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.

devops Advanced

Configure Istio ingress gateway with SSL certificates and custom domains for Kubernetes service mesh

Set up Istio ingress gateway with automated SSL certificate management using cert-manager, configure custom domain routing with VirtualService, and implement TLS termination for secure service mesh traffic.

35 min 4 distros 228 views
devops Intermediate

Setup Kubernetes ingress controller with cert-manager and Helm for automated SSL certificate management

Deploy NGINX Ingress Controller and cert-manager using Helm to automatically provision and manage SSL certificates for your Kubernetes applications with Let's Encrypt integration.

25 min 4 distros 218 views
devops Intermediate

Configure Apache Airflow DAG version control with Git and CI/CD pipelines

Set up Git-based version control for Apache Airflow DAGs with automated CI/CD pipelines for testing and deployment. Implement DAG synchronization, validation workflows, and production-ready deployment strategies.

45 min 4 distros 249 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 278 views
monitoring Advanced

Set up Grafana Enterprise high availability clustering with PostgreSQL backend and load balancing

Build a production-ready Grafana Enterprise cluster with PostgreSQL shared storage, HAProxy load balancing, and SSL encryption. Includes automated failover, session persistence, and comprehensive monitoring for enterprise observability platforms.

90 min 4 distros 334 views
security Advanced

Configure Keycloak high availability clustering for production with load balancing and failover

Set up a production-ready Keycloak cluster with PostgreSQL backend, HAProxy load balancing, and automatic failover to ensure identity services remain available during node failures and high traffic.

90 min 4 distros 436 views
devops Intermediate

Configure SonarQube quality gates and custom rules for automated code quality enforcement

Set up SonarQube quality gates with custom conditions, create language-specific rules, and integrate automated quality enforcement into CI/CD pipelines for continuous code quality monitoring.

45 min 4 distros 260 views
security Advanced

Configure advanced iptables firewall rules with logging, port knocking, and DDoS protection

Build a production-grade iptables firewall with connection tracking, rate limiting, and port knocking. Includes automated DDoS protection, detailed logging, and security hardening for enterprise environments.

45 min 4 distros 280 views
security Intermediate

Configure Grafana LDAP authentication and role-based access control with Active Directory integration

Set up Grafana with LDAP authentication to connect with Active Directory, configure role-based access control for teams, and implement production-ready security policies for enterprise environments.

25 min 4 distros 312 views
devops Intermediate

Deploy applications to Kubernetes with Helm charts and production best practices

Learn how to create production-ready Helm charts for Kubernetes deployments with proper templating, values management, security configurations, and environment-specific customizations for scalable application orchestration.

45 min 4 distros 270 views
devops Advanced

Integrate GitLab with Kubernetes for automated deployments using CI/CD pipelines and runners

Set up GitLab CI/CD pipelines with Kubernetes runners for automated application deployments. Configure RBAC, implement rolling updates, and establish production-grade deployment strategies.

45 min 4 distros 222 views
monitoring Intermediate

Configure Loki with S3 storage backend for scalable centralized logging

Set up Grafana Loki with S3-compatible object storage for scalable log aggregation. Configure retention policies, schema management, and monitoring for production-ready centralized logging infrastructure.

45 min 4 distros 231 views

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