--- name: lemp-lamp-mastery category: coding description: "Production-grade LEMP/LAMP stack: Nginx/Apache, PHP-FPM, MariaDB/MySQL, SSL/TLS, deployment, monitoring, and security hardening." version: 1.0.0 tags: [lemp, lamp, nginx, apache, php-fpm, mys

--- name: networking-ssl-mastery description: 'Networking and SSL/TLS mastery — DNS, reverse proxies, TLS termination, CDN tuning, firewall rules, and certificate management' version: 1.0.0 category: devops tags: [networking, dns, ssl, tls, nginx, cl

### Component Architecture ``` ┌─────────────────────────────────────────────────────────────┐ │ User Interfaces │ │ WebUI (HermesChat) │ WhatsApp (bridge.js) │ CLI │ └──────────┬────────────┴────

### OpenClaw Component Architecture ``` ┌──────────────────────────────────────────────────────────────┐ │ OpenClaw Platform │ │ │ │ ┌──────────

Mobile development mastery: Flutter, React Native, cross-platform patterns, security, testing, and deployment.

Cross-language secure coding: OWASP Top 10, input validation, auth patterns, cryptography, supply chain security with concrete examples in Python, PHP, JS, Go, Java.

Production database mastery — MySQL/MariaDB, PostgreSQL, Redis, backup strategies, replication, and query optimization

Install and configure Hermes WebUI (nesquena/hermes-webui) with nginx reverse proxy, SSL, and password auth.

Comprehensive Kubernetes mastery guide covering architecture, core objects, networking, security, Helm, Kustomize, debugging, monitoring, GitOps, and production best practices.

Production monitoring, observability, and SRE practices — Prometheus, Grafana, Alertmanager, Loki, Jaeger, OpenTelemetry, and incident management

Production server hardening — SSH, fail2ban, UFW/iptables, auditd, kernel tuning, intrusion detection, and compliance

Design scalable distributed systems using structured approaches — load balancing, caching, message queues, databases, and microservices