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 Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesConfigure InfluxDB 2.7 clustering for high availability with data replication and automated failover
databasesOptimize Varnish 7 cache storage with memory tuning and persistence configuration
performanceSet up NGINX rate limiting and security headers for DDoS protection
securityConfigure OSPF with FRRouting 10 for dynamic routing protocols and network failover
Set up OSPF dynamic routing with FRRouting 10 for automatic network failover and route redistribution. Configure area authentication, routing policies, and monitoring for enterprise network resilience.
Configure ClamAV cluster scanning for high availability and enterprise threat detection
Build a production-grade ClamAV cluster with HAProxy load balancing, shared virus definitions, and comprehensive monitoring for enterprise-scale threat detection and high availability.
Set up MySQL backup encryption and remote storage with rsync
Create automated MySQL backups with GPG encryption and secure remote storage using rsync and SSH keys. This tutorial covers database dumping, compression, encryption, and automated synchronization to remote servers.
Set up MongoDB 8.0 sharding cluster for horizontal scaling with replica sets and automated balancing
Configure a production-grade MongoDB 8.0 sharded cluster with replica sets, config servers, and mongos routers for horizontal scaling. This tutorial covers automated chunk balancing, high availability, and enterprise-ready deployment patterns.
Implement FastAPI authentication with JWT and OAuth2 for secure API development
Build secure FastAPI applications with JWT token authentication and OAuth2 password bearer flows. Learn to implement role-based access control and protect API endpoints with production-ready security patterns.
Implement Kubernetes network policies with Calico CNI and OPA Gatekeeper for security enforcement
Secure your Kubernetes cluster with Calico CNI network policies and OPA Gatekeeper admission control. This tutorial shows you how to implement pod isolation, policy enforcement, and admission validation for production-grade security.
Configure application connection pooling for CockroachDB with PgBouncer and HAProxy
Set up efficient connection pooling for CockroachDB applications using PgBouncer as a connection pool manager and HAProxy for load balancing across multiple database nodes. This configuration reduces database connection overhead and improves application performance.
Setup Tomcat 10 clustering with HAProxy load balancing for high availability
Configure Apache Tomcat 10 clustering with HAProxy load balancing to distribute traffic across multiple application server instances. Implement session replication and automatic failover for production-grade Java web applications with high availability and zero-downtime deployments.
Configure Nginx Redis caching with SSL authentication and security hardening
Set up high-performance Nginx caching with Redis backend using SSL/TLS encryption and authentication. This tutorial covers Redis 7 SSL configuration, Nginx cache module setup, and comprehensive security hardening for production environments.
Configure nftables NAT and port forwarding for home lab environments
Learn how to configure nftables for NAT and port forwarding in home lab environments. This tutorial covers basic NAT masquerading, port forwarding rules, and advanced networking scenarios for virtual machines and containers.
Integrate SNMP monitoring with InfluxDB and Telegraf for time-series analysis
Learn to set up a comprehensive SNMP monitoring solution using InfluxDB 2.7 for time-series storage and Telegraf for data collection. Configure monitoring for network devices, system metrics, and create visualization dashboards with Grafana.
Monitor container performance with Prometheus and cAdvisor for comprehensive metrics collection
Set up comprehensive container monitoring with cAdvisor, Prometheus, and Grafana to collect detailed metrics on CPU, memory, network, and disk usage. This tutorial covers installation, configuration, and alerting for production-ready container performance monitoring.
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