD card 32GB; Quad core Cortex-A72 1GHz; 4GB LPDDR4-3200 SDRAM; 192.168.0.112

Setup

  1. Assuming a fresh installation of Ubuntu server.

  2. Check that .ssh/authorized_keys contains key

ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFc5Y4zd8S6HPGR/dWmdwG7j4XAQIq+4quywtpeUUmNA michael@porkbrain.com

  1. sudo apt upgrade -y

  2. sudo snap install microk8s --classic

  3. Configure permissions and restart session

sudo usermod -a -G microk8s $USER
sudo chown -f -R $USER ~/.kube
su - $USER

  1. microk8s disable ha-cluster (see microk8s.md)

  2. Add other nodes to the /etc/hosts file. Here's a list of nodes and their internal IPs. Note that the node itself should be on 127.0.0.1.

192.168.0.125 gloss
192.168.0.134 panda
192.168.0.105 romba
192.168.0.107 dcapo
192.168.0.112 rasp1

  1. Add new node's hostname and IP to other nodes' /etc/hosts.

  2. microk8s add-node on master