post image January 6, 2022 | 1 min Read

Create John user in Kuberentes

kubectl  create  role developer --verb=create,list,get,update,delete --resource pods --namespace development 
kubectl  create  rolebinding john-role-binding --role developer --user john --namespace development

kind: CertificateSigningRequest
  name: john
  - system:authenticated
  request: LS0t...
  - client auth

:r! cat /root/CKA/john.csr | base64 | tr -d "\n"

kubectl  get csr
kubectl  certificate approve john

kubectl get csr/john -o yaml
kubectl get csr/john -o yaml -ojsonpath='{.status.certificate}'
kubectl get csr/john -o yaml -ojsonpath='{.status.certificate}' | base64 -d
kubectl get csr/john -o yaml -ojsonpath='{.status.certificate}' | base64 -d > CKA/john.crt
kubectl config set-credentials john --client-key=/root/CKA/john.key --client-certificate=/root/CKA/john.crt --embed-certs=true
kubectl config set-context john --cluster=kubernetes --user=john
kubectl config use-context john
kubectl  get pods -n development
author image

Jan Toth

I have been in DevOps related jobs for past 6 years dealing mainly with Kubernetes in AWS and on-premise as well. I spent quite a lot …

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