--- title: "#90daysofdevopschallenge articles | Hashnode" description: "Explore 1,095 articles tagged #90daysofdevopschallenge on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/90daysofdevopschallenge" --- Tag # #90daysofdevopschallenge 1,095 posts · 71 followers [Prasad Gangurde](https://hashnode.com/@prasad-gangurde) · [Feb 3](https://hashnode.com/posts/linux-architecture-processes-and-systemd/6982629ddf6a77ae15dfbf0b) ### [Linux Architecture, Processes, and systemd](https://90daysofdevopslearning.hashnode.dev/linux-architecture-processes-and-systemd?utm_source=hashnode&utm_medium=feed) As a DevOps engineer, you aren't just a user of the operating system; you are its mechanic. When a production server crashes or a deployment hangs, typing random commands won't save you. You need to understand the engine. Today, we are going deep (bu... 4 min read · [90daysofdevopslearning.hashnode.dev](https://90daysofdevopslearning.hashnode.dev/linux-architecture-processes-and-systemd?utm_source=hashnode&utm_medium=feed) [Ali Masiu zama](https://hashnode.com/@Alimasiuzzama) · [Dec 4, 2025](https://hashnode.com/posts/hands-on-installing-kubernetes-tools/693aa208eadaa8722c35bda3) ### [Hands-On: Installing Kubernetes Tools](https://alimasiuzzama.hashnode.dev/hands-on-installing-kubernetes-tools?utm_source=hashnode&utm_medium=feed) Table of contents Installed & Configured everything step-by-step. Install Docker Install Kind Install kubectl Creating Kubernetes Cluster Using Kind Create a Namespace.yml file Create Pod Create Deployment file Scale the Pods/replicasets Ma... 4 min read · [alimasiuzzama.hashnode.dev](https://alimasiuzzama.hashnode.dev/hands-on-installing-kubernetes-tools?utm_source=hashnode&utm_medium=feed) [Ali Masiu zama](https://hashnode.com/@Alimasiuzzama) · [Nov 22, 2025](https://hashnode.com/posts/ansible-a-complete-beginner-guide/693aa34ac3be79a047b650e1) ### [Ansible — A Complete Beginner Guide](https://alimasiuzzama.hashnode.dev/ansible-a-complete-beginner-guide?utm_source=hashnode&utm_medium=feed) Table of contents You now will understand: What is Ansible? → Why to use it? → Architecture → Installation → Inventory → Ad-Hoc Commands, and finally hands-on examples. What is Ansible? Why Ansible? Ansible Architecture (Simple Explanation) Ans... 5 min read · [alimasiuzzama.hashnode.dev](https://alimasiuzzama.hashnode.dev/ansible-a-complete-beginner-guide?utm_source=hashnode&utm_medium=feed) [Ali Masiu zama](https://hashnode.com/@Alimasiuzzama) · [Nov 19, 2025](https://hashnode.com/posts/mastering-docker-compose-networks-volumes-and-container-communication/693ab63eca81878186f5adfa) ### [Mastering Docker Compose: Networks, Volumes, and Container Communication](https://alimasiuzzama.hashnode.dev/mastering-docker-compose-networks-volumes-and-container-communication?utm_source=hashnode&utm_medium=feed) Table of contents Table of Contents 1. Introduction 2. What is Docker Compose? 3. Setup and Prerequisites 4. Building a Docker Compose File 5. Starting the Containers 6. Testing Container-to-Container Communication 7. Understanding Volumes (S... 4 min read · [alimasiuzzama.hashnode.dev](https://alimasiuzzama.hashnode.dev/mastering-docker-compose-networks-volumes-and-container-communication?utm_source=hashnode&utm_medium=feed) [ALI MASIU ZAMA](https://hashnode.com/@Alimasiuzama) · [Oct 16, 2025](https://hashnode.com/posts/docker-cheatsheet-all-essential-commands-for-devops-engineers/674fe9096009e72b3a72d967) ### [Docker Cheatsheet — All Essential Commands for DevOps Engineers](https://alimasiuzama.hashnode.dev/docker-cheatsheet-all-essential-commands-for-devops-engineers?utm_source=hashnode&utm_medium=feed) Table of Contents Install & Setup Docker Docker Basics Container Management Image Management Dockerfile Commands Volumes & Data Management Networking in Docker Docker Compose Docker Logs & Inspect System Cleanup & Info Bonus: Docker Useful... 5 min read · [alimasiuzama.hashnode.dev](https://alimasiuzama.hashnode.dev/docker-cheatsheet-all-essential-commands-for-devops-engineers?utm_source=hashnode&utm_medium=feed) [Akash Kharabe](https://hashnode.com/@akashawscloud) · [Aug 30, 2025](https://hashnode.com/posts/software-development-life-cycle-known-as-sdlc-for-devops/68b32c2b729f7ca5f4fbdcd3) ### [Software Development Life Cycle known as SDLC for DevOps](https://what-is-sdlc-for-devops.hashnode.dev/software-development-life-cycle-known-as-sdlc-for-devops?utm_source=hashnode&utm_medium=feed) DevOps is a combination of Development (Dev) and Operations (Ops).It is a set of practices, tools, and cultural philosophies that automate and integrate processes between software development and IT teams. DevOps helps to Accelerate team communicatio... 2 min read · [what-is-sdlc-for-devops.hashnode.dev](https://what-is-sdlc-for-devops.hashnode.dev/software-development-life-cycle-known-as-sdlc-for-devops?utm_source=hashnode&utm_medium=feed) [Vaishnavi D](https://hashnode.com/@VaishnaviDhawalekar) · [Aug 24, 2025](https://hashnode.com/posts/day-90-of-90-days-of-devops-challenge-aws-well-architected-framework/68ab751ca4759b347c614417) ### [Day 90 of 90 Days of DevOps Challenge: AWS Well-Architected Framework](https://zerotoroot.hashnode.dev/day-90-of-90-days-of-devops-challenge-aws-well-architected-framework?utm_source=hashnode&utm_medium=feed) Explore AWS Well-Architected Framework for secure, efficient, and sustainable cloud systems on Day 90 of the DevOps Challenge 4 min read · [zerotoroot.hashnode.dev](https://zerotoroot.hashnode.dev/day-90-of-90-days-of-devops-challenge-aws-well-architected-framework?utm_source=hashnode&utm_medium=feed) [Aditya Sharma](https://hashnode.com/@brahmanaditya37) · [Aug 13, 2025](https://hashnode.com/posts/90-days-of-devops-kicking-off-my-college-major-project/689c708a692aa32816cd1309) ### [90 Days of DevOps - Kicking Off My College Major Project!](https://gkv-devops.hashnode.dev/90-days-of-devops-kicking-off-my-college-major-project?utm_source=hashnode&utm_medium=feed) Yo, bhai log ! Welcome back to my 90 Days of DevOps journey! 😎 I’ve been grinding through DevOps tools like a true desi coder, and as of Day 43, I’ve tackled a ton of cool stuff. Now, starting Day 44, I’m leveling up with a bhasad-level project that... 5 min read · [gkv-devops.hashnode.dev](https://gkv-devops.hashnode.dev/90-days-of-devops-kicking-off-my-college-major-project?utm_source=hashnode&utm_medium=feed) [Aditya Tiwary](https://hashnode.com/@aditya86) · [Jul 29, 2025](https://hashnode.com/posts/day-7-13-optimization-of-docker-image/68890cf723691b688763fadf) ### [Day 7-13 Optimization of Docker Image](https://100sdaysofdevops.hashnode.dev/day-7-13-optimization-of-docker-image?utm_source=hashnode&utm_medium=feed) Optimizing a Dockerfile is crucial for improving build speed, image size, and container performance. Here’s a breakdown of various steps to optimize your Dockerfile: 🧱 1. Use Multi-Stage Builds Purpose: Reduce final image size by separating build a... 2 min read · [100sdaysofdevops.hashnode.dev](https://100sdaysofdevops.hashnode.dev/day-7-13-optimization-of-docker-image?utm_source=hashnode&utm_medium=feed) [Vaishnavi D](https://hashnode.com/@VaishnaviDhawalekar) · [Jul 26, 2025](https://hashnode.com/posts/day-85-of-90-days-of-devops-challenge-enhance-monitoring-using-cloudwatch/68a47d86c1aac7a2d22c7460) ### [Day 85 of 90 Days of DevOps Challenge: Enhance Monitoring using CloudWatch](https://zerotoroot.hashnode.dev/day-85-of-90-days-of-devops-challenge-enhance-monitoring-using-cloudwatch?utm_source=hashnode&utm_medium=feed) Amazon CloudWatch optimizes cloud performance with comprehensive metrics, alerts, and logs, ensuring proactive issue resolution 3 min read · [zerotoroot.hashnode.dev](https://zerotoroot.hashnode.dev/day-85-of-90-days-of-devops-challenge-enhance-monitoring-using-cloudwatch?utm_source=hashnode&utm_medium=feed)