Every linux expert has a page like this. 📖
Today, while cleaning up some old notes, I came across these handwritten pages on Ubuntu Linux.

Looking at them made me smile.

There was a time when terms like Kernel, Shell, Bootable USB, and Open Source felt…

It took me 7 years two get placed in Walmart but this video will teach you everything to get hired in 2026 in just 7 minutes

In this video, you'll learn: https://lnkd.in/gBWK_zpK

PS: This ID card has changed my life ❤️

I am dealing with AWS first time. I am designing the architecture for our applications in organization.

I studied and designed one. I am sharing the picture so please look at it and suggest me if i missed anything in that (or) if anything to added or removed…

If software had a heart, Linux would be one of its strongest beats. ❤️
Most people see websites.
Engineers see servers.
Experienced engineers see everything happening underneath.

A single click on a website triggers:

Network communication
Kernel scheduling…

Is DevOps really dying, or is the job market simply changing or simply an employee is at comfort zone? In this video, we explore why DevOps salaries have declined in many regions, why job openings seem much lower than they were a few years ago, and what…

If I had to explain AWS in 1 minute

S3 → A giant online cupboard.
EC2 → A computer you rent.
Lambda → A robot that works only when called.
RDS → A database someone else manages.
IAM → Who gets the keys.
CloudWatch → Your system's security camera.
Route 53…

Can You Remember These Networking Ports in Under 60 Seconds?
Here's the easiest way to remember the most common networking ports:

20-21 → FTP
20 bags + 21 boxes = File Transfer

22 → SSH
22 is your secure key to the server.

23 → Telnet
One step after SSH…

Interviewer vs Candidate - Python Coding Challenge
Interviewer: How would you automate a Control-M job submission without opening the GUI?

Candidate: I'd use the Control-M Automation API with Python.

Interviewer: Interesting. Walk me through it.

Candidate:…

80% of Linux work can be done with just 20 commands.
When I first started learning Linux, I thought I had to memorize hundreds of commands.

I was wrong.

Over time, I noticed the same commands kept appearing every single day.

grep
find
awk
sed
tail
top…

25 Kubernetes Production Issues Every DevOps Engineer Should Know
Most Kubernetes tutorials teach you how to deploy applications.

Production teaches you how to debug them.

Here are 25 issues that almost every DevOps Engineer encounters in real-world

Kubernetes…

Preparing for Kubernetes exam? Keep This Cheat Sheet Handy!

Kubernetes has a steep learning curve, especially with the number of core concepts, resources, and controllers to remember.

To make learning easier, I found this concise 2-page Kubernetes Cheat…

Sir, I'm getting only ₹3.5 LPA offers. Should I quit tech?

That message hit my inbox at 11:47 PM.
The student wasn't untalented.
He wasn't lazy.

He was simply overwhelmed by comparing himself with people posting ₹20-30 LPA packages on LinkedIn.

I replied…

A few years ago, I still remember the frustration of spending hours applying for jobs, preparing for interviews, and wondering why companies expected "real-world experience" from people who had never been given a chance.

Later, while working as a DevOps…

Google SRE Interview Experience with Round Interview Questions

𝐑𝐨𝐮𝐧𝐝 𝟏 — 𝐂𝐨𝐝𝐢𝐧𝐠 / 𝐒𝐜𝐫𝐢𝐩𝐭𝐢𝐧𝐠

This round was focused more on practical problem-solving than just writing code.

A scenario involving processing data/logs and had to think about:

• Efficient…

This resume gave 20 LPA job to my student and here are 20 resume tips every student & professional Should Know

As a mentor, I often see talented students miss opportunities simply because their resumes don’t communicate their skills effectively.

Here are…

Here are 20 practical Linux commands worth learning for Linux/DevOps:

1. pwd         Show current directory
2. ls -la       List files, including hidden files
3. cd /path     Change directory
4. mkdir directory   Create directory
5. touch file.txt    Create…