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

Implement network security policies with iptables and firewalld for enterprise infrastructure protection

Configure enterprise-grade network security with iptables and firewalld, implementing zone-based policies, advanced rules, and comprehensive logging for production infrastructure protection.

45 min 4 distros 56 views
security Advanced

Implement Tailscale OAuth integration with identity providers for enterprise authentication

Configure Tailscale with enterprise identity providers including SAML and OIDC authentication, implement access control policies, and manage users across distributed teams for secure zero-trust networking.

45 min 4 distros 166 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 54 views
performance Intermediate

Configure Linux process scheduling and CPU affinity for performance optimization

Learn to optimize Linux process performance by configuring CPU scheduling priorities, CPU affinity, and systemd resource management for better workload distribution and reduced context switching.

45 min 4 distros 156 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 120 views
devops Intermediate

Set up OpenLiteSpeed with Docker containers for development

Deploy OpenLiteSpeed web server in Docker containers with PHP-FPM, SSL certificates, and persistent volumes for scalable development environments.

45 min 4 distros 66 views
devops Intermediate

Configure Kubernetes resource quotas and limit ranges for namespace-level resource management

Set up Kubernetes resource quotas and limit ranges to control CPU, memory, and storage consumption at the namespace level. This tutorial covers implementing resource constraints, monitoring usage, and troubleshooting quota issues for multi-tenant cluster management.

25 min 4 distros 151 views
monitoring Intermediate

Set up Apache Airflow performance monitoring with DataDog agent integration and custom dashboards

Configure comprehensive Apache Airflow monitoring using DataDog agent to track DAG performance, task execution metrics, and resource utilization with custom dashboards and automated alerting for production workflow management.

45 min 4 distros 120 views
devops Intermediate

Configure Kafka Streams for real-time data processing and analytics

Set up Kafka Streams applications with Java development environment to build real-time data processing pipelines for analytics and monitoring workloads.

45 min 4 distros 78 views
devops Advanced

Configure Apache Airflow high availability with CeleryExecutor and Redis clustering for production deployments

Set up Apache Airflow with CeleryExecutor and Redis clustering for high availability production deployments. Configure multiple workers, load balancing, monitoring, and automated failover to handle enterprise-scale workflow orchestration with zero downtime.

45 min 4 distros 188 views
security Advanced

Configure Apache Airflow DAG security and secrets management with RBAC policies and encryption

Implement comprehensive security for Apache Airflow DAGs using role-based access control, HashiCorp Vault integration, and encrypted secrets management. Configure granular permissions, audit logging, and isolation policies for production workflows.

45 min 4 distros 140 views
security Intermediate

Configure SSL certificates and security hardening for Nexus Repository Manager

Secure your Nexus Repository Manager with SSL/TLS certificates, enforce HTTPS connections, and implement comprehensive security hardening including authentication controls, access policies, and audit logging for production environments.

45 min 4 distros 181 views

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