Docker无法连接到Docker守护进程

当我把Docker版本更新到0.8.0后，我在输入sudo Docker version时得到了一个错误消息:

Client version: 0.8.0
Go version (client): go1.2
Git commit (client): cc3a8c8
2014/02/19 12:54:16 Can't connect to docker daemon. Is 'docker -d' running on this host?

我按照说明，输入命令sudo docker -d，我得到了这个:

[/var/lib/docker|2462000b] +job initserver()
[/var/lib/docker|2462000b.initserver()] Creating server
open /var/lib/docker/aufs/layers/cf2414da53f9bcfaa48bc3d58360d7f1cfd3784e4fe51fbef95197709dfc285d: no such file or directory[/var/lib/docker|2462000b] -job initserver() = ERR (1)
2014/02/19 12:55:57 initserver: open /var/lib/docker/aufs/layers/cf2414da53f9bcfaa48bc3d58360d7f1cfd3784e4fe51fbef95197709dfc285d: no such file or directory

我怎么解决这个问题?

当前回答

尝试将当前用户添加到docker组:

sudo usermod -aG docker $USER

然后注销并重新登录。

2016-12-15 07:42:01

其他回答

尝试修改/etc/sysconfig中的Docker配置文件，Docker或Docker -network:

(…~ v1.17)

码头工人文件:

OPTIONS= -H fd://

或(v1.18):

docker-network文件:

DOCKER_NETWORK_OPTIONS= -H unix:///var/run/docker.sock

2015-04-08 05:04:05

如果重新生成TLS证书不起作用

docker-machine regenerate-certs default

尝试重新启动docker机器并设置env变量:

docker-machine restart default
eval $(docker-machine env default)

检查机器是否运行:

docker-machine ls

或者

docker run hello-world

这对我很管用。但是，如果您仍然没有启动守护进程，Docker的故障排除页面详细说明了停止、删除和创建新机器的过程。

2016-02-26 00:29:59

这种情况通常不会发生。但是有一天，消息出现了(如下所示)，一个简单的重启修复了它

unix:///var/run/ Docker .sock无法连接到Docker守护进程。docker守护进程正在运行吗?

2021-01-12 18:05:32

如果你使用gitlab-ci / gitlab-runners，如果你没有访问/var/run/docker.sock的权限，你就会得到这个错误。

Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock

解决问题:

sudo usermod -aG docker gitlab-runner

验证:

sudo -u gitlab-runner -H docker info

希望这能有所帮助。

2019-01-09 13:39:53

检查你是否正在使用Docker Machine:)

运行docker-machine env default就可以了。

因为根据文档:

Docker Machine is a tool that lets you install Docker Engine on virtual hosts, and manage the hosts with docker-machine commands. You can use Machine to create Docker hosts on your local Mac or Windows box, on your company network, in your data center, or on cloud providers like AWS or Digital Ocean. Using docker-machine commands, you can start, inspect, stop, and restart a managed host, upgrade the Docker client and daemon, and configure a Docker client to talk to your host. Point the Machine CLI at a running, managed host, and you can run docker commands directly on that host. For example, run docker-machine env default to point to a host called default, follow on-screen instructions to complete env setup, and run docker ps, docker run hello-world, and so forth.

https://docs.docker.com/machine/overview/

2016-02-22 07:37:15

Docker无法连接到Docker守护进程

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