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

62 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

10,056

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

monitoring

5,799

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

hosting

4,827

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

databases

4,272

Install and configure Ollama for local AI models on Linux servers

devops

4,187

Recently published

Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

networking

1 dag geleden

Implement Istio multi-cluster canary deployments and traffic splitting

devops

3 dagen geleden

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security

5 dagen geleden

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases

2 weken geleden

Set up HAProxy SSL termination with Let's Encrypt certificates

networking

2 weken geleden

"validation" × Clear all

devops Intermediate

Install and configure Ansible with automation best practices and security

Learn to install Ansible on Linux, configure secure SSH authentication, create production-ready playbooks with Vault encryption, and implement roles for scalable infrastructure automation.

45 min 6 distros 1,309 views

security Intermediate

Install and configure Fail2ban with advanced rules and email alerts

Set up Fail2ban intrusion prevention system with custom SSH, web server, and application protection rules. Configure email notifications and advanced filtering to automatically block malicious IP addresses based on log patterns.

45 min 6 distros 1,549 views

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