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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Most viewed

Configure Linux system time synchronization with chrony and NTP hardening

linux
873

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

security
753

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

hosting
734

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

hosting
728

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
717

Recently published

Configure OSSEC active response for automated threat blocking

security
1 hour ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
1 hour ago

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

security
1 hour ago

Configure keepalived with HAProxy backend health monitoring for high availability load balancing

networking
1 hour ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
6 hours ago
"alerts" × Clear all
databases Intermediate

Implement Redis backup automation with compression and encryption

Set up automated Redis backups with compression and GPG encryption for production environments. Create systemd timers for scheduled backups and implement secure remote storage for Redis data protection.

25 min 4 distros 159 views
monitoring Intermediate

Implement Grafana alerting with Prometheus and InfluxDB for comprehensive monitoring

Set up comprehensive Grafana alerting using both Prometheus metrics and InfluxDB time-series data to monitor your infrastructure from multiple data sources. This tutorial covers configuring data sources, creating alert rules, and setting up notification channels for production monitoring.

45 min 4 distros 112 views
devops Intermediate

Implement Kubernetes cluster autoscaler for automatic node scaling

Configure Kubernetes cluster autoscaler to automatically add and remove worker nodes based on pod resource demands. This tutorial covers cloud provider integration, scaling policies, and monitoring for production-grade horizontal scaling.

45 min 4 distros 168 views
monitoring Intermediate

Integrate MinIO with Prometheus monitoring for performance metrics and observability

Set up comprehensive monitoring for your MinIO object storage cluster with Prometheus metrics collection, Grafana visualization dashboards, and automated alerting rules for production environments.

35 min 4 distros 138 views
databases Advanced

Implement ScyllaDB disaster recovery with cross-region replication

Set up ScyllaDB multi-region cluster with automated backup strategies, cross-datacenter replication, and failover automation for enterprise-grade disaster recovery and business continuity.

180 min 4 distros 147 views
monitoring Advanced

Configure advanced Grafana dashboards and alerting with Prometheus integration

Learn to build production-grade Grafana dashboards with advanced templating, custom Prometheus queries, sophisticated alerting rules, and automated provisioning for scalable monitoring infrastructure.

45 min 4 distros 198 views
devops Advanced

Configure SonarQube high availability clustering with PostgreSQL and load balancing

Set up enterprise-grade SonarQube clustering with PostgreSQL database replication, multiple application nodes, and HAProxy load balancing for zero-downtime code quality analysis across distributed teams.

90 min 4 distros 187 views
monitoring Intermediate

Implement SNMP trap monitoring and alerting system for proactive network management

Set up comprehensive SNMP trap monitoring with snmptrapd, automated alerting via email and webhooks, and integration with monitoring platforms like Nagios and Zabbix for proactive network management and real-time issue detection.

45 min 4 distros 153 views
security Intermediate

Configure Redis backup encryption with GPG for secure automated backups

Set up encrypted Redis backups using GPG keys with automated scheduling through systemd timers. This tutorial covers GPG key management, backup script creation, and secure restoration procedures for production Redis environments.

45 min 4 distros 214 views
security Advanced

Configure Airflow DAG security and isolation with RBAC policies

Set up comprehensive security for Apache Airflow with role-based access control, DAG-level permissions, and resource isolation. Configure user authentication, implement fine-grained security policies, and establish monitoring for production-grade workflow orchestration.

45 min 4 distros 160 views
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 174 views
networking Intermediate

Install and configure Squid 6 proxy server with bandwidth controls and content filtering

Set up Squid 6 proxy server with advanced traffic shaping, content filtering, and user authentication. Configure bandwidth limits, access control lists, and comprehensive logging for enterprise proxy deployments.

45 min 4 distros 100 views

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