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K3s Homelab by FRUCHTiii

RPi Baremetall Setup

Table of contents

  1. Update EPROOM
    1. Flash image
    2. Update Raspi and EPROOM
  2. Think about Topology
  3. Install OS - Ubuntu
    1. Base Image flashen
    2. Import SSH Keys
    3. Fix Keyboard Layout
    4. Update
    5. Install packages
    6. Set default editor
    7. Setup Hostname
    8. Change to ifupdown
    9. Set static IP
    10. activate Cgroups

Update EPROOM

Flash image

Raspberry Pi OS Lite

Update Raspi and EPROOM 

apt update
apt full-upgrade
reboot

Think about Topology

Hostname IP Netmask Role
k3sc1 192.168.0.1 255.255.252.0  Controll Plane Node #1
k3sc2 192.168.0.2 255.255.252.0 Controll Plane Node #2
k3sc3 192.168.0.3 255.255.252.0 Controll Plane Node #3
k3sc99 192.168.0.99 255.255.252.0 Worker Node with AMD64 CPU

Install OS - Ubuntu

Base Image flashen

Ubuntu LTS Server 64bit

Import SSH Keys 

ssh-import-id-gh FRUCHTiii

Fix Keyboard Layout 

dpkg-reconfigure keyboard-configuration

Generic 105
German
German
Default
No Compose key

Update 

apt update
apt upgrade

Install packages 

apt install vim

Set default editor 

update-alternatives --config editor

Setup Hostname 

vim /etc/hostname
vim /etc/hosts

Change to ifupdown 

apt install ifupdown resolvconf
apt purge netplan.io
rm -rf /etc/netplan
rm -rf /usr/share/netplan
rm -rf /etc/cloud
vim /etc/network/interfaces
     ```
     Auto lo
	 Iface lo inet loopback
     ```

Set static IP 

vim /etc/network/interfaces.d/eth0

auto eth0 allow-hotplug eth0 iface eth0 inet static address xxx.xxx.xxx.xxx netmask 255.xxx.xxx.xxx gateway xxx.xxx.xxx.xxx dns-nameservers xxx.xxx.xxx.xxx dns-search domain-name

activate Cgroups 

vim /boot/firmware/cmdline.txt

cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory

must be added to the end of the line

Reboot

Install K3s