Docker Interview Questions and Answer Part – 18

If you want to perform maintenance on a node, to what availability should you change it? Ready Down Drain (Ans) Pause Active Assuming you have a stack called APIS, what…

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Docker Interview Questions and Answer Part – 16

Which of the following will upload a new stack to your Docker Cloud account? docker-cloud stack create docker-cloud.yml docker-cloud stack create -f docker-cloud.yml (Ans) docker-cloud stack create -f dockerfile docker…

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Docker Interview Questions and Answer Part – 14

What is the function of this command? docker search apache/ubuntu It will search your local Docker client environment for images related to either apache or ubuntu. It will search Docker…

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Docker Interview Questions and Answer Part – 11

Which of the following are the standard secured and unsecured Docker engine daemon ports? 2375 (unsecured), 2376 (secured) (Ans) 4000 (unsecured), 4001 (secured) 3375 (unsecured), 3376 (secured) 80 (unsecured), 443…

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Docker Interview Questions and Answer Part – 9

Where does the file system come from for a container? From a remote network share hosted through Hyper-V From the machine the container is started on From the image used…

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Docker Interview Questions and Answer Part – 8

The docker history command shows output similar to which of the following? Dockerfile (Ans) docker-compose.yml docker images docker layers docker ps What is a tag? A reference to a registry…

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Docker Interview Questions and Answer Part – 5

Is it ever possible to run a Linux-based container on a Microsoft Windows platform? Yes, Docker containers abstract away the underlying operating system, which means the container can run on…

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Top 10 best DevOps Tools and Certification to Utilize In 2020 – 2021.

Here, I am going to tell you about Top 10 best DevOps Tools and Certification to Utilize In 2019 – 2020, which will be helpful for your Bright future. 1….

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List of top container runtime interface projects

Before we deep dive further into container runtimes projects, let’s see what containers actually are, Hows its been created? What is a container? Container Image – Container images is nothing…

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Do you know Container Linux (CoreOs) and Tectonic journey towards OpenShift?

The CoreOS corporation was acquired by Red Hat in May 2018 for $250 million; post-acquisition, the main enterprise Container Linux distribution, combined with Red Hat’s similar Project Atomic, has been…

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Docker Error: JOB FOR DOCKER.SERVICE FAILED BECAUSE THE CONTROL PROCESS EXITED WITH ERROR CODE

[root@localhost ~]# systemctl restart docker Job for docker.service failed because the control process exited with error code. See “systemctl status docker.service” and “journalctl -xe” for details. [root@localhost ~]# [root@localhost ~]#…

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How to setup Docker repository in Artifactory and push/pull images?

Step 1 – Setup Artifactory using Docker way Follow this instructions… Setup Artifactory pro 6.1.0 using Docker containtainer Step 2 – Create a docker repo Create a repo & “Docker…

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Setup Artifactory pro 6.1.0 using Docker containtainer

Step 1 – Register a free account here. https://bintray.com/ Step 2 – Login and Click on the your “username” right top corner and go to “edit profile” Step 3 –…

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Dockerfile Lab Exercise – 1

Dockerfile Lab Exercise – 1 1. Write a dockerfile which has base ubuntu latest and apache latest. Run the apache default when you create a containers and apache welcome page…

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Difference between Docker Load and Docker Import

If you want to “flatten” an image and avoid the history which has multiple layers, docker export and import is the best way to do that. docker save – docker…

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Alternative of Docker in Kubernetes

Since v1.6.0, Kubernetes has enabled the use of CRI, Container Runtime Interface, by default. The container runtime used by default is Docker, which is enabled through the built-in dockershim CRI…

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How to setup Docker Registry/Repository using Jfrog Artifactory

Step 1 – Register and Login bintray.com Url – https://bintray.com/ Step 2 – Get a API key Browse https://bintray.com/profile/edit & Tab called “API Key” Step 3 – In Host Machine,…

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Understand docker volume from beginner to deep dive level

In order to understand what a Docker volume is, we first need to be clear about how the filesystem normally works in Docker. Docker images are stored as series of…

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How to troubleshoot Docker Server(daemon) and Containers?

How to troubleshoot Docker Server(daemon) and Containers? There are following way using troubleshooting of Docker Server and Containers can be done. If you are running your container in -d (detached…

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