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

hosting
9,918

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

monitoring
5,639

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

hosting
4,650

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

databases
4,076

Install and configure Ollama for local AI models on Linux servers

devops
4,055

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking
1 week ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
2 weeks ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
2 weeks ago
"web server" × Clear all
hosting Intermediate

Configure Lighttpd 1.4 with multiple virtual hosts and subdomains

Set up Lighttpd web server with multiple virtual hosts, subdomain routing, SSL certificates, and performance optimization for hosting multiple websites on a single server with security hardening.

45 min 4 distros 750 views
security Intermediate

Set up OSSEC agent deployment and centralized management with automated configuration

Deploy and manage OSSEC Host-based Intrusion Detection System (HIDS) across multiple servers with centralized monitoring, automated agent configuration, and real-time security event processing for enterprise-scale infrastructure protection.

45 min 4 distros 793 views
networking Intermediate

Install and configure Squid 6 proxy server with bandwidth controls and content filtering

Set up Squid 6 proxy server with advanced traffic shaping, content filtering, and user authentication. Configure bandwidth limits, access control lists, and comprehensive logging for enterprise proxy deployments.

45 min 4 distros 599 views
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 813 views
monitoring Intermediate

Set up network monitoring with Nagios Core 4.5 and SNMP for infrastructure alerting

Configure Nagios Core 4.5 with SNMP monitoring to track network devices, servers, and services with automated alerting. Set up custom monitoring templates, notification systems, and dashboards for comprehensive infrastructure visibility.

45 min 4 distros 1,067 views
monitoring Intermediate

Monitor Cherokee web server performance with custom Grafana dashboards and Prometheus alerts

Set up comprehensive monitoring for Cherokee web server with Prometheus metrics collection, custom Grafana dashboards for performance visualization, and automated alerting for critical performance thresholds.

45 min 4 distros 753 views
security Advanced

Configure SELinux policies for web applications and databases with custom rules and security hardening

Learn how to implement mandatory access controls with SELinux for web servers and databases. Configure custom security contexts, create application-specific policies, and harden your infrastructure with advanced SELinux rules.

45 min 4 distros 814 views
monitoring Intermediate

Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications

Set up comprehensive Netdata alerting with Slack and Microsoft Teams integration. Configure custom alert thresholds, webhook notifications, and automated monitoring responses for real-time system health alerts.

25 min 4 distros 1,175 views
monitoring Intermediate

Implement PHP application monitoring with New Relic and logging

Set up comprehensive PHP application monitoring using New Relic APM with custom metrics and error tracking. Configure structured logging with centralized collection and automated monitoring alerts.

45 min 4 distros 909 views
networking Intermediate

Configure WireGuard VPN with DNS filtering and ad blocking using Pi-hole and Unbound

Set up a secure WireGuard VPN server with integrated Pi-hole DNS filtering and Unbound recursive resolver for ad blocking and privacy protection. This configuration provides secure remote access while filtering malicious domains and advertisements.

45 min 4 distros 1,468 views
performance Advanced

Configure Varnish cache invalidation with automated purging strategies for high-performance web acceleration

Learn to configure advanced Varnish VCL for cache invalidation, implement PURGE and BAN strategies, and set up automated cache tagging for optimal performance. Master selective invalidation techniques and monitoring for production-grade web acceleration.

45 min 4 distros 1,116 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 1,340 views

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