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There is a piece of jargon that shows up in almost every conversation about connecting an AI assistant to real software: MCP. The Model Context Protocol is described as the standard way to give models access to tools an…
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There is a version of this question that sounds obvious and is not: HTTP/3 has been a published IETF standard since June 2022, most browsers speak it, and roug…
There is a specific moment in the life of a small web application when the login form starts to feel like a liability rather than a feature. Passwords leak, pe…
Client IPs Behind a Reverse Proxy - Trust the Connection Before the Header An application behind a reverse proxy faces an awkward choice. If it records only t…
A service starts during boot, tries to contact a remote endpoint, and fails because the machine has not finished acquiring an address. Adding After=network.tar…
An Nginx configuration can be valid and still be wrong. A proxy rule may point to the wrong upstream, a hostname may fall into the default server, or a header …
A small application reads an incoming email, asks a language model to summarize it, and then, if the summary mentions a task, lets the model trigger a follow-u…
A job is scheduled every five minutes, but one run occasionally needs six. When the next trigger arrives, should it start a second copy, wait behind the first,…
Nginx returns a 502 response, and the error log mentions a Unix socket used by PHP-FPM. It is tempting to make that socket writable by everyone and move on. Bu…
A PHP request fails, but the visible clues are scattered. Nginx records a status and duration in one file. PHP records an exception somewhere else. Several req…
