Reason

Certificates have been expired.

Solution

Run: kubeadm init phase certs all --apiserver-cert-extra-sans=ALL_IPS_TO_BE_ACCEPTED_BY_THE_CERT --apiserver-advertise-address=ADDRESS
Run: cp /etc/kubernetes/admin.conf ~/.kube/config

OpenShift

oc login -u kubeadmin -p 'PASSWORD' https://api.crc.testing:6443

K3S

mkdir -p ~/.kube
sudo cp /etc/rancher/k3s/k3s.yaml ~/.kube/config
sudo chown "$(id -u):$(id -g)" ~/.kube/config
chmod 600 ~/.kube/config