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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47 guides

Linux

System administration, shell scripting, package management

66 guides

Hosting & Servers

Web servers, reverse proxies, SSL, domains

147 guides

Security

Firewalls, hardening, encryption, access control

45 guides

Performance

Caching, optimization, profiling, load testing

97 guides

Databases

MySQL, PostgreSQL, Redis, backups, replication

61 guides

Networking

DNS, load balancing, VPN, TCP/IP, routing

159 guides

DevOps

CI/CD, Docker, Kubernetes, automation

169 guides

Monitoring

Logging, alerting, metrics, observability

Most viewed

Install and configure Deno for web development with systemd and reverse proxy

hosting

10,003

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring

5,762

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting

4,775

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases

4,210

Install and configure Ollama for local AI models on Linux servers

devops

4,134

Recently published

Implement Istio multi-cluster canary deployments and traffic splitting

devops

há 17 horas

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security

há 2 dias

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases

há 1 semana

Set up HAProxy SSL termination with Let's Encrypt certificates

networking

há 2 semanas

Configure HAProxy with Consul for dynamic service discovery

networking

há 2 semanas

"IPv6 NAT" × Clear all

networking Advanced

Set up nftables IPv6 NAT and dual-stack networking with firewall rules and traffic forwarding

Configure nftables with IPv6 NAT masquerading, dual-stack IPv4/IPv6 forwarding, and comprehensive firewall rules for secure network routing and traffic management on modern Linux systems.

45 min 4 distros 1,953 views

networking Intermediate

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.

25 min 4 distros 2,716 views

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