安装docker和cri-docker

编写脚本

[root@master01 ~]# cd /opt/bash/
[root@master01 bash]# pwd
/opt/bash
[root@master01 bash]# vim install_docker.sh 
for i in node0{
   1,2}
do
        ssh student@$i "sudo yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine
        sudo yum install -y yum-utils
        sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
        sudo yum install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
        sudo yum install -y docker-ce-20.10.22 docker-ce-cli-20.10.22 containerd.io docker-compose-plugin
        sudo systemctl start docker
        sudo systemctl enable docker
        sudo wget https://github.com/Mirantis/cri-dockerd/releases/tag/v0.2.6/cri-dockerd-0.2.6.amd64.tgz -P /opt/software/
        sudo ls -ld /opt/software/cri-dockerd-0.2.6.amd64.tgz
        sudo tar -xf /opt/software/cri-dockerd-0.2.6.amd64.tgz -C /opt/software/
        sudo cp /opt/software/cri-dockerd/cri-dockerd /usr/bin
        sudo chmod +x /usr/bin/cri-dockerd
        sudo touch /usr/lib/systemd/system/cri-docker.service
        sudo chmod 666 /usr/lib/systemd/system/cri-docker.service
        cat <<"EOF" > /usr/lib/systemd/system/cri-docker.service
        [Unit]
        Description=CRI Interface for Docker Application Conta