Docker启动失败,报错Cannot connect to the Docker daemon at unix:///var/run/docker.sock.

运行docker命令报这个错误:

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

原因是docker服务没有成功启动:
查看启动情况:

sudo service docker status

Docker启动失败,报错Cannot connect to the Docker daemon at unix:///var/run/docker.sock._第1张图片

执行命令查看docker版本:

docker version

发现只有客户端,没有服务器:
Docker启动失败,报错Cannot connect to the Docker daemon at unix:///var/run/docker.sock._第2张图片
执行 vi /etc/sysconfig/selinux , 把 selinux 属性值改为disabled。
Docker启动失败,报错Cannot connect to the Docker daemon at unix:///var/run/docker.sock._第3张图片
然后重启系统:
启动docker,再次查看docker启动情况
Docker启动失败,报错Cannot connect to the Docker daemon at unix:///var/run/docker.sock._第4张图片
Docker启动失败,报错Cannot connect to the Docker daemon at unix:///var/run/docker.sock._第5张图片
成功

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