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
9,661

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

monitoring
5,084

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

hosting
4,108

Install and configure Ollama for local AI models on Linux servers

devops
3,597

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

databases
3,506

Recently published

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
11 hours ago

Integrate Jaeger with Istio service mesh for distributed tracing

devops
1 day ago

Configure Consul Connect service mesh monitoring with distributed tracing

monitoring
1 month ago

Configure Kubernetes RBAC with service accounts and cluster roles for secure access control

devops
1 month ago

Implement Deno microservices architecture with service discovery and load balancing

devops
1 month ago
"key rotation" × Clear all
security Advanced

Implement backup encryption key rotation and secure management with GPG and automated scripts

Build a production-grade backup encryption system with automated GPG key rotation, secure key distribution, and monitoring. Learn to implement enterprise-level key management policies with systemd timers and secure storage practices.

45 min 4 distros 249 views
networking Advanced

Implement OSPF multi-area design with FRRouting and advanced routing policies

Deploy multi-area OSPF networks with FRRouting, configure area types and LSA filtering, implement advanced routing policies with route maps, and integrate BGP redistribution for enterprise network design.

45 min 4 distros 554 views
security Advanced

Configure SSH certificate authentication with CA signing for secure server access

Set up SSH certificate-based authentication using a Certificate Authority to eliminate individual key management. Create signed user certificates that provide secure, scalable access control for multiple servers and users.

45 min 4 distros 403 views
devops Intermediate

Configure Kubernetes secrets management with Sealed Secrets for secure Helm values

Learn to implement Sealed Secrets controller for encrypting Kubernetes secrets in Git repositories, enabling secure GitOps workflows with encrypted Helm values and automated secret management.

45 min 4 distros 539 views
security Intermediate

Setup remote backup storage with S3-compatible encryption and automated retention policies

Configure secure, encrypted backup storage using S3-compatible providers with automated retention policies, client-side GPG encryption, and monitoring scripts for reliable data protection.

45 min 4 distros 855 views

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