Troubleshooting by smell: noticing what’s off before you know why
The useful part of experience isn’t the answers, it’s the flinch you get a half-second before you can explain it. Here’s how I try to teach that.
Everything tagged debugging
The recurring joke and the recurring cause. Grouped by kind, newest first.
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Why your Wi-Fi is fine and your DNS is not
Four commands, in order, that tell you which half of “the internet is down” you are actually standing in.