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Why docker command connects to daemon via tcp by default
Docker can't connect to docker daemonFrom inside of a Docker container, how do I connect to the localhost of the machine?can't restart docker after resetting the docker socker using docker -H tcp://0.0.0.0:2375Docker command can't connect to Docker daemonUpdating docker registry in ubuntu 14.0“nginx-proxy” docker image socket volume not mountedCannot connect to the Docker daemonHow to connect to remote docker running on Ubuntu hostWhy is it vulnerable to bind docker daemon to 0.0.0.0?Can't talk to dind when using google/could-sdk instead of docker:stable in GitLab, why is that?
Docker is configured by default to listen on socket (Ubuntu 18.04).
$ ps aux | grep docker
root 1966 0.2 0.4 1451444 69700 ?
Ssl 09:57 0:01 /usr/bin/dockerd -H fd://
--containerd=/run/containerd/containerd.sock
But when I run docker ps it raises:
$ docker ps
Cannot connect to the Docker daemon at
tcp://127.0.0.1:2375. Is the docker daemon running?
I need to specify:
$ docker -H unix:///var/run/docker.sock ps
CONTAINER ID IMAGE
COMMAND CREATED STATUS PORTS
NAMES 7ffd2dc852f2 jwilder/nginx-proxy
"/app/docker-entrypo…" 5 minutes ago Up 5 minutes
0.0.0.0:80->80/tcp nginx-proxy
Then works fine, but why cli wants to connect daemon by default via tcp? How to avoid that?
docker ubuntu
asked Mar 8 at 9:46
DanielDaniel
213
add a comment |
Docker is configured by default to listen on socket (Ubuntu 18.04).
$ ps aux | grep docker
root 1966 0.2 0.4 1451444 69700 ?
Ssl 09:57 0:01 /usr/bin/dockerd -H fd://
--containerd=/run/containerd/containerd.sock
But when I run docker ps it raises:
$ docker ps
Cannot connect to the Docker daemon at
tcp://127.0.0.1:2375. Is the docker daemon running?
I need to specify:
$ docker -H unix:///var/run/docker.sock ps
CONTAINER ID IMAGE
COMMAND CREATED STATUS PORTS
NAMES 7ffd2dc852f2 jwilder/nginx-proxy
"/app/docker-entrypo…" 5 minutes ago Up 5 minutes
0.0.0.0:80->80/tcp nginx-proxy
Then works fine, but why cli wants to connect daemon by default via tcp? How to avoid that?
docker ubuntu
asked Mar 8 at 9:46
DanielDaniel
213
add a comment |
Docker is configured by default to listen on socket (Ubuntu 18.04).
$ ps aux | grep docker
root 1966 0.2 0.4 1451444 69700 ?
Ssl 09:57 0:01 /usr/bin/dockerd -H fd://
--containerd=/run/containerd/containerd.sock
But when I run docker ps it raises:
$ docker ps
Cannot connect to the Docker daemon at
tcp://127.0.0.1:2375. Is the docker daemon running?
I need to specify:
$ docker -H unix:///var/run/docker.sock ps
CONTAINER ID IMAGE
COMMAND CREATED STATUS PORTS
NAMES 7ffd2dc852f2 jwilder/nginx-proxy
"/app/docker-entrypo…" 5 minutes ago Up 5 minutes
0.0.0.0:80->80/tcp nginx-proxy
Then works fine, but why cli wants to connect daemon by default via tcp? How to avoid that?
docker ubuntu
asked Mar 8 at 9:46
DanielDaniel
213
Docker is configured by default to listen on socket (Ubuntu 18.04).
$ ps aux | grep docker
root 1966 0.2 0.4 1451444 69700 ?
Ssl 09:57 0:01 /usr/bin/dockerd -H fd://
--containerd=/run/containerd/containerd.sock
But when I run docker ps it raises:
$ docker ps
Cannot connect to the Docker daemon at
tcp://127.0.0.1:2375. Is the docker daemon running?
I need to specify:
$ docker -H unix:///var/run/docker.sock ps
CONTAINER ID IMAGE
COMMAND CREATED STATUS PORTS
NAMES 7ffd2dc852f2 jwilder/nginx-proxy
"/app/docker-entrypo…" 5 minutes ago Up 5 minutes
0.0.0.0:80->80/tcp nginx-proxy
Then works fine, but why cli wants to connect daemon by default via tcp? How to avoid that?
docker ubuntu
docker ubuntu
asked Mar 8 at 9:46
DanielDaniel
213
asked Mar 8 at 9:46
DanielDaniel
213
asked Mar 8 at 9:46
DanielDaniel
213
asked Mar 8 at 9:46
DanielDaniel
213
asked Mar 8 at 9:46
DanielDaniel
213
213
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
docker client uses DOCKER_HOST environment value if set otherwise default to unix:///var/run/docker.sock. Check if you have DOCKER_HOST environment variable set?
answered Mar 8 at 11:08
Aakash SharmaAakash Sharma
1483
add a comment |
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1 Answer
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
docker client uses DOCKER_HOST environment value if set otherwise default to unix:///var/run/docker.sock. Check if you have DOCKER_HOST environment variable set?
answered Mar 8 at 11:08
Aakash SharmaAakash Sharma
1483
add a comment |
docker client uses DOCKER_HOST environment value if set otherwise default to unix:///var/run/docker.sock. Check if you have DOCKER_HOST environment variable set?
answered Mar 8 at 11:08
Aakash SharmaAakash Sharma
1483
add a comment |
docker client uses DOCKER_HOST environment value if set otherwise default to unix:///var/run/docker.sock. Check if you have DOCKER_HOST environment variable set?
answered Mar 8 at 11:08
Aakash SharmaAakash Sharma
1483
docker client uses DOCKER_HOST environment value if set otherwise default to unix:///var/run/docker.sock. Check if you have DOCKER_HOST environment variable set?
answered Mar 8 at 11:08
Aakash SharmaAakash Sharma
1483
answered Mar 8 at 11:08
Aakash SharmaAakash Sharma
1483
answered Mar 8 at 11:08
Aakash SharmaAakash Sharma
1483
answered Mar 8 at 11:08
Aakash SharmaAakash Sharma
1483
1483
add a comment |
add a comment |
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