kubeadm安装k8s

• 安装containerd

  注意修改containerd配置中镜像相关的配置：/etc/containerd/config.toml

• 修改kubeadm配置

  |-----------------------------------------------------------------------------------------------------------------------------------------|
  | yum install -y kubeadm-``1.25``.``2 kubectl-``1.25``.``2 kubelet-``1.25``.``2 kubeadm config print init-defaults > kubeadm.yaml |

  修改podSubnet和serviceSubnet

• 安装kubedm

|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| kubeadm init --config kubeadm.yaml mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config export KUBECONFIG=/etc/kubernetes/admin.conf |

• 部署网络插件（canal，或其他）

|--------------------------------------------------------------------------------------------------|
| wget https:``//docs.projectcalico.org/v3.23/manifests/canal.yaml kubectl apply -f canal.yaml |

• 删除污点

|--------------------------------------------------------------------------------------------------------------------------------|
| kubectl taint node k8s004 node-role.kubernetes.io/control-plane- kubectl taint node k8s004 node-role.kubernetes.io/master- |

• 检查节点状态

|--------------------|
| kubectl get node |

• 测试pod:kubectl apply test.yaml

|-------------------------------------------------------------------------------------------------------------------------------|
| apiVersion: v1 kind: Pod metadata: ``name: test-pod spec: ``containers: ``- name: test-pod ``image: nginx |