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

Set up multi-location monitoring with distributed Uptime Kuma instances

Deploy multiple Uptime Kuma instances across different geographic locations to monitor your services from various vantage points. This setup provides comprehensive monitoring coverage, reduces false positives, and enables regional performance analysis with centralized alerting.

45 min 4 distros 253 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 251 views
security Intermediate

Configure Node.js JWT authentication with Redis session storage and security hardening

Set up secure JWT authentication for Node.js applications with Redis session storage, security middleware, and production-ready hardening practices.

45 min 4 distros 213 views
performance Intermediate

Set up Linux performance monitoring with perf tools and flame graphs

Configure perf tools and FlameGraph toolkit to capture detailed CPU profiling data and generate interactive flame graphs for Linux performance analysis. Monitor application hotspots, CPU usage patterns, and identify performance bottlenecks in production environments.

45 min 4 distros 261 views
monitoring Advanced

Implement Thanos multi-cluster federation for global Prometheus metrics aggregation

Set up Thanos components across multiple Kubernetes clusters to enable global metrics federation, long-term storage, and unified querying of Prometheus data with high availability and unlimited retention.

45 min 4 distros 244 views
devops Intermediate

Integrate Redis 7 with microservices architecture for caching and session management

Set up Redis 7 as a centralized caching layer and session store for microservices, with service discovery integration and clustering for high availability. Configure distributed session management patterns and implement Redis clustering for horizontal scalability.

45 min 4 distros 320 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 222 views
security Intermediate

Configure SonarQube LDAP authentication and user management with Active Directory integration

Set up enterprise user authentication for SonarQube using LDAP and Active Directory. Configure group mapping, role-based access control, and automated user provisioning for centralized identity management.

45 min 4 distros 227 views
devops Advanced

Advanced Nomad job templates and deployment strategies with rolling updates and canary deployments

Master production-grade Nomad job templates with HCL syntax, implement rolling updates with health checks, and deploy advanced blue-green and canary deployment patterns for resilient containerized workloads.

45 min 4 distros 353 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 317 views
security Advanced

Configure SSL encryption and authentication for ClamAV cluster with high availability scanning

Set up a secure ClamAV cluster with SSL/TLS encryption, certificate-based authentication, and load balancing for enterprise-grade antivirus scanning. This tutorial covers SSL certificate generation, encrypted inter-node communication, and HAProxy SSL termination.

45 min 4 distros 300 views
security Advanced

Implement MinIO security hardening with IAM policies and audit logging

Secure your MinIO object storage with comprehensive IAM policies, role-based access control, and audit logging for compliance monitoring. This tutorial covers user management, policy creation, and security validation for production environments.

45 min 4 distros 378 views

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