How to secure Prometheus Docker Endpoint after enabling through metrics-addr in daemon.json

[Experiment – NOT Tested] If you need to access the Docker daemon remotely, you need to enable the tcp Socket….

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Example of daemon.json or docker.conf – Complete Options

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Docker Explained: Containerization Evolution and Benefits

What is Docker? Docker is a software platform that makes it easier to create, deploy, and run applications. Docker is…

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Install Jenkins on Ubuntu

In this tutorial we are going to install Jenkins on Ubuntu operating system. Ubuntu is another debian based operating system…

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Docker Error: Auzre RHEL 7.4 “Requires: container-selinux >= 2:2.74”

Solutions:

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Docker Interview Questions and Answer Part – 35

What Docker technologies are available to support communication between containers? Docker connect and bridge networks Docker linking and bridge networks…

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Docker Interview Questions and Answer Part – 34

Which of the following open-source tools is the underlying technology for Docker Swarm? containerd SwarmKit (Ans) Kubernetes InfraKit The Docker…

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Docker Interview Questions and Answer Part – 33

Which of the following best decribes a Docker Image? A read-write template for starting one or more containers A point-in-time…

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Docker Interview Questions and Answer Part – 32

Which of the following are true about Docker volumes? They must exist on a SAN or NAS They are decoupled…

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Docker Interview Questions and Answer Part – 31

What is the preferred way to deploy and manage a Docker Stack? The declarative way via config files (Ans) The…

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Docker Interview Questions and Answer Part – 30

Images contain the entire user space, in other words the entire file system for a container. How is this not…

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Docker Interview Questions and Answer Part – 29

With Docker for Windows, what container types can you run? Only Windows Windows and macOS Windows and Linux (Ans) Only…

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Docker Interview Questions and Answer Part – 28

What is a tag? A reference to a registry A reference to a repository A reference to a specific image…

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Docker Interview Questions and Answer Part – 27

By default, what happens to a Docker Container when the process it is running exits? The Container exits. (Ans) The…

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Docker Interview Questions and Answer Part – 24

Which of the following tasks can Docker Cloud perform? Create nodes None of these Start and stop services All of…

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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…

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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…

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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…

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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…

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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…

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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)…

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Docker Interview Questions and Answer Part – 17

If you run docker network ls and do not see a network that you’re looking for, what is the most…

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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…

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Docker Interview Questions and Answer Part – 15

Which fundamental networking technology does the native (local) overlay driver leverage when creating multi-host container networks? VLAN Token Ring VXLAN…

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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…

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How to Remove all Docker Containers, all Images, all Volumes, and all Networks

How to stop all Docker Containers To delete all containers including its volumes use How to remove all stopped Docker…

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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…

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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…

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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…

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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…

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