安装docker或者containerd之后，默认在/etc/containerd/config.toml禁用了CRI，需要注释掉disabled_plugins = ["cri"]，否则执行kubeadm进行部署时会报错：
output: E0614 09:35:20.617482 19686 remote_image.go:218] "PullImage from image service failed" err="rpc error: code = Unimplemented desc = unknown service runtime.v1alpha2.ImageService" image="registry.aliyuncs.com/google_containers/kube-apiserver:v1.24.0"
time="2022-06-14T09:35:20+08:00" level=fatal msg="pulling image: rpc error: code = Unimplemented desc = unknown service runtime.v1alpha2.ImageService"
解决办法：
1：修改配置文件/etc/containerd/config.toml，注释掉disabled_plugins = ["cri"]
2：重启containerd
systemctl restart containerd
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