Điều GÌ Thực SỰ Xảy Ra Khi Bạn Gõ Localhost?

Localhost (127.0.0.1) is the backbone of every developer's workflow, but have you ever stopped to think about how it actually works? In this deep dive, we break down what happens when you type localhost in your browser, how the loopback interface functions, and why it’s essential for local development, debugging, and testing APIs. We’ll also explore the difference between localhost, private IPs, and public IPs, plus common networking pitfalls that trip up developers. By the end of this video, you’ll have a rock-solid understanding of 127.0.0.1, IPv4 vs. IPv6 resolution, DNS, and the hosts file—giving you an edge in backend development and system architecture. 🚀

https://www.linkedin.com/in/bytemonk/

📌 Timestamps

00:00 – Introduction: The Hidden Power of Localhost

01:20 – What is Localhost & Why Does It Matter?

03:00 – The Loopback Interface & 127.0.0.1 Explained

04:45 – Localhost vs. Private & Public IPs

06:15 – How Localhost Helps Developers in Testing & Debugging

07:50 – Common Issues & Fixes with Localhost

09:10 – Outro: Mastering Localhost for Better Development

https://www.youtube.com/playlist?list=PLJq-63ZRPdBt423WbyAD1YZO0Ljo1pzvY

https://www.youtube.com/playlist?list=PLJq-63ZRPdBssWTtcUlbngD_O5HaxXu6k

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https://www.youtube.com/playlist?list=PLJq-63ZRPdBslxJd-ZT12BNBDqGZgFo58

AWS Certification:

AWS Certified Cloud Practioner: https://youtu.be/wF1pldkQrOY

AWS Certified Solution Architect Associate: https://youtu.be/GzomXNLFgkk

AWS Certified Solution Architect Professional: https://youtu.be/KFZrBxSA9tI

#localhost #systemdesign #distributedsystems