Docker Interview Questions and Answer Part – 23

Which of the following are top-level keys in a stack file (Compose v3 file)? Version, deployments, networks, volumes Version and services Version, services, networks, volumes (Ans) Services, pods, networks, volumes…

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Docker Interview Questions and Answer Part – 22

Which of the following is a recommended best practice? Keep your images small (Ans) Never use the latest image in a repo Use large images containing lots of tools Only…

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Docker Interview Questions and Answer Part – 21

Which of the following is needed to deploy a Docker Stack? Compose v2 file format Kubernetes Compose v3 file format Docker Cloud (Ans) What is the name of the configuration…

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Docker Interview Questions and Answer Part – 20

What type of software deals with running (placement) applications on a given node in the cluster? Placer VM runtime Container runtime Provisioner Scheduler (Ans) What is the net effect of…

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Docker Interview Questions and Answer Part – 19

What can you use to run multiple containers from a single YAML file? Dockerfile docker run docker-compose (Ans) docker run containers.yml Which of the following is not a benefit of…

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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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