In this tutorial, I will talk about Prometheus and Grafana. You will learn to install both on CentOS/RHEL and understand how to use Prometheus and Grafana to monitor the Linux server. Introduction Grafana is a leading time-series, an open-source platform for visualization and monitoring. It allows you to query, visualize, set alerts, and understand metrics…
Let’s talk about some of the best practices you should follow while using containers. Containerization is widely being used across several organizations to deploy applications inside a container. These containers are popular because they are very lightweight. To leverage the most out of containers, you should follow some best practices while you are working with…
I will show you several operations which an administrator can perform on a remote windows system using ansible-playbook. Ansible is one of the most used DevOps tools in the market today. It provides a bunch of windows modules that are used to configure and manage the Windows server. I assume you already have Ansible installed…
Let me quickly show you how to connect the Windows server from Ansible running on Ubuntu. To follow the steps below, you need to have python 3.x and Ansible installed on both the system. You can follow the below articles if you need help. How to Install and Configure Ansible on Ubuntu? How to install…
There are many short names used in Cloud Service Models, and sometimes it may be confusing. When you get started with Cloud Computing, there are many things to learn. In this article, I will talk about some of the popular cloud service models that are widely used and are a must-know for aspiring cloud architects….
A step-by-step guide to install Headless Chromium on Ubuntu and CentOS. What is Headless Chrome? Headless Chrome is like running a chrome browser without UI (browser) i.e., it is running in a headless environment, which is very useful for running automated tests. So, what does headless Chrome unlock for us? One of the most exciting…
A better way to manage Kubernetes resources. What is the Kubernetes Dashboard? Kubernetes Dashboard is a web-based user interface to visualize the Kubernetes cluster. It shows you the details of the Kubernetes cluster, which includes the nodes in the cluster, namespaces, volumes, cluster roles, job details, and much more. You can deploy a containerized application…
Let’s learn Kubernetes architecture in detail. I assume you have a basic understanding of Kubernetes. If not, check out the following introduction and installation articles. Kubernetes Introduction for Beginners How to Install Kubernetes on Ubuntu 18? Kubernetes follows master-slave architecture. Kubernetes architecture has a master node and worker nodes. There are four components of a…
Learn how to install Kubernetes on Ubuntu. Kubernetes is an open-source container orchestration tool developed by Google. In this article, you will learn how to set up Kubernetes with a master node and a worker node. Make sure you have Docker installed on both master and worker node. Environment Details and Setup For the demonstration,…
Hearing a lot about Kubernetes but not sure what they are? What is Kubernetes? Kubernetes is an open-source tool which takes care of container orchestration. It automates container deployment, continuous scaling, and de-scaling, container load balancing, etc. Google has initially developed Kubernetes on the Go programming language. Currently, it is the market leader in orchestrating…
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