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.

databases Intermediate

Configure Elasticsearch 8 snapshot and restore policies with automated backup strategies

Set up comprehensive Elasticsearch 8 backup strategies with snapshot lifecycle management (SLM), filesystem and S3 repository backends, automated scheduling, and recovery procedures for production environments.

45 min 4 distros 640 views
hosting Intermediate

Setup Caddy automatic SSL certificates with Let's Encrypt and DNS challenges

Configure Caddy 2 web server with automatic SSL certificate provisioning using Let's Encrypt and DNS challenge authentication for secure HTTPS automation.

25 min 4 distros 1,926 views
hosting Intermediate

Setup NGINX SSL certificates with PM2 clustering for Node.js applications

Configure NGINX as a reverse proxy with SSL certificates and load balancing for PM2 clustered Node.js applications. Set up automatic SSL certificate management with Let's Encrypt, implement health checks, and optimize performance for production environments.

45 min 4 distros 665 views
security Intermediate

Configure Apache SSL hardening with perfect forward secrecy and modern security protocols

Harden Apache HTTP server with modern SSL/TLS configuration, perfect forward secrecy cipher suites, and security headers to protect against common web vulnerabilities and ensure compliance with security standards.

25 min 4 distros 490 views
databases Advanced

Optimize Elasticsearch 8 search performance with custom analyzers and field mappings

Configure custom text analyzers, optimize field mappings, and implement index templates to dramatically improve Elasticsearch search performance and relevance for production workloads.

45 min 4 distros 466 views
monitoring Intermediate

Configure Prometheus Alertmanager with custom webhook integrations for Slack, Microsoft Teams, and PagerDuty notifications

Set up Prometheus Alertmanager with webhook receivers for Slack, Microsoft Teams, and PagerDuty notifications. Configure routing rules, test notifications, and implement alert escalation workflows for comprehensive monitoring coverage.

45 min 4 distros 1,000 views
databases Advanced

Configure MongoDB sharding with zone-based data distribution for geographic workloads

Set up MongoDB sharding with geographic zones to distribute data based on location, ensuring optimal performance for global applications and regulatory compliance.

45 min 4 distros 484 views
devops Advanced

Configure Kubernetes secrets management with Vault integration for secure container orchestration

Set up HashiCorp Vault Agent Injector to automatically inject secrets into Kubernetes pods without storing sensitive data in container images or configuration files. This production-grade approach replaces hardcoded secrets with dynamic, secure credential management.

45 min 4 distros 713 views
monitoring Advanced

Implement Alertmanager high availability clustering with automatic failover and load balancing

Set up a production-grade Alertmanager cluster with gossip protocol for high availability, automatic failover, and load balancing. Ensure your monitoring alerts remain operational even when individual nodes fail.

45 min 4 distros 706 views
databases Advanced

Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring

Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.

90 min 4 distros 496 views
devops Intermediate

Configure Kubernetes RBAC with service accounts and role bindings for secure cluster access control

Set up role-based access control in Kubernetes using service accounts, roles, and role bindings to implement least-privilege security principles and granular permission management for applications and users.

25 min 4 distros 722 views
monitoring Intermediate

Configure Prometheus Alertmanager with Slack integration for team notifications

Set up Prometheus Alertmanager to route alerts to Slack channels with custom notification rules. Configure alerting rules, webhook integration, and team-based routing for production monitoring workflows.

25 min 4 distros 744 views

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