Developer · Author · Creator

Building things
worth learning from.

Structured learning resources, books, and digital products — for developers, thinkers, and people building something meaningful with their time.

Digital products

Three resources.
One framework each.

Every product is a structured system, not a loose collection of tips. Built to get you from zero to capable.

01 DevOps · Cloud · Lab

DevOps Hub

A complete local lab environment to master multi-cloud DevOps — without paying cloud bills while you learn.

  • Multi-cloud local lab guide (Windows & Mac)
  • 10-phase DevOps Proficiency Roadmap
  • Troubleshooting playbook & readiness quiz
  • Tool stories, practice scenarios & more
Explore DevOps Hub →
02 Book · Habits · Reset

66 Days Reset Model

A 66-day personal transformation framework built on the science of habit formation — structured week by week, day by day.

  • Full 66-day daily guide
  • Science-backed habit framework
  • Weekly reflection & progress checkpoints
  • Written for real people, not productivity gurus
Explore the book →
03 Python · Code · Mastery

Python One-Liner Playbook

Master Python's expressive power through 12 chapters of one-liners — each one a concept, not just a trick.

  • 12-chapter structured main book
  • 100-challenge Exercise Catalog (2 volumes)
  • Quick-reference cheat sheet
  • Concept progression, not just clever tricks
Explore the playbook →

More in the works

New products built and released continuously. Watch this space.

Python Mastery Roadmap Coming soon
S

Selvasankar
Perumal

Developer · Author · Creator

Chennai, Tamil Nadu Digital product creator Author DevOps & Python educator

I'm a creator working across technology and writing — based in Chennai. My work starts from a simple belief: structured learning beats scattered content.

Every product I build is a system. Not a collection of tips, not a dump of information — a framework you can actually follow. The DevOps Hub gives you a lab environment that mirrors real-world cloud work. The 66 Days Reset Model gives you a week-by-week structure backed by habit science. The Python One-Liner Playbook gives you a concept progression, not just clever tricks.

If you're building something — a skill, a habit, a career — I'm interested in the systems that make it work. That's what I write about, and that's what I build.