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Practical, hands-on guides on Kubernetes, DevOps, cloud infrastructure, security, and AI/LLMOps — written from real production work.
How to kube-API Server Works
Example: $ kubectl get nodes NAME STATUS ROLES AGE VERSIONk8s-master Ready control-plane…
Certified Kubernetes Administrator (CKA)
The Certified Kubernetes Administrator (CKA) certification course is designed to validate the skills and knowledge of professionals who work with Kubernetes. Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. The CKA certification is offered by the Cloud Native Computing Foundation (CNCF) and is widely recognized in…
Wildcard Domain SSL Integration
How to configure a free single Let’s Encrypt SSL/TLS wildcard Certificate with NGINX Prerequisites Reference: What is certbot Certbot is a agent for letsencrypt that runs in a server to complete the letsencrypt challenge, request a certificate and get a certificate. What is Letsencrypt challenge Letsencrypt want to verify that you own the domain. So…
How to work Kubernetes
Kubernetes (K8s) is an open-source container orchestration platform designed to automate the deployment, scaling, and management of containerized applications. Its workflow involves several key components and processes: Certainly! Let’s dive deeper into each step of the Kubernetes deployment workflow: By following these steps, Kubernetes automates the deployment and management of containerized applications, providing a scalable,…
Jenkins Installation
Add the Jenkins repo key $ wget -q -O – https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add – Add the Debian package repository $ sudo sh -c ‘echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list’ Update the repo with the system $ sudo apt update If get an issue during the Jenkins repo update run the following command sudo…