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
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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
Implement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure 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
databasesImplement NGINX Plus active health checks for enterprise environments
Configure NGINX Plus active health checks to automatically detect and remove unhealthy upstream servers, ensuring high availability and optimal load balancing for enterprise applications.
Configure Elasticsearch cross-cluster replication for disaster recovery
Set up Elasticsearch cross-cluster replication (CCR) to replicate indices between clusters for disaster recovery. Configure remote clusters, create follower indices, and monitor replication status for high availability.
Configure Lighttpd 1.4 load balancing with multiple backend servers for high availability
Set up Lighttpd with mod_proxy to distribute traffic across multiple backend servers, implement health checks for automatic failover, and configure SSL termination for a robust high availability web infrastructure.
Configure Consul multi-datacenter WAN federation for geographic redundancy
Set up Consul WAN federation to connect multiple datacenters for global service discovery and failover. This tutorial covers primary and secondary datacenter configuration with ACL token replication and cross-datacenter networking.
Configure encrypted network storage with LUKS and NFS for secure file sharing
Set up enterprise-grade encrypted network storage by combining LUKS disk encryption with NFS file sharing. This advanced configuration provides secure, centralized file access across multiple systems while maintaining data protection at rest.
Implement Linux file system encryption with LUKS and cryptsetup
Encrypt Linux file systems and partitions using LUKS (Linux Unified Key Setup) with cryptsetup tools. Configure encrypted storage, manage encryption keys, and implement backup procedures for production environments.
Set up RAID arrays with mdadm for performance and redundancy
Configure Linux software RAID arrays with mdadm to improve disk performance and protect against drive failures. Learn to create RAID 0, 1, 5, 6, and 10 configurations with automatic monitoring and management.
Configure keepalived with HAProxy backend health monitoring for high availability load balancing
Set up keepalived with HAProxy to create a high availability load balancer cluster with automatic failover, backend health monitoring, and VRRP protocol for seamless traffic distribution across multiple servers.
Setup Tailscale site-to-site VPN with multiple exit nodes for redundancy
Configure a resilient Tailscale mesh VPN with multiple exit nodes for high availability site-to-site connectivity. Set up subnet routing, automatic failover, and monitoring across distributed networks.
Configure H2O HTTP/2 server load balancing with health checks and SSL termination
Set up H2O as a high-performance load balancer with HTTP/2 support, automated health monitoring, and SSL termination for production web applications.
Set up HAProxy high availability with keepalived clustering for automatic failover
Configure HAProxy load balancer with keepalived VRRP clustering for automatic failover. Set up virtual IP failover, health checks, and monitor the cluster for production high availability.
Configure BIRD BGP routing daemon for advanced routing policies and network automation
Set up BIRD 2.15 BGP daemon with advanced routing policies, route filtering, and automated network management. Configure BGP peering, implement complex routing decisions, and set up route aggregation for production networks.
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