Infrastructure tutorials
Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.
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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringImplement Apache log analysis with GoAccess and ELK stack for real-time monitoring
Set up comprehensive Apache log monitoring with GoAccess for real-time analysis and ELK stack for centralized log processing, creating powerful Kibana dashboards for web server insights and automated alerting.
Configure Linux process scheduling and CPU affinity for performance optimization
Learn to optimize Linux process performance by configuring CPU scheduling priorities, CPU affinity, and systemd resource management for better workload distribution and reduced context switching.
Implement OpenLiteSpeed WAF and DDoS protection with ModSecurity 3 and rate limiting
Set up comprehensive web application security for OpenLiteSpeed with ModSecurity 3 web application firewall, OWASP Core Rule Set for threat protection, and advanced rate limiting to defend against DDoS attacks and malicious traffic.
Set up OpenLiteSpeed with Docker containers for development
Deploy OpenLiteSpeed web server in Docker containers with PHP-FPM, SSL certificates, and persistent volumes for scalable development environments.
Configure MySQL connection pooling with ProxySQL 2.6 for high availability and performance optimization
Set up ProxySQL 2.6 to manage MySQL connection pooling, load balancing, and automatic failover. This tutorial covers backend server configuration, health checks, query routing rules, and monitoring for production MySQL environments.
Implement Lighttpd 1.4 load balancing with multiple backend servers for high availability
Configure Lighttpd 1.4 with mod_proxy for load balancing across multiple backend web servers. Set up health checks, SSL termination, and failover mechanisms for production environments.
Configure Caddy 2 with Docker containers and automatic SSL certificates
Set up Caddy 2 as a reverse proxy using Docker with automatic Let's Encrypt SSL certificates. Deploy containerized web applications behind Caddy with zero-downtime SSL management and built-in load balancing.
Implement Caddy 2 rate limiting and DDoS protection with advanced security rules
Configure Caddy 2 web server with comprehensive rate limiting, request throttling, and DDoS protection using built-in security modules and advanced filtering rules.
Implement log-based monitoring and alerting with Grafana and Loki
Set up comprehensive log aggregation with Loki, centralized visualization with Grafana dashboards, and automated alerting rules for proactive incident response across your infrastructure.
Configure Apache reverse proxy and load balancing for high availability
Set up Apache as a reverse proxy with load balancing across multiple backend servers. Configure health checks, SSL termination, and failover for production high availability deployments.
Configure ELK stack for centralized logging with Elasticsearch 8, Logstash 8, and Kibana 8
Set up a production-grade ELK stack with Elasticsearch 8, Logstash 8, and Kibana 8 for centralized log management. Configure authentication, SSL encryption, and log processing pipelines across multiple data sources.
Setup automated backup verification and recovery testing with PostgreSQL, MySQL and filesystem backups
Build a comprehensive backup verification framework that automatically tests database restores, validates filesystem backups, and performs recovery testing using systemd timers and custom scripts.
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