$ cat <<EOF > privileged-container.yaml
apiVersion: v1
kind: Pod
metadata:
  labels:
    name: privileged-container
  name: privileged-container
spec:
  containers:
  - image: centos:centos7.9.2009
    name: privileged-container
    command:
    - /bin/bash
    - -c
    - sleep 1d
    securityContext:
      privileged: true
  restartPolicy: Always
EOF

$ kubectl apply -f privileged-container.yaml