I am trying to install Kubernetes on my Debian 9 machine. I did anything that official document said. + +
I give some errors when I ran kubeadm init :
[init] Using Kubernetes version: v1.9.3
[init] Using Authorization modes: [Node RBAC]
[preflight] Running pre-flight checks.
[WARNING FileExisting-crictl]: crictl not found in system path
[preflight] Some fatal errors occurred:
[ERROR Port-10251]: Port 10251 is in use
[preflight] If you know what you are doing, you can make a check non-fatal
with
`--ignore-preflight-errors=...`How Can I fix these errors and install kubeadm ?
[ERROR Port-10251]: Port 10251 is in use
Port 10251 is used by kube-scheduler. Looks like it is not free due to the previous kubernetes installation. Skipping preflight checks won't help here.
I suggest doing the following:
kubeadm reset on all the nodes.kubeadm init <optional arguments> on master.kubeadm join <arguments> on the worker nodes.