ICMP timestamp: invisible behind Cloudflare, still there
A scan of the domain behind Cloudflare says "host down", while the origin answers ICMP type 13 and hands out its clock to the second. Why no sysctl for timestam...
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Notes on development, servers and tooling
A self-made page-view counter: 89 of 151 views were bots
The admin "Traffic" section records page views from the browser: bots do not execute JS, so the stats should clean themselves up. Three weeks later 89 rows out...
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Client panels behind Cloudflare: how not to break the health check
Tenant domains moved behind Cloudflare and the «domain is connected and points to us» check started lying about perfectly working panels: behind the proxy a dom...
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Uptime without illusions: health checks, thresholds and false alarms
347 thousand checks in ten days, 177 incidents and a median outage of 62 seconds. Why a 200 response does not mean «working», why you need a failure threshold,...
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needrestart: what it checks and what it never does
Checking whether a server needs a reboot took half a day instead of five minutes. Why needrestart cannot reboot anything, how -k differs from -l, what the -p mo...
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A Laravel blog from scratch: the design and five rakes
Three tables, scheduled publishing without cron, a view counter with per-IP throttling and votes you can change. Plus five rakes I stepped on, from route order...
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AI in development: not autocomplete, but tooling
Project memory, repeatable procedures and production access. What belongs in a project description, why skills must not contain client names, and how to verify...
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A bilingual Laravel site without lang files
Language in the route instead of the session, copy in three places and why that is deliberate, falling back to Russian when a translation is missing, and a swit...
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IndexNow in Laravel: two traps nobody warns you about
The protocol is simple: one POST with a key and a list of URLs. But a model observer easily turns into three requests per page view, and the test suite starts c...
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