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.

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Install and configure CockroachDB cluster with high availability and distributed SQL

databases
425

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
424

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
411

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
404

Install and configure WireGuard VPN server with client management

networking
402

Recently published

Configure Nagios SNMP monitoring for network devices with automated discovery and templates

monitoring
6 hours ago

Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards

monitoring
7 hours ago

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

security
7 hours ago

Configure NGINX reverse proxy with advanced caching and load balancing

hosting
7 hours ago

Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications

monitoring
17 hours ago
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security Advanced

Set up intrusion detection with OSSEC HIDS and nftables integration for automated threat response

Configure OSSEC Host-based Intrusion Detection System with nftables firewall integration for real-time threat detection and automated response. Monitor system activity, detect intrusions, and automatically block malicious IPs using active response mechanisms.

45 min 4 distros 83 views
networking Intermediate

Implement SNMP device auto-discovery with network scanning and automated inventory management

Set up automated SNMP device discovery using nmap network scanning and Python scripts for dynamic inventory management. Integrate with Zabbix and Grafana for comprehensive network monitoring and visualization.

45 min 4 distros 103 views
devops Advanced

Set up Apache Airflow high availability with CeleryExecutor and Redis clustering

Deploy Apache Airflow in high availability mode using CeleryExecutor with Redis clustering for task distribution, PostgreSQL connection pooling, and load-balanced webservers for production-grade workflow orchestration.

45 min 4 distros 33 views
monitoring Intermediate

Integrate Nagios Core 4.5 with Grafana dashboards for advanced monitoring visualization

Connect Nagios Core 4.5 with Grafana through NDOUtils and MySQL to create powerful monitoring dashboards. This integration provides advanced visualization capabilities, real-time alerting, and comprehensive monitoring insights for your infrastructure.

45 min 4 distros 107 views
devops Advanced

Implement Apache Spark 3.5 cluster with YARN and HDFS for distributed computing

Set up a production-grade Apache Spark 3.5 cluster with YARN resource management and HDFS distributed storage for scalable big data processing. This tutorial covers multi-node Hadoop cluster configuration, YARN integration, and monitoring setup.

45 min 4 distros 70 views
databases Advanced

Set up MariaDB Galera Cluster 11.6 for multi-master replication with automatic failover

Configure a production-ready MariaDB Galera cluster with three nodes for multi-master replication, automatic failover, and SSL encryption. Includes HAProxy load balancing and comprehensive monitoring for high availability database operations.

45 min 4 distros 156 views
performance Advanced

Configure Varnish cache invalidation with automated purging strategies for high-performance web acceleration

Learn to configure advanced Varnish VCL for cache invalidation, implement PURGE and BAN strategies, and set up automated cache tagging for optimal performance. Master selective invalidation techniques and monitoring for production-grade web acceleration.

45 min 4 distros 120 views
security Intermediate

Implement Apache web application firewall with ModSecurity 3 and OWASP Core Rule Set

Deploy ModSecurity 3 as an Apache module with OWASP Core Rule Set to protect web applications from common attacks. Configure real-time logging, custom rules, and automated threat detection for production environments.

45 min 4 distros 156 views
databases Advanced

Implement TimescaleDB backup strategies and point-in-time recovery with automated failover

Configure comprehensive TimescaleDB backup solutions with continuous WAL archiving, automated point-in-time recovery procedures, and monitoring systems to ensure data protection and business continuity.

45 min 4 distros 57 views
monitoring Intermediate

Set up Kibana alerting and monitoring with Elasticsearch Watcher for automated threat detection

Configure Kibana alerting rules and Elasticsearch Watcher to automatically detect security threats and send notifications via email or Slack. Set up monitoring dashboards with automated responses for production security monitoring.

45 min 4 distros 93 views
networking Advanced

Set up nftables IPv6 NAT and dual-stack networking with firewall rules and traffic forwarding

Configure nftables with IPv6 NAT masquerading, dual-stack IPv4/IPv6 forwarding, and comprehensive firewall rules for secure network routing and traffic management on modern Linux systems.

45 min 4 distros 110 views
devops Advanced

Setup Apache Airflow cluster with Kubernetes Executor for auto-scaling workflows

Deploy production-grade Apache Airflow with Kubernetes Executor for dynamic workflow scaling. Configure PostgreSQL backend, RBAC authentication, and auto-scaling policies with Prometheus monitoring integration.

45 min 4 distros 76 views

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