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 […]
DevOps
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 […]
How to renew Kubernetes expired certificates?
How do you renew the kubernetes expired certificate? Kubernetes uses various certificates for secure communication within the cluster. These certificates are essential for securing communication between various components, such as API servers, kubelets, and etcd. Environment: root@kmaster1:~# kubectl version –shortClient Version: v1.22.0Server Version: v1.22.15root@kmaster1:~# Here are some of the important certificates used in Kubernetes: How […]
How do you create a first helm chart? Kubernetes Package Manager
Helm is a package manager for Kubernetes that allows you to define, install, and upgrade even the most complex Kubernetes applications. Helm is one of the most vital tools in DevOps. Kustomize is a built-in tool for Kubernetes that allows you to customize raw, template-free YAML files for multiple purposes, including managing multiple versions of […]
How to secure Kubernetes cluster ? Why etcd backup is important ?
Securing etcd in a Kubernetes cluster is crucial as etcd is a distributed key-value store that holds the cluster’s configuration data, including sensitive information. It acts as a reliable and highly available database that stores information about the cluster’s configuration, its current state, and metadata. What “etcd” does in kubernetes ? 1. Configuration Data Store: […]
Kubernetes: How Blue-Green Deployment works?
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 […]
BDRSuite v5.6.0 – Released with Active Directory for Client addition
BDRSuite is a software suite designed for backup, disaster recovery, and business continuity purposes. It is typically used by businesses and organizations to protect their critical data and ensure that they can quickly recover from unexpected events, such as hardware failures, cyberattacks, natural disasters, and other disruptions. BDRSuite v5.6.0 released with fluid and clutter-free web […]