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 Advanced

Configure OpenVPN LDAP authentication for enterprise users with Active Directory integration

Set up OpenVPN server with LDAP authentication against Active Directory, enabling centralized user management and group-based access control for enterprise VPN deployments.

45 min 4 distros 868 views
monitoring Advanced

Configure advanced Grafana dashboards and alerting with Prometheus integration

Learn to build production-grade Grafana dashboards with advanced templating, custom Prometheus queries, sophisticated alerting rules, and automated provisioning for scalable monitoring infrastructure.

45 min 4 distros 1,038 views
devops Advanced

Configure SonarQube high availability clustering with PostgreSQL and load balancing

Set up enterprise-grade SonarQube clustering with PostgreSQL database replication, multiple application nodes, and HAProxy load balancing for zero-downtime code quality analysis across distributed teams.

90 min 4 distros 836 views
databases Advanced

Set up Redis 7 cluster with multiple master nodes for high availability and horizontal scaling

Configure a production-ready Redis 7 cluster with multiple master nodes and replicas for high availability, automatic failover, and horizontal data distribution. Includes cluster initialization, topology configuration, and comprehensive health monitoring.

45 min 4 distros 840 views
devops Intermediate

Configure Kubernetes pod disruption budgets for high availability with policy enforcement

Learn to configure PodDisruptionBudget resources in Kubernetes to maintain application availability during voluntary disruptions. This tutorial covers creating disruption budgets, implementing policies for different workload types, and monitoring disruption events with kubectl.

45 min 4 distros 1,458 views
monitoring Intermediate

Set up multi-location monitoring with distributed Uptime Kuma instances

Deploy multiple Uptime Kuma instances across different geographic locations to monitor your services from various vantage points. This setup provides comprehensive monitoring coverage, reduces false positives, and enables regional performance analysis with centralized alerting.

45 min 4 distros 919 views
security Intermediate

Configure SonarQube LDAP authentication with Active Directory and user group management

Set up SonarQube to authenticate users against Active Directory using LDAP. Configure automatic user provisioning, group synchronization, and role-based access control for enterprise environments with centralized authentication.

25 min 4 distros 893 views
performance Advanced

Implement Varnish cache warming with Kubernetes CronJobs

Set up automated Varnish cache warming using Kubernetes CronJobs to preload frequently accessed content and improve website performance. This tutorial covers creating cache warming scripts, Docker containers, and automated scheduling for production environments.

45 min 4 distros 716 views
monitoring Advanced

Implement Thanos multi-cluster federation for global Prometheus metrics aggregation

Set up Thanos components across multiple Kubernetes clusters to enable global metrics federation, long-term storage, and unified querying of Prometheus data with high availability and unlimited retention.

45 min 4 distros 821 views
monitoring Intermediate

Set up OpenTelemetry metrics collection with Prometheus integration for distributed system monitoring

Configure OpenTelemetry Collector to gather metrics from distributed services and export them to Prometheus for comprehensive observability monitoring. This integration provides unified metrics collection across your microservices architecture.

25 min 4 distros 966 views
devops Intermediate

Integrate Redis 7 with microservices architecture for caching and session management

Set up Redis 7 as a centralized caching layer and session store for microservices, with service discovery integration and clustering for high availability. Configure distributed session management patterns and implement Redis clustering for horizontal scalability.

45 min 4 distros 876 views
security Intermediate

Configure SonarQube LDAP authentication and user management with Active Directory integration

Set up enterprise user authentication for SonarQube using LDAP and Active Directory. Configure group mapping, role-based access control, and automated user provisioning for centralized identity management.

45 min 4 distros 923 views

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