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

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 418 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 365 views
devops Intermediate

Set up GitLab container registry mirror and proxy cache for improved performance

Configure GitLab's built-in container registry as a mirror and proxy cache to reduce Docker Hub rate limits, speed up image pulls, and improve CI/CD pipeline performance across your organization.

45 min 4 distros 352 views
devops Intermediate

Implement Consul backup and disaster recovery with automated snapshots and restoration

Set up automated Consul snapshots with GPG encryption, systemd timers, and complete disaster recovery procedures. Includes monitoring integration with Prometheus and automated restoration workflows for production environments.

45 min 4 distros 547 views
monitoring Intermediate

Configure NGINX monitoring with Prometheus and Grafana dashboards for real-time web server performance metrics

Set up comprehensive NGINX monitoring using Prometheus metrics collection and custom Grafana dashboards to track web server performance, request rates, and response times in real-time.

45 min 4 distros 407 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 391 views
monitoring Intermediate

Set up Prometheus and Grafana monitoring stack with Docker Compose

Deploy a complete monitoring solution using Prometheus for metrics collection and Grafana for visualization with Docker Compose. This setup provides comprehensive system monitoring, alerting capabilities, and customizable dashboards.

25 min 4 distros 598 views
monitoring Intermediate

Configure Prometheus monitoring for ArgoCD with metrics collection and Grafana dashboards

Set up comprehensive ArgoCD monitoring with Prometheus metrics collection, custom service discovery, and Grafana dashboards. Configure alerting rules for deployment failures and performance issues to maintain GitOps visibility.

45 min 4 distros 310 views
monitoring Intermediate

Monitor Kubernetes cluster with Prometheus Operator for comprehensive observability

Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.

45 min 4 distros 314 views
monitoring Intermediate

Configure Fluentd with Kubernetes DaemonSet and log routing for centralized collection

Deploy Fluentd as a DaemonSet on Kubernetes for centralized log collection with multi-format parsing, routing to multiple outputs, and RBAC security. Includes configuration for Elasticsearch, S3, and custom log sources.

45 min 4 distros 422 views
monitoring Intermediate

Configure Zabbix 7 API automation with Python scripts for monitoring and alerting

Automate Zabbix 7 monitoring tasks with Python scripts using the API. Set up host discovery, template assignment, custom monitoring scripts, and alerting automation for streamlined infrastructure management.

45 min 4 distros 423 views
security Advanced

Configure advanced iptables firewall rules with logging, port knocking, and DDoS protection

Build a production-grade iptables firewall with connection tracking, rate limiting, and port knocking. Includes automated DDoS protection, detailed logging, and security hardening for enterprise environments.

45 min 4 distros 439 views

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