Free
Website
AI & Assistive Tools
ComputingForGeeks
A library of more than 4,400 free tutorials on Linux, DevOps, cloud, and server administration, published since 2014.
#linux#devops#cloud
Resource Hub
Everything I'd send you, in one place
3488 hand-picked resources for students, job seekers, career changers, founders, and AI learners — 100% free to browse with no account required.
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14 resources
Free
Guide
Tools & Practice
DORA's software delivery performance metrics
Guide from DORA, a long-running research program, to the metrics it uses to measure software delivery and operations performance.
#developer-productivity#devops
Free
Article
AI & Assistive Tools
Honeycomb Unveils New AI Observability Features
Honeycomb announcement of AI Ecosystem, a fleet-wide view of AI agent performance and cost, and Canvas connectors that bring code, tickets and context into investigations. Free to read; the product itself is commercial.
#observability#ai-agents#devops
Free
Website
AI & Assistive Tools
SRE Academy (Autoheal)
Free guides from Autoheal on site reliability engineering: alert triage, incident management, postmortem reports, MTTD vs MTTR, SLOs and AI-assisted reliability work.
Why I recommend it: Autoheal sells an AI reliability product; the guides are free to read.
#sre#devops#incident-management
Free
Website
AI & Assistive Tools
Kubernetes
The official home of Kubernetes, the free open-source system for running and scaling containerized applications. Includes full documentation, tutorials and a browser-based interactive learning track — useful background if you are moving toward cloud, DevOps or AI infrastructure work.
Why I recommend it: The software and docs are free and open source. Running Kubernetes on a cloud provider costs money, so stick to the free local tutorials while you are learning.
#kubernetes#devops#cloud
Free
Website
Career & Professional Optimization
GitHub Resources and Guides
GitHub's free article library explaining version control, DevOps, CI/CD, security practices and AI-assisted development in plain terms.
From the site: GitHub is where people build software. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects.
Why I recommend it: Good plain-English explainers for the terms that show up in job descriptions — read the DevOps and CI/CD ones before an interview.
#github#version-control#devops
FreeFinder Tool
Career & Professional Optimization
Red Hat Skills Assessment
A free self-assessment that maps your current Linux, cloud and automation skills against Red Hat's role paths and points you to the training and certifications that close the gaps.
Why I recommend it: Take this before you pay for any cloud certification — it tells you where you actually stand and what to study first.
#skills-assessment#certification#linux
Free
Publisher
AI & Assistive Tools
Opensource.com
Free articles, tutorials and downloadable guides on open-source tools, Linux, containers and community-run projects, written by practitioners.
Why I recommend it: A good habit read — practical how-tos rather than product marketing.
#open-source#linux#tutorials
aws.amazon.comFree
Document
AI & Assistive Tools
AWS Whitepapers and Guides
Free technical whitepapers, reference architectures and best-practice guides on cloud architecture, security, machine learning and cost optimisation.
Why I recommend it: Free and deep — the well-architected guides are what cloud interviews are drawn from.
#architecture#aws#certification
aws.amazon.comAdded Sep 17, 20260 opensFree
Course
AI & Assistive Tools
Terraform Documentation & Tutorials
HashiCorp's free documentation, hands-on tutorials and sandbox for Terraform, the infrastructure-as-code tool used to build and version cloud infrastructure across AWS, Azure, Google Cloud, Oracle Cloud and Docker.
Why I recommend it: Free, official, step-by-step tutorials — one of the fastest ways to get a real cloud skill on your resume without paying for a course.
#terraform#infrastructure-as-code#devops
Free
Tool
Technology & Ethics
Honeycomb
Observability platform with a free-forever tier for distributed tracing, metrics, OpenTelemetry support and AI-assisted debugging. Useful for engineers learning modern observability and incident response.
#observability#distributed-tracing#engineering
Free
Publisher
Technology & Ethics
The New Stack
A publisher covering cloud native, DevOps, open source, and AI-native software engineering news and analysis for developers, platform engineers, and engineering leaders.
Why I recommend it: One of the few tech news sources I trust to go deeper than the press release. If you are trying to understand what is actually happening in AI-native engineering, start here.
#ai ethics#ai-native#articles
Free
Training Program
Career & Professional Optimization
AWS Skill Builder
Free cloud training and learning plans that lead toward AWS certifications.
Why I recommend it: Start with the free digital courses in the role you want before you pay for an exam voucher.
#aws#career#career-development
Free
Platform Tool
Marketing & Platform Tools
Convert GitHub Actions to GitLab CI/CD (Free AI Skill)
Free AI skill that converts GitHub Actions workflows into GitLab CI/CD pipelines, usable from Cursor, VS Code, Claude, or any MCP-compatible client.
From the site: Convert GitHub Actions workflows to GitLab CI/CD in seconds. Add a free AI skill to Cursor, VS Code, Claude, or any MCP-compatible client.
Why I recommend it: A practical way to show DevOps range: migrate a pipeline, document what changed, and add it to your portfolio. Also a clean example of how MCP skills plug into everyday tooling.
#ai-skill#automation#ci-cd