Linux & Cyber Hub

Linux & Cyber Hub learn linux,Cybersecurity,network working& Ethical Hacking. Dailytips, tutorials and career guidance.

18/09/2026

Want to build a career in Cybersecurity IT and Cloud Computing but do not know where to start? 🚀
Welcome to my channel. I break down complex Cloud and IT topics into simple terms. From zero to advanced.
Check the link in the first comment for full lectures. 👇
📌 Follow for daily tech knowledge and save this reel for later.
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13/09/2026

🚀 DAY 40 | id & sudo
Today's lesson was about identity and permissions—two concepts that every Linux user should understand.
💡 What I Learned
id displays the current user's UID, GID, and group memberships.
sudo allows trusted users to execute administrative commands securely.
Understanding permissions is essential for managing Linux systems safely.
🧠 My Mindset
The more I learn Linux, the more I realize that strong engineers don't just know commands—they understand responsibility.
Every new concept strengthens my foundation for DevOps, cloud, and system administration.
I'm not rushing the journey.
I'm building skills that will stay valuable throughout my career.
Day 40 Complete. 🚀
💬 Question for the community:
Which Linux command taught you the most about how the operating system really works?

19/08/2026

🚀 DAY 39 | WHO • WHOAMI • WHICH
Today's learning was simple, but incredibly useful.
These commands don't change the system—they help you understand it.
💡 What I Learned
who → Shows logged-in users.
whoami → Displays the current user.
which → Finds the location of a command.
🧠 My Mindset
The basics are never small.
Every experienced Linux engineer started by mastering commands like these before moving to advanced tools.
I'm learning one command at a time, building a foundation that will support every future technology I work with.
Day 39 Complete. 🚀
💬 Question: Which Linux command do you use most often in your daily work?

08/08/2026

🚀 DAY 38 | UNAME • UPTIME • DATE
Today, I learned three simple but important Linux commands that help me understand my system better.
💡 What I Learned
uname → Displays system and kernel information.
uptime → Shows how long the system has been running and its current load.
date → Displays the current date and time.
🧠 My Mindset
Strong foundations are built by understanding the basics deeply.
Every command may look small, but together they build the confidence to manage real Linux systems.
I'm learning one step at a time, staying consistent, and focusing on becoming a better Linux and DevOps engineer every day.
Day 38 Complete. 🚀

06/08/2026

| VMSTAT – System Performance Monitor
Today, I learned how to monitor system performance using the vmstat command.
💡 What I Learned
Monitor CPU usage
Check memory statistics
View I/O activity
Understand overall system performance
🧠 My Mindset
The deeper I go into Linux, the more I realize that every command teaches a different way of understanding a system.
I'm not learning commands to complete a checklist.
I'm learning to understand how Linux works behind the scenes.
Every day of practice makes my foundation stronger and brings me one step closer to becoming a better Linux and DevOps engineer.
Day 37 Complete. 🚀

02/08/2026

Day 36 – Linux for DevOps 🐧
Ever run a long process on a remote server, then your SSH session drops... and the process dies too? That used to happen to me a lot. Today I learned two commands that fixed this problem for good.
nohup lets a process keep running even after you log out or close the terminal. No more losing hours of work because of a disconnected session. And free -h gives you a quick, human-readable view of how much RAM and swap your system is actually using — super useful before running anything heavy.
Small commands, but they save real production headaches. This is what I like about Linux — every day there's one tiny tool that quietly makes your life easier once you know it exists.
Have you ever lost a running process because your session disconnected? How did you handle it?

31/07/2026

🚀 DAY 35 | Process Management – fuser & kill
Today, I explored two practical Linux commands: fuser and kill.
These commands are especially useful when an application is using a file or port that blocks your work.
💡 What I Learned
fuser identifies which process is using a file or network port.
kill stops a process using its Process ID (PID).
Together, they help troubleshoot and manage Linux systems efficiently.
🧠 My Mindset
Learning Linux isn't just about remembering commands.
It's about understanding how to diagnose problems and fix them with confidence.
Every challenge I solve today prepares me to handle bigger systems tomorrow.
Day 36 Complete. 🚀
One command at a time. One skill at a time. One step closer to becoming a better Linux and DevOps engineer.

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