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install-and-configure-kubelet.md

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Install and configure the Kubelet

node1

gcloud compute ssh node1

Download Kubernetes release tar

sudo mkdir -p /opt/bin
wget https://github.com/kubernetes/kubernetes/releases/download/v1.0.6/kubernetes.tar.gz
tar -xvf kubernetes.tar.gz
tar -xvf kubernetes/server/kubernetes-server-linux-amd64.tar.gz
sudo cp kubernetes/server/bin/kubelet /opt/bin/
sudo chmod +x /opt/bin/kubelet

Create the kubelet systemd unit file:

curl -O https://storage.googleapis.com/configs.kuar.io/kubelet.service

Edit the path to the kubelet. Change

ExecStart=/usr/bin/kubelet \

to:

ExecStart=/opt/bin/kubelet \

Configure the api-servers flag:

PROJECT_ID=$(curl -H "Metadata-Flavor: Google" \
  http://metadata.google.internal/computeMetadata/v1/project/project-id)

sed -i -e "s/PROJECT_ID/${PROJECT_ID}/g;" kubelet.service

Review the kubelet unit file:

cat kubelet.service

Start the kubelet service:

sudo mv kubelet.service /etc/systemd/system/

sudo systemctl daemon-reload
sudo systemctl enable kubelet
sudo systemctl start kubelet

Verify

sudo systemctl status kubelet

laptop

kubectl get nodes