{"id":"6870e086-b48a-45ce-ab29-61d02fbec829","shortId":"gFj2w4","kind":"skill","title":"Nginx Error Pattern Analyzer","tagline":"Analyzes Nginx error logs using GoAccess and custom regex parsers to identify recurring 502/503 patterns. Correlates upstream timeout errors with backend service health via Prometheus PromQL queries.","description":"# Nginx Error Pattern Analyzer\n\nAnalyzes Nginx error logs using GoAccess and custom regex parsers to identify recurring 502/503 patterns. Correlates upstream timeout errors with backend service health via Prometheus PromQL queries.\n\n## Installation\n\nUse the upstream install or setup path that matches your environment:\n- git clone https://github.com/nginx/nginx.git\n- make\n\nRequirements and caveats from upstream:\n- Processes synchronize data through shared memory. For this reason, many NGINX directives require the allocation of shared memory zones. As an example, when configuring [rate limiting](https://nginx.org/en/docs/http/ng...\n- Most Linux distributions will require several dependencies to be installed in order to build NGINX. The following instructions are specific to the apt package manager, widely available on most Ubuntu/Debian distributi...\n- Prior to building NGINX, you must run the configure script with [appropriate flags](https://nginx.org/en/docs/configure.html). This will generate a Makefile in your NGINX source root directory that can then be used to...\n\nBasic usage or getting-started notes:\n- [Getting started with NGINX](#getting-started-with-nginx)\n- While nearly all popular Linux-based operating systems are distributed with a community version of nginx, we highly advise installation and usage of official [packages](https://nginx.org/en/linux_packages.html) or sou...\n- For a gentle introduction to NGINX basics, please see our [Beginner’s Guide](https://nginx.org/en/docs/beginners_guide.html).\n\n- Source: https://github.com/nginx/nginx\n- Extracted from upstream docs: https://raw.githubusercontent.com/nginx/nginx/HEAD/README.md\n\n## Documentation\n\n- https://nginx.org/en/docs/\n\n## Source\n\n- [Agent Skill 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