added minion-01 worker node

docs/k3s-cluster.md

@@ -0,0 +1,82 @@
+# Casa k3s cluster
+
+**Table of Contents:**
+
+- [Nodes](#nodes)
+  - [Master Node](#master-node)
+  - [worker node](#worker-node)
+
+## Nodes
+
+**Setup user for ssh access:**
+
+``` bash
+apt install sudo
+usermod -aG sudo mf
+
+```
+
+**Disable swap:**
+
+``` bash
+swapoff -a
+Edit /etc/fstab and comment out any swap entries:
+# /swapfile none swap sw 0 0
+```
+
+**Other Packages:**
+
+``` bash
+sudo apt update -y | sudo apt install curl btop -y
+```
+
+### Master Node
+
+- debian 12
+- 2g ram
+- 24Gb disk
+
+``` bash
+ip a # check ethernet name
+
+# removes automatic vonfiguration as dhcp client
+sed -i '/ens18/d' /etc/network/interfaces
+
+cat <<EOF > /etc/network/interfaces.d/ens18
+# my network configuration
+auto ens18
+iface ens18 inet static
+  address 192.168.14.9/24
+  gateway 192.168.0.1
+EOF
+
+cat <<EOF > /etc/resolv.conf       
+domain dev.lan
+search dev.lan. lan.
+nameserver 192.168.14.1
+EOF
+```
+
+``` bash
+curl -sfL https://get.k3s.io | sh -
+```
+
+### worker node
+
+- debian 12
+- 4g ram
+- 8Gb OS disk
+- 16Gb data disk
+
+``` bash
+# execute on server to get token
+cat /var/lib/rancher/k3s/server/node-token
+```
+
+**Setup worker node:**
+
+``` bash
+# execute on server to get token
+cat /var/lib/rancher/k3s/server/node-token
+curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="agent --server https://casa.dev.lan:6443 --token <TOKEN>" sh -s -
+```