MetalLB

kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/master/manifests/namespace.yaml
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/master/manifests/metallb.yaml
# On first install only
kubectl create secret generic -n metallb-system memberlist --from-literal=secretkey="$(openssl rand -base64 128)"

### metallb-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  namespace: metallb-system
  name: config
data:
  config: |
    address-pools:
    - name: default
      protocol: layer2
      addresses:
      - 192.168.1.240-192.168.1.250