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Lab 3.2: Grow the Cluster

Hi, I am trying to join the 2nd node to the cluster but after almost 10 min past nothing showing , I am using EC-2 ubunto image i.e ubuntu/images/hvm-ssd/ubuntu-xenial-16.04-amd64-server-20200129 (ami-08bc77a2c7eb2b1da) and 2CPU , 8GB RAM for both the VMs .. I am stuck at below ,can anyone please let me know what could be the issue ?

[email protected]:~# kubeadm join --token gx404l.isfrgeagyslohdsr k8smaster:6443 --discovery-token-ca-cert-hash sha256:7a74fb765dccf0f5aeeabb58d03e2ecc696b0475f87a9b39fbbf2bfbcfc625c9
[preflight] Running pre-flight checks
[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/

Thanks !
Anindya

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