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

Configure SSH port forwarding and tunneling for secure connections

Learn to configure SSH port forwarding, remote tunnels, and SOCKS proxy for secure network connections. Set up local, remote, and dynamic port forwarding with automated monitoring and security hardening.

35 min 4 distros 766 views
monitoring Intermediate

Integrate MinIO with Prometheus monitoring for performance metrics and observability

Set up comprehensive monitoring for your MinIO object storage cluster with Prometheus metrics collection, Grafana visualization dashboards, and automated alerting rules for production environments.

35 min 4 distros 1,047 views
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
monitoring Intermediate

Implement SNMP trap monitoring and alerting system for proactive network management

Set up comprehensive SNMP trap monitoring with snmptrapd, automated alerting via email and webhooks, and integration with monitoring platforms like Nagios and Zabbix for proactive network management and real-time issue detection.

45 min 4 distros 871 views
monitoring Intermediate

Monitor OpenVPN connections with Grafana dashboard and Prometheus metrics

Set up comprehensive monitoring for your OpenVPN server using Prometheus to collect connection metrics and Grafana to visualize client connections, bandwidth usage, and server performance through custom dashboards.

45 min 4 distros 780 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
security Advanced

Configure Airflow DAG security and isolation with RBAC policies

Set up comprehensive security for Apache Airflow with role-based access control, DAG-level permissions, and resource isolation. Configure user authentication, implement fine-grained security policies, and establish monitoring for production-grade workflow orchestration.

45 min 4 distros 963 views
security Intermediate

Set up OSSEC agent deployment and centralized management with automated configuration

Deploy and manage OSSEC Host-based Intrusion Detection System (HIDS) across multiple servers with centralized monitoring, automated agent configuration, and real-time security event processing for enterprise-scale infrastructure protection.

45 min 4 distros 858 views
monitoring Advanced

Integrate OpenTelemetry with ELK stack for unified observability and distributed tracing

Set up a comprehensive observability stack by integrating OpenTelemetry Collector with Elasticsearch, Logstash, and Kibana for distributed tracing, metrics collection, and unified monitoring across microservices and applications.

45 min 4 distros 831 views
networking Intermediate

Install and configure Squid 6 proxy server with bandwidth controls and content filtering

Set up Squid 6 proxy server with advanced traffic shaping, content filtering, and user authentication. Configure bandwidth limits, access control lists, and comprehensive logging for enterprise proxy deployments.

45 min 4 distros 663 views

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