Category: Linux
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What is DNS and how it makes the Internet work
In the vast, interconnected web we call the internet, everything seems seamless. You type a URL into your browser—like myblog.my-cool-domain.com—hit Enter, and voilà, you’re transported to a world of content, courses, and coffee-fueled learning. But behind this magic lies a humble hero: the Domain Name System, or DNS. Often called the “phonebook of the internet,”…
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What would happen if you typed `rm -rf /` in the Linux terminal?
The rm -rf / command is one of the most dangerous commands you can run on a Linux system. If executed without modern safeguards, it will systematically delete every file and folder on your computer, including essential system files needed for operation. This means your system will break down in real time, and once restarted,…