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Installing a single node Kubernetes on Ubuntu with kubeadm
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# 1) Install Kubernetes on a Ubuntu machine | |
sudo -i | |
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - | |
echo 'deb http://apt.kubernetes.io/ kubernetes-xenial main' >> /etc/apt/sources.list.d/kubernetes.list | |
apt update && apt install -y docker.io kubelet kubeadm kubectl | |
sudo systemctl enable docker.service | |
kubeadm init --pod-network-cidr=10.244.0.0/16 # Flannel pod network, see below | |
exit | |
# 2) Prepare kubectl | |
mkdir -p $HOME/.kube | |
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config | |
sudo chown $(id -u):$(id -g) $HOME/.kube/config | |
echo "source <(kubectl completion bash); alias k=kubectl; complete -F __start_kubectl k" >> .bashrc && exec $SHELL | |
# 3) Finalize K8s config | |
kubectl cluster-info | |
kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml | |
kubectl taint nodes --all node-role.kubernetes.io/master- | |
kubectl get nodes -o wide | |
# For details, see: | |
# - https://kubernetes.io/docs/setup/independent/install-kubeadm/ | |
# - https://kubernetes.io/docs/setup/independent/create-cluster-kubeadm/ |
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