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 show you how you can work on your own Bitbucket feature branch. Usually in a team of developers, when multiple people are working on a project then each of the team member will have their own feature branch created to work on a particular feature. So that when the work ... Read more
In this article, we will look into how to solve "fatal: Need to specify how to reconcile divergent branches" error. Last night while working on my project, I tried to pull changes from a remote branch using git pull command but instead I end up with error "fatal: Need to specify how to reconcile divergent ... Read more
In this article, I will show you how to access Kubernetes Cluster Metrics using Port Forwarding. If you want to directly communicate from your local system to a given port on a Pod then Port Forwarding is the best method to use here. Kubernetes support this feature through kubectl utility. It is important to note ... Read more
In this article, I will take you through the steps to install and use Argo CD - Declarative GitOps CD for Kubernetes. If you are looking to continuously deploy your application in a Kubernetes Cluster and automate its lifecycle management then Argo CD is one of the best GitOps continuous delivery tool you can use. ... Read more
In this article, we will look into how to setup and use Atlantis for Terraform Pull Request Automation in Linux. According to Official website, Atlantis is an advanced application for automating Terraform via pull requests. It is deployed as a standalone application into your infrastructure. It is so secure that no third-party will be able ... Read more
In this article, I will take you through step by step guide to create and use a Kubernetes persistent volume. Volumes are required mostly by Stateful applications which generates data that needs to be stored somewhere. In this tutorial we will focus on PV and PVC creation and see how a Pod can use PV ... Read more
In this article, we will see how to deal with the error "unable to drain node" in case you are getting it while trying to drain out the Cluster node for maintenance. Maintenance is a periodic activity which every organization regularly perform to keep the Cluster healthy, secure and up to date. In the last ... Read more
![How to Backup and Restore Kubernetes ETCD database [Step by Step] 24](https://www.cyberithub.com/wp-content/uploads/2022/01/bacres.jpg)
In this article, I will take you through the steps to backup and restore Kubernetes ETCD database but before that let's try to understand what is etcd and why it is important to backup etcd database. According to official documentation, etcd is a strongly consistent, distributed key-value store that provides a reliable way to store ... Read more
In this article, we will understand how to take a Kubernetes Cluster node out for Maintenance. Performing node maintenance is a standard task which needs to be done periodically. Sometimes taking the node out from a Cluster and joining it back to the Cluster can become tricky and cumbersome. Fortunately it is very easy to ... Read more
![How to Deploy Metrics Server on a Kubernetes Cluster [Step by Step] 26](https://www.cyberithub.com/wp-content/uploads/2021/12/deplom.jpg)
In this article I will take you through a step by step guide to deploy metrics server. According to Github, Metrics Server is a scalable, efficient source of container resource metrics for Kubernetes built-in autoscaling pipelines. Metrics Server collects resource metrics from Kubelets and exposes them in Kubernetes apiserver through Metrics API for use by ... Read more