Ternero is a simple dashboard fo k3s/rke clusters based on kube-explorer (https://github.com/cnrancher/kube-explorer)
To use this poc you first install k3s in the standard way
curl -sfL https://get.k3s.io | sh -
After that just clone/download the files of this repo and apply it to your k3s installation.
sudo chmod 644 /etc/rancher/k3s/k3s.yaml
export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
helm repo add ternero http://gusraggio.github.io/ternero/
helm install ternero ternero/ternero -n kube-system
Then access to http://IP:8989