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

Implement log-based monitoring and alerting with Grafana and Loki

Set up comprehensive log aggregation with Loki, centralized visualization with Grafana dashboards, and automated alerting rules for proactive incident response across your infrastructure.

45 min 4 distros 148 views
security Intermediate

Implement Linux security hardening with CIS benchmarks and automated compliance scanning

Harden your Linux systems using CIS benchmarks with automated compliance scanning and continuous monitoring. Learn to implement security controls for filesystem permissions, user authentication, network policies, and maintain ongoing compliance with industry standards.

45 min 4 distros 134 views
security Intermediate

Configure NGINX rate limiting and DDoS protection with advanced security rules

Set up NGINX rate limiting modules, implement connection limits, and configure geographic blocking to protect your web applications from DDoS attacks and abuse.

25 min 4 distros 125 views
monitoring Intermediate

Monitor nginx performance with Prometheus and Grafana using nginx-prometheus-exporter

Set up comprehensive nginx monitoring with Prometheus and Grafana dashboards. Configure nginx stub_status, deploy nginx-prometheus-exporter, and create production-ready alerts for web server performance metrics.

25 min 4 distros 155 views
monitoring Intermediate

Configure Loki and Promtail for centralized Docker log aggregation and analysis

Set up Grafana Loki and Promtail to collect, aggregate, and analyze logs from Docker containers. Configure retention policies, integrate with Grafana for visualization, and enable real-time log monitoring across your infrastructure.

25 min 4 distros 172 views
devops Intermediate

Configure AWX backup and disaster recovery procedures with automated PostgreSQL snapshots and restoration

Set up comprehensive backup and disaster recovery for AWX (Ansible Tower) with automated PostgreSQL database snapshots, configuration backups, and tested restoration procedures to ensure business continuity.

45 min 4 distros 178 views
monitoring Intermediate

Set up Zabbix proxy for distributed network monitoring

Configure Zabbix proxy servers to distribute monitoring load across multiple network segments, reduce server load, and monitor remote locations through secure proxy connections.

45 min 4 distros 279 views
security Advanced

Implement Envoy proxy JWT authentication with OAuth2 integration

Configure Envoy proxy with JWT authentication filters integrated with Keycloak OAuth2 provider for secure microservices communication and advanced rate limiting policies.

45 min 4 distros 205 views
devops Advanced

Configure Podman secrets management with HashiCorp Vault integration

Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.

45 min 4 distros 175 views
monitoring Intermediate

Configure Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

Set up Prometheus Blackbox Exporter to monitor HTTP, HTTPS, DNS, TCP, and ICMP endpoints with SSL certificate validation and automated alerting for comprehensive uptime monitoring.

25 min 4 distros 170 views
devops Intermediate

Configure Ansible Vault for secret management and encryption with playbook automation

Set up Ansible Vault to encrypt sensitive data like passwords, API keys, and certificates in your playbooks. Learn to create encrypted variables, manage vault passwords, and integrate secure secret handling into automated deployments.

25 min 4 distros 193 views
devops Intermediate

Configure Apache Airflow with SSL certificates and NGINX reverse proxy for secure production deployment

Set up Apache Airflow behind NGINX with SSL certificates, security headers, and reverse proxy configuration for production-grade deployments with HTTPS termination.

35 min 4 distros 201 views

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