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.

linux Intermediate

Configure Linux disk usage monitoring and automated cleanup with systemd timers

Set up automated disk monitoring, log cleanup, and email alerts using systemd timers to prevent disk space issues. Configure log rotation, temporary file cleanup, and threshold-based alerting for production systems.

25 min 6 distros 1,608 views
hosting Beginner

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

Set up Caddy, a modern web server with automatic HTTPS certificates from Let's Encrypt, zero-config HTTP/2, and built-in reverse proxy capabilities for production applications.

25 min 6 distros 4,830 views
linux Intermediate

Configure Linux system logging with rsyslog and journald for centralized log management

Set up comprehensive Linux logging infrastructure using rsyslog for traditional syslog handling and journald for systemd service logs. Configure remote logging, log rotation, filtering rules, and troubleshoot common logging performance issues.

25 min 6 distros 2,044 views
performance Intermediate

Configure Linux memory management and swap optimization for high-performance workloads

Optimize Linux memory subsystem performance through advanced swap configuration, virtual memory tuning, and memory compression techniques. Learn to configure transparent huge pages, zram, and application-specific memory settings for high-performance workloads.

25 min 6 distros 2,001 views
linux Intermediate

Configure automatic security updates with unattended-upgrades and email notifications

Set up automated security patching on Linux servers with unattended-upgrades and dnf-automatic. Configure email notifications, update policies, and monitoring to keep your systems secure while maintaining control over critical services.

25 min 6 distros 1,814 views
devops Intermediate

Implement Kubernetes monitoring with Prometheus and Helm charts for comprehensive cluster observability

Deploy a production-ready Prometheus monitoring stack on Kubernetes using Helm charts with ServiceMonitors, alerting rules, and comprehensive cluster observability for metrics collection and monitoring.

45 min 4 distros 1,155 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 1,426 views
hosting Intermediate

Setup nginx reverse proxy with SSL certificates and security hardening

Configure nginx as a secure reverse proxy with Let's Encrypt SSL certificates, security headers, and DDoS protection. Learn to proxy backend applications, implement rate limiting, and harden your web server configuration.

35 min 4 distros 1,218 views
monitoring Intermediate

Monitor Docker containers with Prometheus and Grafana using cAdvisor for comprehensive metrics collection

Set up comprehensive Docker container monitoring with Prometheus, Grafana, and cAdvisor to track resource usage, performance metrics, and container health in production environments.

45 min 4 distros 1,351 views
performance Advanced

Optimize Elasticsearch 8 indexing performance for large datasets with bulk operations and memory tuning

Configure Elasticsearch 8 for maximum indexing performance when handling large datasets through bulk API optimization, JVM memory tuning, and index mapping strategies. This guide covers production-grade performance tuning for high-throughput indexing workloads.

45 min 4 distros 1,651 views
devops Intermediate

Configure Kafka Connect for database integration with JDBC connectors and CDC

Set up Kafka Connect with JDBC connectors for real-time database integration and configure Debezium for change data capture. Monitor connector performance and troubleshoot common integration issues.

45 min 4 distros 1,459 views
networking Intermediate

Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

Set up HAProxy with Consul integration for automatic service discovery, health checking, and dynamic backend updates. This tutorial covers consul-template configuration for zero-downtime scaling and failover in microservices architectures.

35 min 4 distros 1,560 views

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