DevOps is known as Development Operations which has a large extent of applicability in Automation, Continuous Integration and Continuous Deployment. I will cover the most popular tools like Ansible, Puppet, Helm Charts, Salt, Docker, Kubernetes, Terraform, Git etc under this Category.
In this article, I will take you through the best 50 Best Puppet Interview Questions and Answers. Puppet spans across your hybrid environments to automate infrastructure and application workflows and ongoing management. We meet teams where they are and take them to where they need to be by leveraging automation code across teams, deployments, applications, ... Read more
In this tutorial I will take you through the steps to write your first ansible playbook. Ansible is a great tool for managing a large number of servers. With it, you can create incredibly flexible, automated tasks that run from a centralized server to act on remote hosts. With these tasks, called playbooks, you can ... Read more
In this tutorial, we will go through the steps to install Ansible on Ubuntu Server 18.04. Ansible is an open-source software provisioning, configuration management, and application-deployment tool. It runs on many Unix-like systems, and can configure both Unix-like systems as well as Microsoft Windows. It includes its own declarative language to describe system configuration. We ... Read more
In this tutorial, I will take you through the concepts of networking in Docker. A Docker container requires a host to run on. This could be either a physical machine (e.g., a bare-metal server in your on-premise datacenter) or a Virtual machine either on-prem or in the cloud. The host has the Docker service and ... Read more
In this article, I will take you through the steps to manage ports in Docker. By default, when you create a container, it does not publish any of its ports to the outside world. To make a port available to services outside of Docker, or to Docker containers which are not connected to the container’s ... Read more
In this tutorial, I will take you through the steps to install and configure Kubernetes on CentOS 7. Kubernetes is an open-source container-orchestration system for automating application deployment, scaling, and management. It was originally designed by Google, and is now maintained by the Cloud Native Computing Foundation. Kubernetes can be installed and deployed using following ... Read more
In this article, I will take you through the steps to install docker on CentOS 7. Docker is an open source software platform to create, deploy and manage virtualized application containers on a common operating system (OS), with an ecosystem of allied tools. Docker Inc., the company that originally developed Docker, supports a commercial edition ... Read more
This article is about kubeadm commands and kubectl commands. Kubernetes is an Open source tool that allows us to deploy and manage containerized applications at scale. It makes us easy to deploy and operate applications in a microservice environments. It was Originally developed by Google. Google first created Kubernetes based on its own software for ... Read more