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.

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Install and configure Deno for web development with systemd and reverse proxy

hosting
9,936

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
5,662

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
4,699

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases
4,117

Install and configure Ollama for local AI models on Linux servers

devops
4,080

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking
2 weeks ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
2 weeks ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
3 weeks ago
"validation" × Clear all
monitoring Intermediate

Implement Grafana advanced alerting with webhooks and notification channels

Set up comprehensive Grafana alerting with webhook endpoints, Slack and Teams notifications, and advanced alert conditions. Configure data sources, create alert rules, and implement custom notification channels for production monitoring.

45 min 4 distros 1,225 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 619 views
devops Advanced

Deploy Envoy-based service mesh in Kubernetes production environment with SSL and observability

Set up a production-ready Envoy service mesh in Kubernetes with mutual TLS authentication, SSL certificate management, and comprehensive observability through Prometheus monitoring and distributed tracing.

45 min 4 distros 533 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 720 views
monitoring Advanced

Configure custom Grafana plugins for specialized monitoring requirements

Build custom Grafana data source and panel plugins from scratch, then deploy them securely in production environments with proper authentication and access controls.

45 min 4 distros 619 views
security Intermediate

Implement Airflow DAG security scanning with Bandit and safety checks

Set up automated security scanning for Apache Airflow DAGs using Bandit for Python code analysis and Safety for vulnerability detection. Configure pre-commit hooks and CI/CD integration for continuous security monitoring.

45 min 4 distros 529 views
devops Advanced

Configure Apache Airflow data lineage tracking with OpenLineage for comprehensive workflow observability

Set up OpenLineage with Apache Airflow to track data lineage across workflows, providing comprehensive observability into data transformations, dependencies, and quality issues in production environments.

45 min 4 distros 746 views
networking Advanced

Implement Kubernetes network policies with Calico for microsegmentation

Configure Calico CNI to enforce network policies for pod-to-pod traffic control and namespace isolation. This tutorial covers advanced microsegmentation patterns, ingress/egress rules, and policy monitoring for production Kubernetes security.

45 min 4 distros 868 views
devops Advanced

Integrate OPA Gatekeeper with ArgoCD for GitOps policy management

Set up Open Policy Agent Gatekeeper with ArgoCD to enforce Kubernetes admission policies through GitOps workflows. This tutorial covers installation, policy template creation, and automated policy enforcement with monitoring.

45 min 4 distros 638 views
devops Intermediate

Configure Kubernetes Pod Security Standards with admission controllers for policy enforcement

Learn how to implement Kubernetes Pod Security Standards using built-in admission controllers and OPA Gatekeeper for comprehensive policy enforcement, security compliance, and workload protection in production clusters.

25 min 4 distros 603 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 662 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 628 views

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