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
9,940

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

monitoring
5,675

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

hosting
4,710

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

databases
4,132

Install and configure Ollama for local AI models on Linux servers

devops
4,085

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
"firewall rules" × Clear all
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 732 views
security Advanced

Integrate WireGuard VPN server with LDAP authentication for enterprise user management

Configure WireGuard VPN server to authenticate users against LDAP directory services like Active Directory. Automate client certificate management and implement centralized user access control for enterprise environments.

45 min 4 distros 692 views
databases Advanced

Configure Elasticsearch 8 cross-cluster replication for disaster recovery

Set up cross-cluster replication between Elasticsearch 8 clusters to ensure data resilience and business continuity. This advanced configuration creates automatic data synchronization across geographically distributed clusters for disaster recovery scenarios.

45 min 4 distros 714 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 699 views
devops Advanced

Set up Consul multi-datacenter replication with ACL token replication

Configure Consul WAN federation across multiple datacenters with secure ACL token replication. Enable automatic token synchronization, gossip encryption, and cross-datacenter service discovery for distributed infrastructure.

45 min 4 distros 549 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 690 views
security Intermediate

Configure Zabbix 7 with SSL certificates and database encryption

Secure your Zabbix 7 monitoring infrastructure with SSL certificates for the web interface, encrypted database connections, and TLS-protected agent communication. Essential for production monitoring environments.

45 min 4 distros 949 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 1,088 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 724 views
security Advanced

Implement Podman pod security with network policies and microsegmentation

Secure Podman pods with custom network policies, traffic filtering, and microsegmentation using CNI plugins and netavark. Implement zero-trust networking with firewall rules and container isolation.

45 min 4 distros 602 views
devops Advanced

Configure Apache Airflow high availability with CeleryExecutor and Redis clustering for production deployments

Set up Apache Airflow with CeleryExecutor and Redis clustering for high availability production deployments. Configure multiple workers, load balancing, monitoring, and automated failover to handle enterprise-scale workflow orchestration with zero downtime.

45 min 4 distros 921 views
networking Advanced

Configure advanced gRPC load balancing with Envoy Proxy health checks and circuit breakers

Set up Envoy Proxy with intelligent gRPC load balancing, health checks, and circuit breakers for production microservices. Includes SSL termination, monitoring integration, and security hardening.

45 min 4 distros 665 views

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