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
securitySet up MySQL point-in-time recovery with binary logs for database backup and restore
Configure MySQL binary logging and implement automated point-in-time recovery procedures for comprehensive database backup and restore operations with monitoring.
Configure FastAPI rate limiting and security middleware with Redis and authentication
Set up production-ready FastAPI applications with Redis-backed rate limiting, security middleware, and JWT authentication to protect against abuse and secure your API endpoints.
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.
Configure Prometheus Alertmanager with custom webhook integrations for Slack, Microsoft Teams, and PagerDuty notifications
Set up Prometheus Alertmanager with webhook receivers for Slack, Microsoft Teams, and PagerDuty notifications. Configure routing rules, test notifications, and implement alert escalation workflows for comprehensive monitoring coverage.
Configure MongoDB sharding with zone-based data distribution for geographic workloads
Set up MongoDB sharding with geographic zones to distribute data based on location, ensuring optimal performance for global applications and regulatory compliance.
Monitor Kubernetes network policies with Prometheus and Grafana for enhanced cluster security
Set up comprehensive monitoring for Kubernetes network policies using Prometheus and Grafana. Configure CNI metrics collection, create security dashboards, and implement alerting for policy violations and traffic anomalies.
Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring
Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.
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 advanced SNMP alerting with Prometheus Alertmanager for network monitoring
Set up comprehensive SNMP monitoring with Prometheus exporters and create intelligent alerting rules in Alertmanager to proactively monitor network devices, interfaces, and performance metrics.
Implement Tomcat application monitoring with JMX and Grafana dashboards
Set up comprehensive Apache Tomcat 10 monitoring using JMX metrics, Prometheus JMX Exporter, and Grafana dashboards to track application performance, memory usage, and request metrics in real-time.
Implement Nginx SSL certificate automation with Let's Encrypt using Certbot
Set up automated SSL certificate management for Nginx using Let's Encrypt and Certbot. Configure automatic certificate renewal, implement SSL security hardening, and monitor certificate health for production websites.
Configure GitLab backup automation with GPG encryption
Set up automated GitLab backups with GPG encryption, remote storage, and systemd timers. This tutorial covers backup script creation, encryption setup, and monitoring for production GitLab instances.
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