Install k3s
Control (Master) Node
Simple k3s single control/worker node
To work without sudo
Standard Install
Note
Will take all available IPs, but you can still use metallb
Without Traefik Ingress
Without traefik and add kube config to be executable for user
Bash
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="--disable=traefik --write-kubeconfig-mode=644" sh -s -
Choose spcific version and enable HA mode
Bash
curl -sfL https://get.k3s.io | INSTALL_K3S_VERSION="v1.28.8+k3s1" INSTALL_K3S_EXEC="--disable=traefik --write-kubeconfig-mode=644" sh -s - server --cluster-init
More install options
Server token
- On the control node
Install agent node (worker)
Bash
curl -sfL https://get.k3s.io | K3S_URL=https://master_IP_or_DNS:6443 K3S_TOKEN="KXxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx::server:xxxxxxxxxxxxxxxxxxx" sh -
Uninstall
- Master node
Adding multiple master nodes | embedded etcd
- Fist node must have --cluster-init in install command:
Optional:
--tls-san value (listener) Add additional hostname or IP as a Subject Alternative Name in the TLS cert
Bash
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="--disable=traefik --write-kubeconfig-mode=644" sh -s - server --cluster-init --tls-san=172.30.177.100
- Second (and/or third...) master node:
Bash
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="--disable=traefik --write-kubeconfig-mode=644" K3S_TOKEN="K102ee243c13888698548f1feb38ab9182ae184d414ecf40ed499f24b3dbb9884c8::server:b78223bfd649aee6a700156d09b21991" sh -s - server \
--server https://dev-master1.kafana.dev:6443 --tls-san=172.30.177.100
- Add agent