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 741 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 658 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 1,099 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 671 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 625 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 909 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 1,021 views
databases Advanced

Configure MariaDB Galera cluster 10.11 for multi-master replication with automatic failover

Set up a highly available MariaDB Galera cluster with multi-master replication, automatic failover, and synchronous data replication across multiple database nodes for enterprise applications.

45 min 4 distros 971 views
linux Intermediate

Configure systemd user services for application startup

Learn how to configure systemd user services to automatically start applications without root privileges. This guide covers creating service units, managing lifecycle, and troubleshooting user services for reliable application startup.

25 min 4 distros 1,058 views
security Intermediate

Implement Linux file system encryption with LUKS and cryptsetup

Encrypt Linux file systems and partitions using LUKS (Linux Unified Key Setup) with cryptsetup tools. Configure encrypted storage, manage encryption keys, and implement backup procedures for production environments.

25 min 4 distros 1,005 views
databases Advanced

Optimize ScyllaDB performance for time-series data workloads with advanced configuration tuning

Configure ScyllaDB with specialized optimizations for time-series workloads including partitioning strategies, compaction settings, and memory tuning. Set up monitoring with Prometheus and Grafana for production performance insights.

45 min 4 distros 611 views
performance Intermediate

Configure Varnish ESI (Edge Side Includes) for dynamic content optimization

Set up Varnish Cache 7 with Edge Side Includes to fragment and cache dynamic content separately. ESI allows you to cache static page parts while keeping dynamic sections fresh, improving performance for complex applications with mixed content types.

25 min 4 distros 919 views

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