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.

networking Advanced

Set up HAProxy high availability with keepalived clustering for automatic failover

Configure HAProxy load balancer with keepalived VRRP clustering for automatic failover. Set up virtual IP failover, health checks, and monitor the cluster for production high availability.

45 min 4 distros 258 views
networking Advanced

Configure BIRD BGP routing daemon for advanced routing policies and network automation

Set up BIRD 2.15 BGP daemon with advanced routing policies, route filtering, and automated network management. Configure BGP peering, implement complex routing decisions, and set up route aggregation for production networks.

45 min 4 distros 497 views
databases Intermediate

Configure MySQL connection pooling with ProxySQL 2.6 for high availability and performance optimization

Set up ProxySQL 2.6 to manage MySQL connection pooling, load balancing, and automatic failover. This tutorial covers backend server configuration, health checks, query routing rules, and monitoring for production MySQL environments.

45 min 4 distros 545 views
hosting Intermediate

Implement Lighttpd 1.4 load balancing with multiple backend servers for high availability

Configure Lighttpd 1.4 with mod_proxy for load balancing across multiple backend web servers. Set up health checks, SSL termination, and failover mechanisms for production environments.

45 min 4 distros 231 views
security Intermediate

Implement Linux security hardening with CIS benchmarks and automated compliance scanning

Harden your Linux systems using CIS benchmarks with automated compliance scanning and continuous monitoring. Learn to implement security controls for filesystem permissions, user authentication, network policies, and maintain ongoing compliance with industry standards.

45 min 4 distros 214 views
devops Advanced

Configure Apache Airflow DAG performance optimization best practices

Optimize Apache Airflow DAGs for production with parallelism tuning, resource allocation strategies, and performance monitoring. Learn executor configuration, task dependency optimization, and troubleshooting techniques for high-throughput workflows.

45 min 4 distros 360 views
networking Advanced

Implement WireGuard multi-site mesh networking with automatic routing and failover

Deploy a scalable WireGuard mesh network across multiple sites with automatic routing, failover mechanisms, and centralized management for high-availability site-to-site connectivity.

45 min 4 distros 319 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 314 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 294 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 294 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 461 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 620 views

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