Starting Chapter 7 I’m starting Chapter 7 on Mastering Linux Administration, and this is where things begin to feel different. Up to this point, working in Linux feels contained. You install software, manage files, and run commands on your own machine. Everything stays local and predictable. It feels like you are in control of a single system. But networking changes

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Let me get this out of the way: yes, I know we’re living in the Age of AI. Machines are writing essays, generating art, chatting like therapists, and possibly plotting to take over your job while pretending to be helpful productivity tools. Meanwhile, “the cloud” isn’t just where your embarrassing high school photos live—it’s where your entire business infrastructure has

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