error marking master timed out waiting for the condition while creating a kubernetes cluster

Question

I'm getting the following logs when i execute the kubeadm init command, have no idea whats wrong..

root@kmaster:/home/wael# sudo kubeadm init --pod-network-cidr=192.168.0.0/16 --apiserver-advertise-address=192.168.145.5 --ignore-preflight-errors=all --node-name kmaster
[init] using Kubernetes version: v1.12.2
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[kubelet] Creating a ConfigMap "kubelet-config-1.12" in namespace kube-system with the configuration for the kubelets in the cluster
[markmaster] Marking the node kmaster as master by adding the label "node-role.kubernetes.io/mas..."
[markmaster] Marking the node kmaster as master by adding the taints [node-role.kubernetes.io/mas...]

error marking master: timed out waiting for the condition..

Answer 1

There could be many reasons that generates this error.

check your config file of kubelet which in /etc/systemd/system/kubelet.service.d/10-kubeadm.conf and check the flag "--hostname-override" and comment that flag.