Blue-green deployment involves simultaneously operating two application environments within a production cluster. In this deployment approach, the stable version of the application is deployed in the first environment (blue), while the new version is deployed in the second environment (green). By default, Kubernetes performs a rolling update of a deployment. As part of the rollout […]
DevOps
Setup, Scale & Operate: How-to Run MongoDB on AWS Cloud
During the boom of the cloud infrastructure industry, Amazon Web Services (AWS) was one of the forerunners that jumpstarted the move to the cloud. Starting out 15 years ago as a solution to help software engineers overcome issues when creating and maintaining digital infrastructure, Amazon began selling access to a web-based app. This technology enabled individuals […]
Top 10 Cloud Website Builders for Devs in 2023
Although no-code has been a popular avenue for website builders to provide accessibility, developers still opt for options that offer code integration as an added layer of customization. Plenty of builders in the market still use intuitive drag-and-drop without sacrificing coding capabilities. With around 200 million active websites, you can bet that the added functionality […]
How to create an Ansible playbook quickly? Use ChatGPT
ChatGPT made a big revolution in the 21st century and called big giants to think differently rather than polishing existing products. ChatGPT can respond like an actual human or even better. ChatBots become quite popular to provide basic information for simple queries. ChatGPT is powered by AI(Artificial intelligence) with deep learning techniques and developed by […]
How to get root access on the docker host filesystem?
How to gain root access to the host filesystem in a Docker environment when you don’t have root or “sudo” privileges on the host? Since many Kubernetes systems still run on Docker and a transition to Podman is ongoing, this article provides a solution to allow access to the host filesystem with root privileges from […]
Kubernetes – How to cleanup the failed pods from all namespaces ?
In the Kubernetes environment, we could often see that pods might fail due to various reasons. Most of the time, it could be related to config issues or capacity-related issues. In such conditions, you could see the pod status could be “pending”, “Crashloopbackoff”, “evicted”, “Failed”, “ContainerCannotRun”, “Error”, “ContainerCreating” etc. As a DevOps engineer, you need […]
How to login to Docker Container/Pods ? Kubernetes/OpenShift
Container is a lightweight, standalone, and executable package of software that includes everything needed to run a piece of software, including the code, a runtime, system tools, libraries, and settings. containers are built from images, which are essentially snapshots of a container at a specific point in time. Docker is most widely used container solution […]
Kubernetes (k8s)- Disaster Recovery Strategies
A disaster recovery (DR) strategy is a plan for maintaining and recovering critical systems and data in the event of a disaster or other interruption. Kubernetes (also known as K8s) is a popular open-source container orchestration system that allows users to automate containerized applications’ deployment, scaling, and management. A disaster recovery (DR) test is important […]
Cloud Instance Backup / VM Backup strategies
Backing up your cloud instances is important for various reasons. Cloud instances can experience data loss due to a variety of reasons, including hardware failure, software bugs, and cyber attacks. Backing up your instances can help protect against data loss by providing a copy of your data that you can use to restore your instance […]
Git for beginners – Zero to Hero – Basic Operations
Git is a version control system similar to subversion. It is primarily used for source code management in software development. It can be used to keep track of changes in any set of files. With Git, users can track changes to files over time, revert back to earlier versions of the files, and collaborate with […]