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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Configure Linux system time synchronization with chrony and NTP hardening

linux
873

Set up Node.js application security with Helmet and rate limiting

security
753

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
734

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
728

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
717

Recently published

Configure OSSEC active response for automated threat blocking

security
1 hour ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
1 hour ago

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

security
1 hour ago

Configure keepalived with HAProxy backend health monitoring for high availability load balancing

networking
1 hour ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
6 hours ago
"elasticsearch-cluster" × Clear all
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 54 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 61 views
security Intermediate

Configure intrusion detection with OSSEC and Wazuh for real-time security monitoring

Set up comprehensive host-based intrusion detection with OSSEC HIDS and Wazuh manager for real-time security monitoring, file integrity checking, and automated threat response across your infrastructure.

45 min 4 distros 105 views
monitoring Advanced

Install and configure Graylog 5 for centralized log management with MongoDB and Elasticsearch

Set up Graylog 5 with MongoDB 8.0 and Elasticsearch 8 for centralized log collection, analysis, and alerting. Learn to configure secure inputs, data streams, and monitoring for production environments.

45 min 4 distros 106 views
databases Advanced

Set up Elasticsearch 8 cross-cluster replication for disaster recovery and high availability

Configure Elasticsearch 8 cross-cluster replication (CCR) to replicate indices across multiple clusters for disaster recovery. This tutorial covers security setup, remote cluster connections, replication policies, and automated failover procedures.

45 min 4 distros 167 views
monitoring Intermediate

Set up OpenTelemetry metrics collection with Prometheus integration for distributed system monitoring

Configure OpenTelemetry Collector to gather metrics from distributed services and export them to Prometheus for comprehensive observability monitoring. This integration provides unified metrics collection across your microservices architecture.

25 min 4 distros 146 views
monitoring Intermediate

Monitor Elasticsearch cluster with Prometheus and Grafana dashboards

Set up comprehensive Elasticsearch cluster monitoring using Prometheus Elasticsearch Exporter and Grafana dashboards. Configure alerting rules for cluster health, performance metrics, and automated notifications.

45 min 4 distros 174 views
monitoring Intermediate

Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards

Set up comprehensive monitoring for Elasticsearch 8 using Prometheus metrics collection and Grafana visualization. This tutorial covers exporter installation, metric configuration, dashboard setup, and alerting rules for production environments.

45 min 4 distros 298 views
databases Intermediate

Implement Elasticsearch 8 index lifecycle management and retention policies

Configure automated index lifecycle management (ILM) policies in Elasticsearch 8 to optimize storage, performance, and data retention. Learn to set up hot-warm-cold architectures with automatic rollover and deletion based on age and size criteria.

25 min 4 distros 493 views
security Advanced

Setup Elasticsearch 8 SSL/TLS encryption and advanced security hardening with authentication and access control

Secure your Elasticsearch 8 cluster with comprehensive SSL/TLS encryption, user authentication, role-based access control, and network hardening. This tutorial covers production-grade security configuration to protect your search infrastructure.

45 min 4 distros 511 views
security Advanced

Setup Elasticsearch 8 authentication with LDAP and Active Directory integration

Configure Elasticsearch 8 with X-Pack security to authenticate users against LDAP and Active Directory servers. This tutorial covers LDAP realm configuration, role-based access control, and troubleshooting authentication issues.

45 min 4 distros 296 views
databases Advanced

Configure Elasticsearch 8 cluster with multiple nodes for high availability and scalability

Set up a production-ready Elasticsearch 8 cluster with dedicated master, data, and coordinating nodes for high availability, fault tolerance, and horizontal scalability across multiple servers.

45 min 4 distros 518 views

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