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.

Browse by topic

Most viewed

Configure Linux system time synchronization with chrony and NTP hardening

linux
869

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
732

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

hosting
725

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
714

Recently published

Configure OSSEC active response for automated threat blocking

security
6 minutes ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
7 minutes ago

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

security
10 minutes ago

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

networking
12 minutes ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
5 hours ago
"alerts" × Clear all
hosting Intermediate

Integrate H2O with Let's Encrypt for automatic SSL certificates

Set up H2O HTTP/2 web server with automatic SSL certificate management using Let's Encrypt and certbot. Configure SSL termination, automatic renewal, and security hardening for production deployments.

30 min 4 distros 8 views
security Advanced

Set up centralized security monitoring with ClamAV 1.4 and Elasticsearch 8

Build a comprehensive security monitoring infrastructure with ClamAV antivirus scanning, Elasticsearch log storage, and automated threat detection. This setup provides real-time malware scanning with centralized log aggregation for enterprise security compliance.

45 min 4 distros 10 views
devops Advanced

Setup Gunicorn blue-green deployment with NGINX for zero downtime Python applications

Configure zero-downtime deployments for Python web applications using Gunicorn blue-green deployment strategy with NGINX reverse proxy, automated health checks, and rollback mechanisms for production reliability.

45 min 4 distros 9 views
monitoring Intermediate

Configure Tailscale monitoring with Prometheus and Grafana dashboards

Set up comprehensive monitoring for your Tailscale mesh VPN network using Prometheus metrics collection and Grafana dashboards to track node connectivity, traffic patterns, and performance across your distributed infrastructure.

45 min 4 distros 10 views
monitoring Intermediate

Configure backup monitoring with Prometheus and Grafana for automated infrastructure oversight

Set up comprehensive backup monitoring using Prometheus metrics collection and Grafana dashboards. This tutorial covers backup exporter configuration, custom metrics creation, and automated alerting for backup failures and performance issues.

45 min 4 distros 11 views
networking Advanced

Implement network monitoring with SNMP and BGP metrics using FRRouting and Prometheus

Set up comprehensive network monitoring with SNMP daemon, FRRouting BGP metrics, and Prometheus collection for real-time infrastructure visibility and alerting.

45 min 4 distros 7 views
monitoring Intermediate

Configure Prometheus alerting rules for cgroup metrics monitoring and container resource alerts

Set up comprehensive Prometheus alerting rules for monitoring cgroup resource usage with automated threshold alerts for CPU, memory, and I/O limits. Configure Alertmanager notifications for container resource exhaustion and system health monitoring.

45 min 4 distros 23 views
networking Advanced

Set up HAProxy high availability with keepalived clustering for automatic failover

Configure HAProxy load balancer with keepalived VRRP clustering for automatic failover. Set up virtual IP failover, health checks, and monitor the cluster for production high availability.

45 min 4 distros 6 views
linux Intermediate

Configure Linux cgroups v2 for container resource management and isolation

Set up cgroups v2 for container resource limits, CPU and memory isolation, and performance monitoring with systemd integration across modern Linux distributions.

25 min 4 distros 9 views
monitoring Intermediate

Integrate Apache Tomcat 11 with Prometheus and Grafana monitoring for comprehensive performance tracking

Set up comprehensive monitoring for Apache Tomcat 11 using JMX Prometheus Java agent, configure Prometheus to scrape metrics, create detailed Grafana dashboards, and implement alerting rules for performance tracking and health monitoring.

45 min 4 distros 7 views
monitoring Intermediate

Implement Apache log analysis with GoAccess and ELK stack for real-time monitoring

Set up comprehensive Apache log monitoring with GoAccess for real-time analysis and ELK stack for centralized log processing, creating powerful Kibana dashboards for web server insights and automated alerting.

45 min 4 distros 12 views
security Intermediate

Implement OpenLiteSpeed WAF and DDoS protection with ModSecurity 3 and rate limiting

Set up comprehensive web application security for OpenLiteSpeed with ModSecurity 3 web application firewall, OWASP Core Rule Set for threat protection, and advanced rate limiting to defend against DDoS attacks and malicious traffic.

45 min 4 distros 17 views

Need help?

Don't want to manage this yourself?

We handle infrastructure for businesses that depend on uptime. From initial setup to ongoing operations.

Talk to an engineer