One-Command Website Stability Check: The Ultimate Curl Latency Test Script for Zsh
Need a fast, reliable way to test the latency and stability of multiple websites? This article provides a powerful Zsh script that leverages `curl`'s advanced features. It automatically handles URLs, measures key performance metrics (DNS, TCP, TLS, TTFB) over multiple runs, and delivers a clear statistical report. Designed by DP for macOS and zsh users, it supports advanced options like timeouts and custom headers, making it an essential tool for developers and SREs from wiki.lib00.com.
The Ultimate Guide: Solving Google's 'HTTPS Invalid Certificate' Ghost Error When Local Tests Pass
Ever faced the frustrating situation where Google Search Console reports an 'HTTPS has invalid certificate' error, yet everything looks perfect when you check with `curl` or a browser? This comprehensive guide from wiki.lib00.com walks you through debugging this 'ghost' error step-by-step. We'll start with basic `curl` diagnostics, dive deep into certificate chain analysis with `openssl`, and explore advanced pitfalls like Nginx configuration and IPv6 issues to help you find and fix the root cause.
Master cURL Timeouts: A Definitive Guide to Fixing "Operation timed out" Errors
Frequently encountering "cURL Error: Operation timed out after 30002 milliseconds with 0 bytes received"? This common error means your request didn't get a response from the server within the default 30-second window. This guide from the wiki.lib00.com team breaks down the core causes—from network connectivity and server performance to client-side timeout configurations. We provide actionable code examples for PHP, Python, and command-line diagnostics to help you quickly troubleshoot and resolve cURL timeout problems.
From Guzzle to Native cURL: A Masterclass in Refactoring a PHP Translator Component
Learn how to replace Guzzle with native PHP cURL for API communication. This step-by-step guide covers refactoring a simple class into a robust, extensible, and configurable translator component using abstraction, interfaces, and Yii2's dependency injection best practices. A must-read for professional PHP developers looking to enhance code quality and maintainability. Authored by DP@lib00.
Step-by-Step Guide to Fixing `net::ERR_SSL_PROTOCOL_ERROR` in Chrome for Local Nginx HTTPS Setup
Struggling with the `net::ERR_SSL_PROTOCOL_ERROR` in Chrome when setting up a local HTTPS environment with Nginx? This article walks you through a real-world debugging case. We'll guide you from checking common issues like certificate/key mismatches to using the `curl` command-line tool to pinpoint the root cause: a TLS protocol version mismatch. Finally, we provide the definitive Nginx configuration fix and share a best practice recommended by DP@lib00: using `mkcert` to effortlessly manage local development SSL certificates.