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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46 guides

Linux

System administration, shell scripting, package management

56 guides

Hosting & Servers

Web servers, reverse proxies, SSL, domains

121 guides

Security

Firewalls, hardening, encryption, access control

40 guides

Performance

Caching, optimization, profiling, load testing

82 guides

Databases

MySQL, PostgreSQL, Redis, backups, replication

55 guides

Networking

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

139 guides

DevOps

CI/CD, Docker, Kubernetes, automation

136 guides

Monitoring

Logging, alerting, metrics, observability

Most viewed

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

hosting

2,054

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

hosting

1,622

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting

1,458

Install and configure Ollama for local AI models on Linux servers

devops

1,263

Configure Linux system time synchronization with chrony and NTP hardening

linux

1,170

Recently published

Configure Kubernetes network policies for enhanced cluster security

security

1 hour ago

Set up Kubernetes persistent volume snapshots and backup automation

devops

6 hours ago

Implement Kafka Streams exactly-once processing semantics with Java applications

devops

11 hours ago

Implement ClickHouse backup automation with compression and S3 integration

databases

20 hours ago

Install and configure Filebeat 8.15 for efficient log shipping to ELK stack

monitoring

1 day ago

"OWASP CRS" × Clear all

security Intermediate

Setup Nginx with ModSecurity 3 web application firewall for advanced threat protection

Configure Nginx with ModSecurity 3 and OWASP Core Rule Set to protect web applications against SQL injection, XSS, and other common attacks. This tutorial covers complete WAF setup with security rules, performance optimization, and threat testing.

45 min 4 distros 229 views

security Advanced

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

Configure HAProxy with ModSecurity 3 using SPOE protocol to create a high-performance web application firewall that protects against OWASP Top 10 threats while maintaining load balancing capabilities.

45 min 4 distros 268 views

security Intermediate

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

Configure a production-grade web application firewall using NGINX with ModSecurity 3 and OWASP Core Rule Set. Includes logging, monitoring, and fail2ban integration for comprehensive threat protection.

45 min 4 distros 326 views

security Intermediate

Implement Apache web application firewall with ModSecurity 3 and OWASP Core Rule Set

Deploy ModSecurity 3 as an Apache module with OWASP Core Rule Set to protect web applications from common attacks. Configure real-time logging, custom rules, and automated threat detection for production environments.

45 min 4 distros 554 views

security Intermediate

Configure ModSecurity 3 web application firewall with OWASP Core Rule Set for advanced threat protection

Set up ModSecurity 3 with OWASP Core Rule Set 4.0 to protect web applications from SQL injection, XSS, and other attacks. Configure integration with Nginx and Apache, implement custom rules, and optimize performance for production environments.

45 min 6 distros 1,100 views

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