问题描述：shim error: docker-runc not installed on system

解决办法：
方式一：

    cd /usr/libexec/docker/sudo ln -s docker-runc-current docker-runc 

方式二：

vi /etc/docker/daemon.json  # 添加内容如下：
{"log-level":"warn","runtimes": {"docker-runc": {"path": "/usr/libexec/docker/docker-runc-current"}},"add-runtime": "docker-runc=/usr/libexec/docker/docker-runc-current","default-runtime": "docker-runc"
}# 保存退出，执行如下动作：systemctl daemon-reload
systemctl start docker