Struggling to understand how your requests actually reach a server?

Here’s the difference between:

🔹 Load Balancer
🔹 Reverse Proxy
🔹 Forward Proxy
🔹 API Gateway

Each plays a critical role in system design, scalability, and security.
Mastering these is non-negotiable if you’re aiming for backend mastery or interviews at top tech companies.

🐧 Quick Linux tip:

Need to repeat a command every few seconds?

Use:

$ watch -n 2 df -h

This runs df -h every 2 seconds.
Great for keeping an eye on disk usage, load, or log size changes.

Press q to quit.

🐧 Regular Expressions in Linux

🐧 Linux iptables examples