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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Most viewed

Configure Linux system time synchronization with chrony and NTP hardening

linux
874

Set up Node.js application security with Helmet and rate limiting

security
753

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

hosting
734

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

hosting
728

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
717

Recently published

Configure OSSEC active response for automated threat blocking

security
1 hour ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
1 hour ago

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

security
1 hour ago

Configure keepalived with HAProxy backend health monitoring for high availability load balancing

networking
2 hours ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
6 hours ago
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devops Intermediate

Configure Istio traffic management with virtual services and destination rules

Configure advanced Istio traffic management using virtual services for intelligent request routing and destination rules for load balancing and service subsets in production Kubernetes environments.

25 min 4 distros 341 views
security Intermediate

Configure Linux audit logging for security compliance and monitoring

Set up comprehensive audit logging with auditd daemon to track file system changes, process execution, and network connections for security compliance and forensic analysis.

35 min 4 distros 422 views
monitoring Intermediate

Setup OpenResty monitoring with Prometheus and Grafana dashboards for performance analytics

Configure comprehensive monitoring for OpenResty web server using nginx-lua-prometheus module to collect metrics, Prometheus for storage, and Grafana for visualization with custom dashboards and alerting rules.

45 min 4 distros 510 views
security Advanced

Implement OpenResty JWT authentication with OAuth2 integration for secure web applications

Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.

45 min 4 distros 484 views
monitoring Intermediate

Setup centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8 (ELK Stack)

Deploy a production-ready ELK stack for centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8. Configure secure log shipping from multiple sources with authentication and SSL encryption.

45 min 4 distros 446 views
devops Advanced

Set up Nexus Repository Manager high availability clustering for production scale

Deploy a production-ready Nexus Repository Manager cluster with shared storage, load balancing, and automated failover for enterprise artifact management and zero-downtime operations.

90 min 4 distros 343 views
databases Intermediate

Set up automated MySQL database backups with compression and rotation

Create production-grade MySQL backup automation with gzip compression, logrotate management, and systemd timer scheduling. Includes integrity checking and email notifications for reliable database protection.

25 min 4 distros 427 views
performance Beginner

Optimize PHP-FPM performance with memory tuning and connection pooling for high-traffic websites

Configure PHP-FPM with optimized memory pools, process management, and connection limits to handle high-traffic websites efficiently. Learn production-grade tuning strategies for maximum performance.

25 min 6 distros 503 views
networking Beginner

Configure network interface monitoring with ICMP ping and connectivity testing

Set up automated network connectivity monitoring using ICMP ping tests with email alerts for interface failures. Create comprehensive network health checks and reporting for production systems.

45 min 6 distros 703 views
performance Beginner

Benchmark and optimize Linux disk I/O performance with fio testing

Learn how to benchmark disk I/O performance using fio (Flexible I/O tester) to identify storage bottlenecks and optimize your Linux system's disk performance through comprehensive read/write testing and analysis.

25 min 6 distros 577 views
hosting Beginner

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

Deploy production-ready Deno web applications with automatic process management using systemd and secure SSL termination through Nginx reverse proxy configuration.

25 min 6 distros 636 views
linux Beginner

Configure Linux cron jobs and system task scheduling with best practices

Learn to configure cron jobs and systemd timers for automated task scheduling on Linux systems with proper logging, security, and troubleshooting techniques.

25 min 6 distros 593 views

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