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
Setup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
securityConfigure MariaDB 11.6 performance monitoring with Prometheus and Grafana dashboards
Set up comprehensive MariaDB monitoring with mysqld_exporter, Prometheus metrics collection, and custom Grafana dashboards for database performance insights and alerting.
Configure MariaDB Galera cluster for multi-master replication with automatic failover
Set up a highly available MariaDB Galera cluster with multi-master replication and automatic failover for production database workloads. This tutorial covers cluster initialization, node configuration, and monitoring setup across multiple servers.
Configure CockroachDB SSL encryption and security hardening
Set up SSL/TLS encryption, authentication, and advanced security policies for CockroachDB 24.3 in production environments with certificate management and cluster monitoring.
Setup FastAPI email verification and password reset functionality with Redis and PostgreSQL
Build secure user authentication with email verification and password reset features in FastAPI using Redis for session management and PostgreSQL for user storage.
Setup Tomcat SSL certificates with Let's Encrypt automation
Configure Apache Tomcat 11 with automated SSL certificate management using Let's Encrypt and Certbot. Set up HTTPS connector, Java keystore integration, and automatic certificate renewal for production environments.
Configure Django Redis caching and session storage for high-performance web applications
Set up Redis as both cache backend and session storage for Django applications. Improve page load times and user experience with proper Redis configuration and Django integration.
Benchmark database performance with sysbench and fio integration
Learn to benchmark MySQL and PostgreSQL database performance using sysbench 1.0.20 combined with fio 3.37 disk I/O testing. This comprehensive guide covers installation, configuration, execution of performance tests, and analysis of results for database optimization in production environments.
Configure PHP-FPM with NGINX reverse proxy and SSL certificates
Set up PHP-FPM with NGINX as a reverse proxy and secure it with Let's Encrypt SSL certificates. This configuration provides high performance for PHP applications with proper process isolation and automatic HTTPS.
Configure Netdata MySQL monitoring and database performance alerts
Set up comprehensive MySQL monitoring with Netdata for real-time database performance metrics, query analysis, and automated alerts. Monitor connection pools, slow queries, and resource usage with production-grade alerting.
Set up development database environments with environment variables
Learn to configure PostgreSQL, MySQL, and MariaDB development databases using environment variables for secure connection management and simplified configuration across different environments.
Configure MariaDB Galera cluster 10.11 for multi-master replication with automatic failover
Set up a highly available MariaDB Galera cluster with multi-master replication, automatic failover, and synchronous data replication across multiple database nodes for enterprise applications.
Implement Node.js application deployment with Git hooks and PM2 clustering
Set up automated Node.js application deployment using Git hooks for continuous integration, combined with PM2 clustering for high availability and load distribution across multiple CPU cores.
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