--- title: "Muhammad Usama (@usama855) | Hashnode" description: "DevOps Engineer. Read the latest articles by Muhammad Usama on Hashnode." url: "https://hashnode.com/@usama855" --- @usama855 # Muhammad Usama @usama855 · Joined October 2022 DevOps Engineer ### [Cloud, DevOps & AI Weekly — Issue #1](https://mdusama.hashnode.dev/cloud-devops-and-ai-weekly-issue-1?utm_source=hashnode&utm_medium=feed) Weekly roundup of cloud, DevOps, AI, and security updates. 3 min read · [mdusama.hashnode.dev](https://mdusama.hashnode.dev/cloud-devops-and-ai-weekly-issue-1?utm_source=hashnode&utm_medium=feed) [Jan 3](https://hashnode.com/posts/cloud-devops-and-ai-weekly-issue-1/69591e5ee854416525ae91fd) ### [Kubernetes Probes: Liveness, Readiness, and Startup](https://mdusama.hashnode.dev/kubernetes-probes-liveness-readiness-and-startup?utm_source=hashnode&utm_medium=feed) Kubernetes liveness, readiness, and startup probes are like health check mechanisms for your applications running in containers, ensuring they’re operating smoothly. Here’s a simple explanation of each using an analogy of running a business. 𝗟𝗶𝘃𝗲... 6 min read · [mdusama.hashnode.dev](https://mdusama.hashnode.dev/kubernetes-probes-liveness-readiness-and-startup?utm_source=hashnode&utm_medium=feed) [Nov 3, 2024](https://hashnode.com/posts/kubernetes-probes-liveness-readiness-and-startup/6727a4bfd0425ae3cec57a74) ### [Terraform State Manipulation](https://mdusama.hashnode.dev/terraform-state-manipulation?utm_source=hashnode&utm_medium=feed) Learn how to manage and manipulate Terraform state with commands like \`state mv\`, \`state rm\`, and \`import\` for effective infrastructure tracking 3 min read · [mdusama.hashnode.dev](https://mdusama.hashnode.dev/terraform-state-manipulation?utm_source=hashnode&utm_medium=feed) [Oct 18, 2024](https://hashnode.com/posts/terraform-state-manipulation/671296f4c708f7bd355ecdda) ### [How to create a read-only user in PostgreSQL?](https://mdusama.hashnode.dev/how-to-create-a-read-only-user-in-postgresql?utm_source=hashnode&utm_medium=feed) Why do we need a read-only user? Creating a read-only user in any database is essential for several reasons, especially when it comes to security, data integrity, and access control. In this guide, we'll explore how to create a read-only user in Post... 3 min read · [mdusama.hashnode.dev](https://mdusama.hashnode.dev/how-to-create-a-read-only-user-in-postgresql?utm_source=hashnode&utm_medium=feed) [Oct 8, 2024](https://hashnode.com/posts/how-to-create-a-read-only-user-in-postgresql/67053c3b2566417e3a3f5b78) ### [How to Run Umbraco CMS with Docker](https://mdusama.hashnode.dev/how-to-run-umbraco-cms-with-docker?utm_source=hashnode&utm_medium=feed) How to Set Up Umbraco CMS in Docker: Easy Step-by-Step Instructions 2 min read · [mdusama.hashnode.dev](https://mdusama.hashnode.dev/how-to-run-umbraco-cms-with-docker?utm_source=hashnode&utm_medium=feed) [Jul 14, 2024](https://hashnode.com/posts/how-to-run-umbraco-cms-with-docker/6693bfc14eb9c19b1fb2fdce)