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.

monitoring Intermediate

Configure Netdata MySQL monitoring and database performance alerts

Set up comprehensive MySQL monitoring with Netdata for real-time database performance metrics, query analysis, and automated alerts. Monitor connection pools, slow queries, and resource usage with production-grade alerting.

25 min 4 distros 370 views
monitoring Advanced

Configure advanced htop monitoring with custom scripts and alerting

Build a production-grade monitoring system using custom-compiled htop with automated process analysis scripts and multi-channel alerting for proactive infrastructure management.

45 min 4 distros 327 views
networking Intermediate

Configure SNMP v3 authentication and encryption for secure network monitoring

Set up SNMP version 3 with user authentication and data encryption to secure network monitoring communications. This tutorial covers Net-SNMP daemon configuration, security protocols, and monitoring tool integration.

25 min 4 distros 544 views
monitoring Intermediate

Configure advanced Uptime Kuma monitoring with API integrations and automated alerting

Set up Uptime Kuma with advanced API endpoints, custom notification channels, and automated monitoring workflows. Configure health check automation, status page customization, and enterprise alerting rules for production environments.

45 min 4 distros 369 views
monitoring Intermediate

Configure Node.js application monitoring with PM2 and Grafana

Set up comprehensive Node.js application monitoring using PM2 process manager with Prometheus metrics collection and Grafana dashboards for production-grade observability and alerting.

45 min 4 distros 310 views
monitoring Intermediate

Configure Nagios custom plugins development for specialized monitoring requirements

Learn to develop custom Nagios plugins for specialized monitoring requirements including setting up the development environment, writing check scripts in multiple languages, and integrating them into your Nagios Core monitoring infrastructure.

45 min 4 distros 316 views
security Intermediate

Configure Nagios Core 4.5 SSL certificates and security hardening with authentication controls

Secure your Nagios monitoring with SSL certificates, advanced authentication, and comprehensive access controls. This guide covers Let's Encrypt integration, web interface hardening, and security monitoring setup.

45 min 4 distros 314 views
linux Intermediate

Optimize systemd journal logging performance and storage

Learn how to optimize systemd journald for production environments by configuring storage limits, compression, performance settings, and implementing log forwarding with monitoring.

25 min 4 distros 419 views
networking Intermediate

Configure HAProxy load balancing with multiple backend servers

Set up HAProxy to distribute traffic across multiple backend servers with health checks, SSL termination, and automatic failover for high availability load balancing.

45 min 4 distros 493 views
databases Beginner

Set up development database environments with environment variables

Learn to configure PostgreSQL, MySQL, and MariaDB development databases using environment variables for secure connection management and simplified configuration across different environments.

25 min 4 distros 290 views
hosting Intermediate

Configure NGINX virtual hosts with SSL certificates for multiple domains

Set up multiple domains on a single NGINX server with automatic SSL certificates from Let's Encrypt. Handle domain routing, certificate management, and secure configurations for production hosting.

25 min 4 distros 407 views
monitoring Intermediate

Configure MariaDB 11.6 monitoring with Prometheus and Grafana dashboards

Set up comprehensive MariaDB monitoring with Prometheus mysqld_exporter metrics collection and Grafana visualization. Configure database performance alerts, query monitoring, and custom dashboards for production MariaDB instances.

25 min 4 distros 394 views

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