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, we will see 3 Best ways to list all the changed files after git commit. If you are a developer or a programmer working on a project and regularly committing your codes to a Git Repository then you might have faced a situation where you need to check all the files that ... Read more
In this article, we will see the steps to prevent accidental commit to master and dev branch in GIT Repository. If you are a DevOps Professional or a developer then you might be aware that Dev branch is usually used for deployment in Development environment and Master Branch is used for deployment in Production environment. ... Read more
In the previous article, we have seen the steps to build docker image from dockerfile in CentOS 7 with Best Example and managing ports in docker. Here we will look into the steps to build docker image from dockerfile in CentOS 8. As you might be aware by now that you can easily create a ... Read more
In this article I will take you through 5 practical steps to create and use ReplicaSet in kubernetes with examples. ReplicaSet is an important concept brought up in Kubernetes to make sure that the required resources(pods) are always available. It is known to be the successor of Replication Controller. Without ReplicaSet if you have to ... Read more
In this tutorial, we will look into 3 methods to horizontal scale up/down the pods based on CPU utilization in Kubernetes. Scaling is a feature which is used extensively in Kubernetes technology where resources can be increased or decreased depending upon the current Server workload. There are basically two types of scaling - Horizontal and ... Read more
In this tutorial, I will take you through 3 easy ways to deploy/create pods in Kubernetes. If you are using docker from long time then you might be aware that docker uses containers to deploy applications in a Server which is very specific to that Server and cannot be shared or migrate to another Server. ... Read more
In this tutorial, I will guide you through the steps to create new custom namespaces in Kubernetes. Namespaces are one of the key features in Kubernetes frequently used to divide the physical cluster into multiple virtual clusters. Each virtual cluster acts as a namespace under which multiple resources can be created. What is Namespace in ... Read more
In this article, I will show you how to check Stateful and Stateless Pods in Kubernetes Cluster. Pods are the smallest unit of application runs in Kubernetes Cluster. It can represent a Single Application Container or cluster of application containers and volumes running in the same execution environment. A pod can be stateful or stateless ... Read more
In this article, i will take you through 15 ansible-vault command examples to encrypt and decrypt sensitive data/files on Linux. Vault is a special feature in Ansible implemented using ansible-vault tool to encrypt all the sensitive information like password, variable, data and any other information you want to protect. This tool is frequently used to ... Read more
In this article, I will take you through 22 Best Kubectl Commands Examples. As you probably know, kubectl command is relatively used to manage Kubernetes. It is essentially a primary gateway to access any kubernetes cluster. Since it is a primary command line access tool hence It is very important for you to know this ... Read more