本篇内容主要讲解“如何设置Docker”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“如何设置Docker”吧!
在Ubuntu中,安装完Docker后,当我们执行docker相关的命令时,会遇到如下提示信息:
$ docker ps Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.24/containers/json: dial unix /var/run/docker.sock: connect: permission denied
这是因为Docker进程使用 Unix Socket 而不是 TCP 端口。而默认情况下,Unix socket 属于 root 用户,因此需要 root权限 才能访问。详情如下:
Manage Docker as a non-root user The docker daemon binds to a Unix socket instead of a TCP port. By default that Unix socket is owned by the user root and other users can only access it using sudo. The docker daemon always runs as the root user. If you don’t want to use sudo when you use the docker command, create a Unix group called docker and add users to it. When the docker daemon starts, it makes the ownership of the Unix socket read/writable by the docker group.
解决办法:
将用户添加到docker组中,
sudo groupadd docker sudo gpasswd -a ${USER} docker sudo newgrp docker
到此,相信大家对“如何设置Docker”有了更深的了解,不妨来实际操作一番吧!这里是亿速云网站,更多相关内容可以进入相关频道进行查询,关注我们,继续学习!
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