Writing
Tagged “sysadmin”
18 articles
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Enterprise Linux Engineer Essentials
The skills that separate a Linux engineer an enterprise trusts with production from someone who has memorized commands. The fundamentals that never go out of date, the modern stack on top of them, and the habits nobody…
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Comparing top, htop, and glances: Usage and Benefits
Three tools for the same question, "what is this box doing?", and the keys and numbers that actually answer it. How to read load average, memory and iowait without fooling yourself, plus the one tool on the list that…
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Apache2 vs Nginx: Pros and Cons
Most of what people repeat about Apache being slow and nginx being hard is ten years out of date. How the two actually differ in 2024, where each one still wins, what this year's nginx fork means, and the setup I'd…
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Least Privilege Principle
Every big breach this year turned on an account that could do more than it needed to. The least privilege principle is fifty years old and still the cheapest security control there is. What it means in practice on…
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Leveraging AI Tools to Increase Efficiency: Pros and Cons
AI assistants are genuinely useful for technical work and genuinely dangerous when trusted blindly. Where they save time for engineers and sysadmins, where they've already embarrassed people who believed them, and the…
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The Importance of Switching from IPv4 to IPv6
The world ran out of IPv4 addresses thirteen years ago, and this year Amazon started charging rent on every one. What IPv6 actually fixes, which of its selling points are myths, the mistakes that bite sysadmins turning…