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 Keycloak OAuth2 integration with OpenResty for enterprise SSO

Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.

45 min 4 distros 272 views
monitoring Intermediate

Monitor Django applications with Prometheus and Grafana for comprehensive performance insights

Set up comprehensive Django application monitoring using Prometheus metrics collection and Grafana dashboards. Configure django-prometheus middleware to track request metrics, database queries, and application performance with real-time alerting.

45 min 4 distros 335 views
databases Intermediate

Set up automated MySQL database backups with compression and rotation

Configure automated MySQL database backups with compression, encryption, and rotation using systemd timers. Includes monitoring and alerting for backup failures.

45 min 4 distros 226 views
monitoring Intermediate

Monitor PostgreSQL performance with Prometheus and Grafana dashboards

Set up comprehensive PostgreSQL monitoring using Prometheus PostgreSQL exporter and Grafana dashboards. Configure performance metrics collection, visualization, and alerting for database optimization and troubleshooting.

25 min 4 distros 237 views
hosting Advanced

Configure OpenResty with PostgreSQL connection pooling for database integration

Set up OpenResty with lua-resty-postgres for high-performance database connection pooling. This tutorial covers installation, connection management, health checks, and security hardening for production web applications.

45 min 4 distros 224 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 312 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 335 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 325 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 490 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 255 views
monitoring Advanced

Integrate Zabbix 7 with network automation and orchestration tools using Ansible and Python APIs

Build comprehensive network automation workflows by integrating Zabbix 7 monitoring with Ansible playbooks and custom Python scripts. This tutorial covers API authentication, automated host provisioning, and dynamic monitoring configuration for enterprise infrastructure management.

45 min 4 distros 248 views
performance Advanced

Configure Apache Airflow performance optimization with connection pooling and resource tuning

Optimize Apache Airflow performance through advanced connection pooling, resource tuning, and Celery executor configuration. Learn to scale workers, configure database pools, and implement comprehensive monitoring for production workflows.

45 min 4 distros 589 views

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