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 Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingConfigure HAProxy with Consul for dynamic service discovery
networkingConfigure PostgreSQL 17 connection pooling with PgBouncer for high availability
databasesConfigure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsConfigure OSSEC HIDS for intrusion detection with email alerts and real-time monitoring
Set up OSSEC Host-based Intrusion Detection System with server-agent architecture, custom detection rules, email notifications, and real-time monitoring for comprehensive security monitoring across multiple systems.
Configure ModSecurity 3 web application firewall with OWASP Core Rule Set for advanced threat protection
Set up ModSecurity 3 with OWASP Core Rule Set 4.0 to protect web applications from SQL injection, XSS, and other attacks. Configure integration with Nginx and Apache, implement custom rules, and optimize performance for production environments.
Install and configure H2O HTTP/2 web server with FastCGI and SSL certificates
Deploy H2O, a high-performance HTTP/2 web server with native FastCGI support and SSL/TLS termination. Configure virtual hosts, PHP-FPM integration, and performance optimization for production environments.
Install and configure OpenLiteSpeed web server with SSL and PHP for high-performance hosting
Set up OpenLiteSpeed web server with SSL certificates, PHP LSAPI, and built-in caching for superior performance compared to Apache and Nginx. Includes security hardening and monitoring configuration.
Implement Kubernetes cluster autoscaling with Helm charts and KEDA for dynamic workload scaling
Configure comprehensive Kubernetes autoscaling with cluster autoscaler for node management, KEDA for event-driven pod scaling, and vertical pod autoscaler for resource optimization. This tutorial covers production-grade deployment using Helm charts with monitoring and optimization strategies.
Set up Apache Airflow DAG performance testing with Locust load testing framework
Learn to configure Locust for comprehensive Apache Airflow DAG performance testing, including automated load testing scenarios, metrics collection, and CI/CD integration for production-grade workflow optimization.
Integrate SonarQube with Kubernetes and Helm charts for automated code quality scanning
Deploy SonarQube on Kubernetes using Helm charts with PostgreSQL database, configure automated code scanning workflows, and implement persistent storage for comprehensive code quality analysis in your CI/CD pipeline.
Implement Kubernetes monitoring with Prometheus and Helm charts for comprehensive cluster observability
Deploy a production-ready Prometheus monitoring stack on Kubernetes using Helm charts with ServiceMonitors, alerting rules, and comprehensive cluster observability for metrics collection and monitoring.
Integrate SonarQube with Kubernetes security scanning workflows for continuous code quality analysis
Set up SonarQube scanner in Kubernetes pods with admission controllers for automated security scanning. Configure CI/CD pipeline integration and security reporting for continuous code quality analysis in containerized environments.
Set up SonarQube branch analysis with pull request decoration for enhanced code quality workflows
Configure SonarQube Developer Edition with branch analysis capabilities and pull request decoration for GitHub and GitLab. Implement automated code quality checks in CI/CD pipelines with comprehensive branch coverage and merge request feedback.
Configure Kafka Connect for database integration with JDBC connectors and CDC
Set up Kafka Connect with JDBC connectors for real-time database integration and configure Debezium for change data capture. Monitor connector performance and troubleshoot common integration issues.
Configure GitLab container registry with SSL certificates and security hardening
Set up GitLab's integrated Docker registry with SSL/TLS encryption, security headers, and production-ready hardening for secure container image storage and distribution.
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