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

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 200 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 243 views
devops Advanced

Integrate AWX 24.6 with HashiCorp Vault for dynamic secrets management and secure automation workflows

Configure AWX to securely retrieve database credentials and API keys from HashiCorp Vault using dynamic secrets that automatically rotate. Set up credential types, database engines, and secure playbook execution with centralized secrets management.

45 min 4 distros 258 views
security Intermediate

Configure Falco runtime security for Kubernetes threat detection with eBPF monitoring

Set up Falco with eBPF monitoring to detect runtime security threats in Kubernetes clusters. Configure custom rules, integrate Prometheus metrics, and establish comprehensive threat detection for container workloads.

45 min 4 distros 394 views
devops Advanced

Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management

Deploy Ansible AWX with Docker Compose for centralized automation management. Configure enterprise RBAC, dynamic inventory sources, and workflow templates for scalable infrastructure orchestration across multiple environments.

45 min 4 distros 234 views
monitoring Advanced

Set up Grafana Enterprise high availability clustering with PostgreSQL backend and load balancing

Build a production-ready Grafana Enterprise cluster with PostgreSQL shared storage, HAProxy load balancing, and SSL encryption. Includes automated failover, session persistence, and comprehensive monitoring for enterprise observability platforms.

90 min 4 distros 334 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 279 views
monitoring Intermediate

Configure Loki with S3 storage backend for scalable centralized logging

Set up Grafana Loki with S3-compatible object storage for scalable log aggregation. Configure retention policies, schema management, and monitoring for production-ready centralized logging infrastructure.

45 min 4 distros 231 views
monitoring Intermediate

Set up Prometheus Alertmanager webhook notifications for Loki log alerts with Grafana integration

Configure Prometheus Alertmanager to send webhook notifications for Loki log-based alerts with proper routing, templating, and Grafana dashboard integration for comprehensive monitoring.

45 min 4 distros 216 views
security Intermediate

Set up SSH bastion host with jump server configuration for secure network access

Configure an SSH bastion host to secure access to private networks, implementing jump server functionality with key-based authentication and access controls for enhanced security.

25 min 4 distros 274 views
hosting Beginner

Fix systemd service keeps restarting in a loop

Stop systemd services from continuously restarting by identifying restart loop causes, debugging configuration issues, and implementing proper service constraints to ensure stable operation.

25 min 6 distros 645 views
linux Beginner

Configure Linux system services with systemctl and service management

Learn to manage Linux system services with systemctl commands, enable services on boot, create custom service files, and troubleshoot service failures with journalctl for reliable system administration.

25 min 6 distros 314 views

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