Insights
Engineering notes, infrastructure deep dives and practical guides from the Exotecho team.
The claim Deferring routine software updates because the system is working and an update might disrupt it feels like the safe, conservative choice, and it is the opposite. Updates...
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The claim When the same database serves both your customer-facing transactions and your internal reporting, the two are competing for the same resources, and the heavy reporting qu...
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The claim Knowing that your database backups exist and even that they are valid is not the same as knowing you can recover from a disaster, because the number that determines wheth...
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The claim A firewall configured to block a list of bad things and allow everything else is protecting you from yesterday's threats and nothing more, because the list can never be c...
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The claim Zero-downtime deployment and instant rollback are frequently treated as advanced capabilities that require a container orchestrator and a platform team. For a single appl...
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The claim Logs that live only on the machine that produced them are useless in exactly the situation you most need them: when that machine has failed. The disk fills, the host is t...
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The claim The shared admin account, whose password lives in a spreadsheet or a group chat and is known to everyone who has ever needed it, is the single most common serious securit...
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The claim A TLS certificate that a human has to remember to renew will, eventually, expire on a weekend and take your site down — and the industry is actively removing the margin f...
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The claim The place to reject abusive traffic is the cheapest place in your stack to reject it, and that is the reverse proxy at the edge — before the request reaches your applicat...
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