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

Set up Kubernetes custom metrics autoscaling with Prometheus adapter for application-specific scaling

Configure Prometheus adapter to expose custom application metrics to Kubernetes Horizontal Pod Autoscaler for intelligent scaling based on business metrics like queue depth, response time, and user load instead of basic CPU/memory usage.

45 min 4 distros 201 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 163 views
devops Advanced

Implement Airflow load balancing with Celery executor for high availability workflows

Set up Apache Airflow with Celery executor, Redis cluster backend, HAProxy load balancing, and auto-scaling workers for production-grade workflow orchestration with high availability.

45 min 4 distros 216 views
databases Advanced

Configure Elasticsearch 8 index lifecycle management with hot-warm-cold architecture for automated data tiering

Set up Elasticsearch 8 with hot-warm-cold node architecture and automated index lifecycle management policies to optimize storage costs and query performance. Configure ILM policies that automatically move data through different tiers based on age and usage patterns.

45 min 4 distros 170 views
monitoring Intermediate

Monitor nginx performance with Prometheus and Grafana using nginx-prometheus-exporter

Set up comprehensive nginx monitoring with Prometheus and Grafana dashboards. Configure nginx stub_status, deploy nginx-prometheus-exporter, and create production-ready alerts for web server performance metrics.

25 min 4 distros 154 views
security Advanced

Integrate WireGuard VPN server with LDAP authentication for enterprise user management

Configure WireGuard VPN server to authenticate users against LDAP directory services like Active Directory. Automate client certificate management and implement centralized user access control for enterprise environments.

45 min 4 distros 165 views
monitoring Intermediate

Configure Loki and Promtail for centralized Docker log aggregation and analysis

Set up Grafana Loki and Promtail to collect, aggregate, and analyze logs from Docker containers. Configure retention policies, integrate with Grafana for visualization, and enable real-time log monitoring across your infrastructure.

25 min 4 distros 168 views
monitoring Intermediate

Implement Grafana advanced alerting with webhooks and notification channels

Set up comprehensive Grafana alerting with webhook endpoints, Slack and Teams notifications, and advanced alert conditions. Configure data sources, create alert rules, and implement custom notification channels for production monitoring.

45 min 4 distros 175 views
monitoring Intermediate

Configure Zabbix 7 custom alerting with webhooks and integrations

Set up advanced Zabbix alerting with custom webhooks for Slack and Microsoft Teams, create notification scripts and templates, and integrate with external systems through API automation.

45 min 4 distros 302 views
databases Advanced

Configure Elasticsearch 8 cross-cluster replication for disaster recovery

Set up cross-cluster replication between Elasticsearch 8 clusters to ensure data resilience and business continuity. This advanced configuration creates automatic data synchronization across geographically distributed clusters for disaster recovery scenarios.

45 min 4 distros 192 views
devops Intermediate

Configure SonarQube quality gates and custom rules for enterprise code analysis

Set up SonarQube quality gates with custom conditions and coding rules to enforce enterprise-grade code quality standards. Configure LDAP authentication and integrate with CI/CD pipelines for automated code analysis workflows.

45 min 4 distros 181 views
devops Intermediate

Implement Consul backup and disaster recovery with automated snapshots and restoration

Set up automated Consul snapshots with GPG encryption, systemd timers, and complete disaster recovery procedures. Includes monitoring integration with Prometheus and automated restoration workflows for production environments.

45 min 4 distros 187 views

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