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
859

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

security
742

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

hosting
714

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
706

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

hosting
706

Recently published

Integrate ModSecurity 3 with SOAR platforms for automated incident response and threat detection

security
4 hours ago

Monitor Node.js applications with Prometheus and Grafana for comprehensive performance metrics

monitoring
4 hours ago

Set up PostgreSQL 17 streaming replication with PgBouncer connection pooling and load balancing

databases
4 hours ago

Set up ELK Stack for centralized ModSecurity log analysis and monitoring

security
4 hours ago

Implement network security policies with iptables and firewalld for enterprise infrastructure protection

security
9 hours ago
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monitoring Intermediate

Implement custom Prometheus exporters for application metrics collection and monitoring

Build production-grade custom Prometheus exporters in Python and Go to collect application-specific metrics. Learn exporter architecture, metric types, systemd deployment, and Prometheus integration for comprehensive application monitoring.

45 min 4 distros 300 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 242 views
monitoring Advanced

Set up Thanos Receiver for remote write scalability with Prometheus integration

Configure Thanos Receiver to handle high-volume remote write traffic from multiple Prometheus instances. This tutorial covers installation, multi-tenancy setup, and performance optimization for large-scale metrics ingestion.

45 min 4 distros 354 views
security Advanced

Implement Jaeger security with TLS encryption and authentication for distributed tracing

Secure your Jaeger distributed tracing infrastructure with TLS encryption, JWT-based authentication, and RBAC policies. This tutorial covers certificate generation, collector/query service encryption, and UI authentication through reverse proxy integration.

45 min 4 distros 352 views
devops Advanced

Implement Kubernetes Pod Security Standards and admission controllers for policy enforcement

Configure Pod Security Standards with baseline and restricted profiles, deploy OPA Gatekeeper admission controller with custom policies, and implement ValidatingAdmissionWebhooks for comprehensive security enforcement in production Kubernetes clusters.

45 min 4 distros 351 views
databases Intermediate

Configure ScyllaDB backup and restore with automation

Set up automated daily backups for ScyllaDB with monitoring, restore procedures, and retention policies. Includes snapshot management, S3 storage integration, and comprehensive alerting for production NoSQL environments.

45 min 4 distros 282 views
networking Intermediate

Configure NTP server with chrony and security hardening for precise time synchronization

Set up a production-grade NTP server using chrony with client access controls, firewall rules, and security hardening. Learn to configure upstream time sources, implement monitoring, and troubleshoot common synchronization issues.

35 min 4 distros 519 views
devops Advanced

Integrate Nexus Repository with Kubernetes and Docker registry authentication

Set up Nexus Repository Manager as a private Docker registry integrated with Kubernetes clusters, configure secure authentication and authorization, and enable automated container image deployment with RBAC controls.

45 min 4 distros 542 views
security Advanced

Configure ClamAV cluster scanning for high availability and enterprise threat detection

Build a production-grade ClamAV cluster with HAProxy load balancing, shared virus definitions, and comprehensive monitoring for enterprise-scale threat detection and high availability.

45 min 4 distros 483 views
monitoring Intermediate

Monitor Linux system resources with performance alerts and automated responses

Set up comprehensive Linux system monitoring with Prometheus, Node Exporter, and Alertmanager to track CPU, memory, and disk usage with automated alerts and response scripts for proactive system management.

45 min 4 distros 375 views
performance Intermediate

Implement Varnish cache warming with automated content preloading for high-performance websites

Set up automated Varnish cache warming with priority URL preloading, systemd timers for scheduled content refreshing, and comprehensive monitoring to optimize cache hit rates and reduce backend server load for high-traffic websites.

35 min 4 distros 464 views
devops Intermediate

Configure Kubernetes persistent volumes with NFS storage for container data persistence

Set up NFS-backed persistent volumes in Kubernetes to provide shared, durable storage for containerized applications across multiple nodes with automatic failover capabilities.

25 min 4 distros 329 views

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