kubeadm

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# 临时关闭
swapoff -a

# 永久
vi /etc/fstab
注释掉最后一行 /swap.img

sed -ri 's/.*swap.*/#&/' /etc/fstab

Failed to run kubelet” err=”failed to run Kubelet: misconfiguration: kubelet cgroup driver: “systemd” is different from docker cgroup driver: “cgroupfs”

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cat > /etc/docker/daemon.json <<EOF
{"exec-opts": ["native.cgroupdriver=systemd"]}
EOF

systemctl restart docker

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sudo apt-get update
sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  
sudo apt-get update
sudo apt-get install -y docker-ce docker-ce-cli containerd.io

systemctl enable docker

非root docker

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sudo apt-get update
sudo apt-get install -y apt-transport-https ca-certificates curl

sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg

echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list


sudo apt-get update
sudo apt-get install -y kubelet kubeadm kubectl
sudo apt-mark hold kubelet kubeadm kubectl

corendns 一直pending kubelet报错：Unable to update cni config: No networks found in /etc/cni/net.d

  • https://projectcalico.docs.tigera.io/getting-started/kubernetes/quickstart
  • https://projectcalico.docs.tigera.io/getting-started/kubernetes/flannel/flannel
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kubeadm init --pod-network-cidr=192.168.0.0/16

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config


kubectl taint nodes --all node-role.kubernetes.io/control-plane- node-role.kubernetes.io/master-


curl https://projectcalico.docs.tigera.io/manifests/canal.yaml -O

kubectl apply -f canal.yaml