“What started as a terminal window opened into a whole new world — one keystroke at a time.”

🗓️ The Beginning

30 days ago, I started a challenge to learn Linux — not just use it, but understand it at its core. Today, I’m wrapping it up not with an end, but with a beginning: my story, my learnings, and a huge thank you to everyone who followed my journey — 1300+ dev.to friends, CloudWhislter Community this one's for you. 🙌

🔧 My Favorite Projects & Moments:

✅ Git & Terraform:
I learned how version control and infrastructure as code can empower reproducible setups — from git commits to terraform apply.
❤️ Health Check to AI-powered Fixes:
I automated health checks and paired them with AI-based diagnostics — the terminal became my stethoscope.
📩 Email Integrations:
Bash + mail + scripts → Now I get notified when my cron job fails. No surprises.
🚫 Breaking Free from Social Media:
Used /etc/hosts to block dopamine-draining distractions. Focus mode: ON.
⚠️ Dangerous Commands I’ll Never Touch:
Documented rm -rf /, :(){ :|:& };: and others. Linux is powerful — but it demands respect.
🔐 SSH Key Authentication:
No more passwords. Public/private key pairs feel like magic 🔑.

🧠 Linux as a Learning Playground:

Taught a 10-year-old Linux using a Candy Crush game from the terminal.
Built a command-line Hunt Game that teaches logic and grep-fu.
Wrote a script that summarizes 5 days of commands for anyone to follow in series.

🛠️ Cool Stuff I Built:

🤖 Raspberry Pi Smart Cat Feeder with AI object recognition
🌦️ Terminal Weather App
🚀 CI/CD pipeline using shell, GitHub Actions, and deploys
🔒 Secure banking portal simulation (permissions, encryption, firewall with iptables)
📁 Explored Linux filesystem like a digital archaeologist

🌍 Linux History, Even NASA Style:

Did you know Linux powers NASA’s Mars rovers, ISS systems, and even your smart fridge?
I read the kernel commits like ancient scrolls.

💬 Lessons I’ll Take Forever:

Don’t memorize commands — understand patterns.
The terminal isn’t just a tool — it’s a mindset.
Open source isn't just free. It’s freedom.

👏 Thank You!

To everyone who followed, cheered, messaged, or just read my posts — thank you.
1300+ followers on dev.to, you made this journey memorable. 🙌

Special thanks to the CloudWhislter Community for giving me the opportunity and platform to grow, share, and stay inspired. 🌐💙

And to Linux:
Thank you for the errors, the logs, the fixes, the challenges.

#30DaysLinuxChallenge #CloudWhisler
#DevOps #Linux #RHCSA #Opensource #AWS #CloudComputing

Catch out by My LinkedIn profile
https://www.linkedin.com/in/rajpreet-gill-4569b4161/