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Questions tagged [docker-engine]

Docker Engine runs on Linux to create the operating environment for your distributed applications.

At the core of the Docker platform is Docker Engine, a lightweight runtime and robust tooling that builds and runs your Docker containers. Docker Engine runs on Linux to create the operating environment for your distributed applications. The in-host daemon communicates with the Docker client to execute commands to build, ship and run containers.

See official website for details.

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How to avoid binary characters in the result of a docker engine api http exec call?

When running a http://127.0.0.1:2375/exec/xxxxx/start i get a response of type application/vnd.docker.raw-stream with some binary chars in the response. so for example, when calling "date" inside a docker container, the response always looks like…
michabbb
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Docker-py client gives "invalid client port specification"

I am using the docker-py client to create containers on a need basis. So for this, I am using a generator to come up with a port number and trying to use httpd image on a particular port of the host from the generator. But, the client gives out…
j-code
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Docker version documentation links

Please help to understand with the docker version numbers. Docker version 1.13.1, build 7f2769b/1.13.1 . ( https://docs.docker.com/release-notes/docker-engine/) and Docker version 19.03.5, build 633a0ea (…
siddhartha reddy
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While docker run: docker: failed to register layer: Error processing tar file(exit status 1): no space left on device

my Docker Runtime crashed while cleaning up the linux engine. So I reinstalled Docker by unsing zypper. When I run docker run --detach --hostname psmonster --env GITLAB_OMNIBUS_CONFIG="external_url 'http://psmonster:20080/';…
markus0074
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How to get currently running containers of a service using Docker Engine API?

I'm trying to get the currently running containers of a service to visualize them like in Portainer.io. Portainer shows the currently running machines and replicas like 5/8. I can get desired replica number using engine api with /services…
Capan
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Docker - Is volume mapping of socket file an override behavior?

Below is the code snippet of jenkins image taken from here: # Install Docker Engine RUN apt-key adv --keyserver hkp://pgp.mit.edu:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D && \ echo "deb https://apt.dockerproject.org/repo…
overexchange
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Is there a way to enforce inter-module dependencies/initialization order?

Using Azure IoT Edge, I have not found any way to guarantee the initialization order of containers/modules in a deployment. Suppose for example, I have 2 modules, A and B. A is a server and B is a client that depends on A. As far as I know, there's…
Jack
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Artifactory docker registry: Forbidden error

We are trying up to setup Artifactory in our corporate setup (there is a proxy server in the mix). Nginx, Artifactory and PostgreSQL are running in containers (spun up using JFrog's docker compose example). But I am unable to successfully login to…
CK5
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Can not start docker engine in Oracle Linux

I followed the instructions in this blog "https://blogs.oracle.com/hlsu/install-docker-on-oracle-linux-7" to install docker engine in my Oracle Linux 7 server. This is my log for yum install docker-engine : Loaded plugins: langpacks ol7_UEKR4 …
Amal Vijayan
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Avoid docker exec zombie processes when connecting to containers via bash

Like most docker users, I periodically need to connect to a running container and execute various arbitrary commands via bash. I'm using 17.06-CE with an ubuntu 16.04 image, and as far as I understand, the only way to do this without installing ssh…
THX1138
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Container healthcheck status via tasks json

I am trying to fetch container status using the docker remote API. v1.26 I am making /tasks api call to fetch the list of tasks for a node. Is there a way to get the container status from the GET /tasks json which maps to the…
sam
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Can interlock or registrator be still helpful after docker engine 1.12.3 in swarm mode?

docker engine 1.12.3 in swarm mode comes with the ingress LB with the help of routing mesh which redirects to only the task which is healthy . Just wondering if interlock(https://github.com/ehazlett/interlock) & registrator…
vivekyad4v
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Not able to access docker command with non-sudo user?

Why I am getting this error when executing docker version with non-sudo user. I have installed docker using Script Output with non-sudo user docker version Client: Docker Engine - Community Version: 24.0.5 API version: 1.43 Go…
Waleed Akbar
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filesystem layer verification failed for digest for native docker

I'm running docker on Ubuntu 22.04 (CLI, not Docker-Desktop) and I keep getting layer verification error. See the example below: mjozwikowski:~$ docker -D pull postgres:latest latest: Pulling from library/postgres 648e0aadf75a: Downloading…
Marcin Jóźwikowski
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Cant access portainer from web browser. (ERR_EMPTY_RESPONSE)

My OS is almalinux 9.2. Accessing https://server_ip:9443 (portainer) from browser gives error: This page isn’t working didn’t send any data. ERR_EMPTY_RESPONSE I installed docker and portainer using the below commands: dnf install -y…
jay
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