Top 50 Azure DevOps interview questions and answers
1) What is DevOps? DevOps is Development and Operation’s Collaboration, it’s a Union of 3Ps – Process, People and Product (working Product) that enable continuous integration and continuous delivery of…
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Artifactory Tutorials: Setup Docker repository and push/pull images?
Step 1 – Install Docker Step 2 – Enabe Docker insecure as Artifactory is insecure Step 3 – Login to docker Step 4 – Create an image or pull an…
Read more »Jenkins Tutorials: Install Jenkins as Docker Container
In the Previous Post we Learned How to install Jenkins as Servlet on Tomcat server. In this post we will try even simple and easy way to run Jenkins on…
Read more »Top Jenkins interview questions and answers
1. What is Jenkins? Jenkins is an open-source automation server that helps automate various aspects of software development, such as building, testing, and deploying code. It allows developers to set…
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Docker Tutorials: How to Install Docker in Ubuntu?
Install Docker Engine in Ubuntu NOTE – All commands you must run as root user or add a current user into a linux group name called “docker” How to beocme…
Read more »Docker Lab & Assignment – Dockerfile
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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Docker Tutorials: Basic Workflow with example commands
Simple Docker workflow – Quick start In this tutorials, I am trying to cover the simple quickstart Docker workflow and for the example, I am creating Ubantu containee and using…
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Docker Tutorials: Docker Command line Reference | Docker Tutorial | Docker Guide
One liner to stop all of Docker containers: > docker stop $(docker ps -a -q) One liner to remove all of Docker containers: > docker rm $(docker ps -a…
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Docker Tutorials: Working with Ports in Docker Containers
Port expose and publish has to happen when a container is created. Just stop the existing container and create a new one in its place with the added expose and/or…
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Docker Tutorials: Lifecycle of Docker Containers
We need to carefully understand the life cycle of Docker containes. There are following images which depicts the the right phases of docker containers. Phase of Docker Containers Create ->…
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Docker Tutorials: docker pause and unpause explanined!
As of Version 0.12.0, Docker supports PAUSE and UNPAUSE commands to pause and resume containers using cgroup freezer. The docker pause command suspends all processes in the specified containers. On…
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Docker Tutorials: Volume – Deep Dive
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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Docker Tutorials: Containerization Evolution and Benefits
What is Docker? Docker is a software platform that makes it easier to create, deploy, and run applications. Docker is a new technology that allows development teams to build, manage,…
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Docker Tutorials: What are the Advantage of Docker Containerization?
What is Docker? Docker is an open-source platform that uses developing, shipping and running containers. Docker’s workflow makes development, testing, and deployment much easier and much faster. Docker for real-world…
Read more »Docker Tutorials: Detached (-d) mode in Docker – Explained
We use Docker detached mode (-d) when we want to connect to the container in an interactive mode or we can say when we just want application to be running…
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What is Container Runtime Interface (CRI)?
Container Runtime Interface (CRI) Container runtime interface (CRI) is a plugin interface that lets the kubelet—an agent that runs on every node in a Kubernetes cluster—use more than one type…
Read more »Top 50 traefik Interview Questions & Answer
1) What is Traefik software? Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that makes deploying microservices easy. Traefik integrates with your existing infrastructure components (Docker,…
Read more »Top 50 Consul interview questions and answers
1) What Is Checkpoint? / Does Consul Call Home? Consul makes use of a HashiCorp service called Checkpoint which is used to check for updates and critical security bulletins. Only…
Read more »Top 50 Kubernetes interview questions and answers
1) What is Kubernetes? Kubernetes is a container management system developed in the Google platform. The purpose of Kubernetes is to manage a containerized application in various types of physical,…
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