Self-signed certs prevent kubectl from working

@thezog rke2.yaml I normally have multiple directories for notes etc, so my SoP is;

scp -- root@node:/etc/rancher/rke2/rke2.yaml $(pwd)
sed -i 's/127.0.0.1/xxx.xxx.xxx.xxx/g' rke2.yaml
export KUBECONFIG=$(pwd)/rke2.yaml