By using – limit argument with ansible-playbook command we can exclude a host from playbook execution. If hostname starts with “!” it will excluded from host execution. Lets say if we want to exclude host1 and host2 from ansible-playbook execution…
{% start %} Kubernetes (K8s) has become the backbone of modern container orchestration, enabling organizations to deploy, scale, and manage containerized applications with ease. However, mastering Kubernetes requires more than just running kubectl commands you need a solid grasp of…
Ever wondered how to keep your Kubernetes applications running smoothly during upgrades or maintenance ? Pod Disruption Budgets (PDBs) — your secret weapon for ensuring high availability and reliability. In this guide, we’ll break down what PDBs are, why they matter, and how…
Pushing Docker images using GitHub Actions can streamline your deployment process. In this guide, we’ll show you how to push a Docker image to Docker Hub using GitHub Actions, step by step. You can also find a detailed example by…
In this post, we’ll explore two important AWS services—AWS Inspector and AWS Trusted Advisor—which are sometimes confused but serve different purposes. Understanding these services is crucial, especially when preparing for the AWS SysOps exam, as they are commonly tested. By…
In my previous blog, we talked about How to configure Nginx as a load balancer, today we gonna talk about How to configure Security Headers in Nginx make sure to restart Nginx after each modification using this command nginx -s reload HTTP…
I truly hope it treats you awesomely on your side of the screen :),in this blog, I want to give a tutorial on how to configure Nginx as a load balancer. What is a load balancer? A load balancer is…
Bash scripting is a powerful tool for automating tasks on Unix-like systems. One of its most versatile commands, ‘find’, allows users to search for files based on various criteria. In this blog post, we will delve into the art of…
Welcome, letstalkaboutdevops readers! In this blog post, we’ll cover the essentials of Amazon S3 (Simple Storage Service) to help you understand its core features and why it’s a fundamental service in cloud computing. By the end of this read, you’ll…
Hello, This article will discuss how to manage secrets, such as usernames, passwords, tokens, and sensitive information in your Ansible playbooks. Ansible Vault can encrypt and decrypt arbitrary variables and files, which means you can use it to protect variable…