Kubernetes

K3s install

curl -sfL https://get.k3s.io | K3S_KUBECONFIG_MODE="644" sh -s - 

Adding node to the cluster

get the token from the master with

cat /var/lib/rancher/k3s/server/node-token

then to install run

curl -sfL https://get.k3s.io | K3S_TOKEN="YOUR TOKEN" K3S_URL="https://yourserver:6443" K3S_NODE_NAME="servername" sh -