Problem
Create Role binding Unable to access Kubectl API through webapplication Kube API as anonymous user.
Cause
Anonymous user user role is not created with role to access Kube API
Fix
Create Role binding to access Kubectl API through webapplication as anonymous user
- kubectl create rolebinding anonymous --clusterrole=cluster-admin --user=system:anonymous --namespace=default
...
Problem
User "system:serviceaccount:default:default" cannot list pods in the namespace "default"
Cause
Cluster role binding to services has not been performed.
Fix
Use the below command to create the cluster role and bind all services
- kubectl create clusterrolebinding serviceaccounts-cluster-admin --clusterrole=cluster-admin --group=system:serviceaccounts
...
Problem
Slaves are connected but not visible from master
Cause
Mismatch between the kubernetes master version and slave version
Fix
To install a specific version kubernetes below command will help, execute this in both kubernetes master and slaves
- apt-get install -y kubeadm=1.6.4-00 kubectl=1.6.4-00 kubelet=1.6.4-00 kubernetes-cni