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.

security Intermediate

Set up OSSEC agent deployment and centralized management with automated configuration

Deploy and manage OSSEC Host-based Intrusion Detection System (HIDS) across multiple servers with centralized monitoring, automated agent configuration, and real-time security event processing for enterprise-scale infrastructure protection.

45 min 4 distros 535 views
security Intermediate

Setup Nginx with ModSecurity 3 web application firewall for advanced threat protection

Configure Nginx with ModSecurity 3 and OWASP Core Rule Set to protect web applications against SQL injection, XSS, and other common attacks. This tutorial covers complete WAF setup with security rules, performance optimization, and threat testing.

45 min 4 distros 510 views
security Advanced

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

Configure HAProxy with ModSecurity 3 using SPOE protocol to create a high-performance web application firewall that protects against OWASP Top 10 threats while maintaining load balancing capabilities.

45 min 4 distros 994 views
security Intermediate

Set up centralized logging with rsyslog and logrotate for security events

Configure a centralized rsyslog server to collect security events from multiple systems, implement automated log rotation with logrotate, and set up filtering and alerting for critical security incidents across your infrastructure.

45 min 4 distros 547 views
performance Advanced

Optimize Linux RAID configuration for maximum disk performance with mdadm and advanced tuning

Learn how to configure and optimize Linux RAID arrays with mdadm for maximum disk performance. This comprehensive guide covers RAID level selection, advanced mdadm parameters, kernel I/O scheduler optimization, and file system tuning for high-throughput workloads.

45 min 4 distros 1,370 views
databases Intermediate

Implement MinIO data lifecycle management and automated archival with S3 retention policies

Configure MinIO lifecycle policies to automatically transition and expire objects based on age and storage class. Set up intelligent tiering and automated archival to optimize storage costs and compliance with data retention requirements.

35 min 4 distros 1,349 views
monitoring Advanced

Monitor MariaDB Galera cluster with Prometheus and Grafana for high availability insights

Configure comprehensive monitoring for MariaDB Galera clusters using Prometheus exporters and Grafana dashboards to track cluster health, replication status, and performance metrics with automated alerting for production environments.

45 min 4 distros 451 views
monitoring Advanced

Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards

Configure comprehensive monitoring for keepalived VRRP clusters using Prometheus metrics collection, alerting rules for failover events, and Grafana dashboards for high availability visualization.

45 min 4 distros 484 views
monitoring Intermediate

Configure Linux system performance monitoring with sar and sysstat for real-time metrics collection

Set up comprehensive system performance monitoring using sar and sysstat to collect CPU, memory, disk I/O, and network metrics with automated reporting and custom alerting for production Linux servers.

25 min 4 distros 809 views
monitoring Intermediate

Set up ClickHouse monitoring with Prometheus and Grafana dashboards

Configure comprehensive ClickHouse monitoring using Prometheus for metrics collection and Grafana for visualization. Set up system metrics, query performance monitoring, and alerting rules for production ClickHouse deployments.

45 min 4 distros 830 views
devops Intermediate

Configure Deno application clustering with load balancing for high availability

Set up Deno application clustering with worker threads and HAProxy load balancing for production-grade high availability deployments. Configure health checks, monitoring, and automatic failover mechanisms.

45 min 4 distros 555 views
monitoring Intermediate

Set up network monitoring with Nagios Core 4.5 and SNMP for infrastructure alerting

Configure Nagios Core 4.5 with SNMP monitoring to track network devices, servers, and services with automated alerting. Set up custom monitoring templates, notification systems, and dashboards for comprehensive infrastructure visibility.

45 min 4 distros 668 views

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