Mastering Git: Complete Guide from Init to Push with Branch Management
Git from install to first push, with branching, remotes and the mistakes worth rehearsing. Every command shown with the real terminal output it produces.
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The Ultimate Guide to Installing and Using Terraform
Install Terraform on Ubuntu and RHEL, then master init, plan, apply, destroy and state commands with real terminal output plus three troubleshooting fixes.
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Organizing Ansible: A Deep Dive into Standard Directory Structure
How to structure an Ansible project: what belongs in inventories, roles, playbooks and vault, and why keeping them apart is what makes automation scale.
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DevOps: Concepts, Practices, and DevOps Engineer Role
DevOps is one of those words that has been stretched so far it barely means anything now. Recruiters use it for sysadmins. Vendors use it for whatever they happen to be selling. So before the practices and the job description,…
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What is DevOps? The Ultimate Guide to DevOps
What is DevOps? Take “development”, take “operations”, jam them together. That’s the word, and honestly the word tells you the whole story, because the thing it describes is two teams who worked at the same company and spent about fifteen…
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Working Effectively with Docker Images
Introduction In this article, I am going to begin by practicing on Docker images. I will be using my newfound knowledge of Docker images to pull, build, and launch containers. Worth pinning down the vocabulary first, because the two words…
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Install and Configure Node.js with Nginx on Ubuntu 20.04
Node.js is an open source JavaScript runtime for building server-side and network applications, and it runs on Linux, macOS, FreeBSD and Windows. Starting it from the command line is fine for development. It is not how you run anything in…
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