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.

security Intermediate

Configure Apache security headers and Content Security Policy for enhanced web application protection

Configure essential security headers including HSTS, CSRF protection, and Content Security Policy (CSP) in Apache to protect your web applications from common attacks like XSS, clickjacking, and data injection vulnerabilities.

25 min 4 distros 743 views
hosting Intermediate

Setup NGINX SSL certificates with PM2 clustering for Node.js applications

Configure NGINX as a reverse proxy with SSL certificates and load balancing for PM2 clustered Node.js applications. Set up automatic SSL certificate management with Let's Encrypt, implement health checks, and optimize performance for production environments.

45 min 4 distros 667 views
databases Advanced

Optimize MongoDB 8.0 performance with advanced indexing strategies and aggregation pipelines

Master MongoDB 8.0 performance optimization through strategic index design, aggregation pipeline efficiency, and production-ready monitoring. Covers compound indexes, query analysis, memory management, and security hardening for high-throughput database workloads.

45 min 4 distros 572 views
databases Advanced

Configure MongoDB sharding with zone-based data distribution for geographic workloads

Set up MongoDB sharding with geographic zones to distribute data based on location, ensuring optimal performance for global applications and regulatory compliance.

45 min 4 distros 490 views
monitoring Advanced

Monitor Kubernetes network policies with Prometheus and Grafana for enhanced cluster security

Set up comprehensive monitoring for Kubernetes network policies using Prometheus and Grafana. Configure CNI metrics collection, create security dashboards, and implement alerting for policy violations and traffic anomalies.

45 min 4 distros 579 views
monitoring Advanced

Configure advanced SNMP alerting with Prometheus Alertmanager for network monitoring

Set up comprehensive SNMP monitoring with Prometheus exporters and create intelligent alerting rules in Alertmanager to proactively monitor network devices, interfaces, and performance metrics.

45 min 4 distros 589 views
monitoring Intermediate

Implement Tomcat application monitoring with JMX and Grafana dashboards

Set up comprehensive Apache Tomcat 10 monitoring using JMX metrics, Prometheus JMX Exporter, and Grafana dashboards to track application performance, memory usage, and request metrics in real-time.

45 min 4 distros 767 views
monitoring Intermediate

Implement Node.js application monitoring with Prometheus metrics collection and Grafana dashboards

Set up comprehensive Node.js application monitoring with Prometheus metrics collection, custom performance tracking, and Grafana dashboards for real-time observability and alerting.

45 min 4 distros 587 views
security Advanced

Configure advanced nftables logging and monitoring for network security

Set up comprehensive nftables logging with structured syslog integration, Prometheus metrics collection, and ELK stack analysis. Configure Grafana dashboards for real-time firewall monitoring and automated alerting for security events.

45 min 4 distros 745 views
hosting Advanced

Implement NGINX Plus active health checks for enterprise environments

Configure NGINX Plus active health checks to automatically detect and remove unhealthy upstream servers, ensuring high availability and optimal load balancing for enterprise applications.

45 min 4 distros 838 views
databases Advanced

Configure Elasticsearch cross-cluster replication for disaster recovery

Set up Elasticsearch cross-cluster replication (CCR) to replicate indices between clusters for disaster recovery. Configure remote clusters, create follower indices, and monitor replication status for high availability.

45 min 4 distros 812 views
monitoring Intermediate

Monitor Varnish 7 performance with Prometheus and Grafana dashboards

Set up comprehensive Varnish monitoring using prometheus-varnish-exporter, custom Grafana dashboards, and performance alerting rules for production cache optimization.

25 min 4 distros 619 views

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