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: 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: 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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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 linkerd Interview Questions & Answer
1) Who owns Linkerd? the Cloud Native Computing FoundationLinkerd is hosted by the Cloud Native Computing Foundation (CNCF). The CNCF owns the trademark; the copyright is held by the Linkerd…
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,…
Read more »Top 50 Springboot interview questions and answers
1) What is Spring boot? Sprint boot is a Java-based spring framework used for Rapid Application Development (to build stand-alone microservices). It has extra support of auto-configuration and embedded application…
Read more »Top 50 Openshift interview questions and answers
Q1. What Is Openshift? Answer : OpenShift is a cloud development Platform as a Service (PaaS) hosted by Red Hat. It’s an open source technology which helps organizations move their…
Read more »Top 50 Udeploy interview questions and answers
Q1) Can I use UrbanCode Deploy to automate the deployment of containers? Yes. UrbanCode Deploy can manage containers. Q2) Is UrbanCode Deploy available as a software-as-a-service offering? Yes. UrbanCode Deploy…
Read more »Top 50 Packer interview questions and answers
Q. Is it possible to feed packer with an ansible encrypted file? I’m attempting to use packer from an ansible playbook in order to use an ansible-vault encrypted file in…
Read more »Top 100 laravel interview questions and answers
1) What is Laravel? Laravel is an open-source widely used PHP framework. The platform was intended for the development of web application by using MVC architectural pattern. Laravel is released…
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List of Popular Tools and Applications in Kubernetes ecosystem
K8s Cluster Management kubespray – Deploy a Production Ready Kubernetes Cluster kops – kops helps you create, destroy, upgrade and maintain production-grade, highly available, Kubernetes clusters from the command line. AWS is…
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How to check Containers health inside a kubernetes pod using livenessProbe?
A Probe is a diagnostic performed periodically by the kubelet on a Container. To perform a diagnostic, the kubelet calls a Handler implemented by the Container. There are three types…
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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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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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Docker Tutorials: 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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