Recent studies paint a concerning picture of Kubernetes security. A 2023 report in InfoSecurity Magazine reveals that security breaches affect 59% of organizations using Kubernetes. IBM’s research shows the average cost of data breaches hit $4.88 million in 2022, making Kubernetes security practices more significant than ever. Kubernetes now powers critical business applications and handles […]
kubernetes
OOMKilled in Kubernetes: The Hidden Memory Leaks You’re Missing
Your Kubernetes pods might suddenly die, and you might find they were OOMKilled. These frustrating terminations can happen even with plenty of free memory on your nodes. The Linux kernel’s unique memory management behavior causes this problem. A Kubernetes exit code 137 signals that the OOM Killer has terminated a process. Several factors trigger this […]
Jenkins vs Azure DevOps Pipeline: Which Tool is Right for Your DevOps Workflow?
In today’s fast-paced software development landscape, having an efficient CI/CD pipeline is essential for automating builds, tests, and deployments. Among the top contenders in the DevOps world are Jenkins and Azure DevOps Pipeline. While both tools serve the same purpose, they excel in different areas and cater to varying team needs. In this article, we’ll […]
Kubernetes Roadmap for Beginners
Kubernetes (K8s) is a powerful open-source platform for automating the deployment, scaling, and management of containerized applications. It helps orchestrate containers across a cluster of machines, ensuring high availability, scalability, and fault tolerance. This roadmap will guide you through the essential steps to start your Kubernetes journey. Why Learn Kubernetes? • Container Orchestration: Manage containers […]
Docker Roadmap for Beginners
Docker is a platform that enables developers to package applications and their dependencies into lightweight, portable containers. Containers ensure consistency across development, testing, and production environments, making Docker a fundamental tool in modern DevOps workflows. This roadmap will help you learn Docker step-by-step and build a solid foundation as a beginner. Why Learn Docker? • […]
DevOps Workflow
What is DevOps? DevOps is a collaborative approach that bridges the gap between development and operations teams, enabling faster and more reliable delivery of software. It emphasizes automation, continuous integration, and streamlined processes to enhance productivity and efficiency. This interactive workflow showcases the key steps in a DevOps pipeline, from creating a Git repository to […]
How to Pass the CKS Exam: Questions and Answers You Need to Know
The Certified Kubernetes Security Specialist (CKS) certification is a highly regarded credential designed for professionals who want to demonstrate their expertise in securing Kubernetes environments. The certification is provided by the Cloud Native Computing Foundation (CNCF) in collaboration with The Linux Foundation. Key Aspects of the CKS Certification: 1. Target Audience: 2. Skills Validated: 3. […]
How to patch kubernetes existing deployment? How to roll back?
Patching a Kubernetes deployment involves making updates or changes to an existing deployment. This can be useful for various reasons, such as fixing bugs, applying security updates, introducing new features, or making configuration changes. Kubernetes provides several mechanisms to patch deployments, and the choice depends on the nature of the changes you want to make. […]
kubernetes – How to enable tanzu on VMware vSphere?
VMware Tanzu is a portfolio of products and services designed to help organizations build, run, and manage modern applications on Kubernetes. VMware Tanzu provides tools and solutions that enable enterprises to embrace containerization, microservices architecture, and cloud-native application development practices. It is part of VMware’s vision for supporting modern application development and deployment in a […]
k8s Certs – How to validate private key and TLS certificate?
In a Kubernetes cluster, certificates are crucial for securing communication between various components. For example, a Kube API server certificate secures communication between the Kubernetes API server and other components. It is used for authenticating and authorizing API requests. This article will help you to validate your private key and certificate. Sometimes, we would miss […]