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…
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…
Hello, I truly hope it treats you awesomely on your side of the screen :),Troubleshooting Linux servers is a crucial skill for system administrators and IT professionals. This process involves identifying and resolving issues that may arise in the operation…
What is Terraform ? Terrafom is an infrastructure as code tool that lets you define both cloud and on-prem resources in human-readable configuration files that you can version, reuse, and share. You can then use a consistent workflow to provision and…
Ansible is a powerful automation tool that makes it easy to manage and configure servers, applications, and infrastructure. As your infrastructure expands, your Ansible playbooks become more complex and time-consuming. Keeping Ansible running efficiently is crucial for maintaining a responsive and…