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
10,560

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

monitoring
6,407

Fix apt update E: Repository no longer has a Release file

linux
5,645

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

hosting
5,468

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

databases
4,982

Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
5 days ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 week ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
1 week ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 weeks ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 weeks ago
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monitoring Advanced

Setup Jaeger sampling strategies for high-volume production tracing

Configure advanced Jaeger sampling strategies to efficiently capture traces in high-traffic production environments while controlling storage costs and maintaining observability.

45 min 4 distros 969 views
devops Advanced

Setup ArgoCD ApplicationSets for multi-environment GitOps workflows with automated deployment pipelines

Configure ArgoCD ApplicationSets to automate deployments across multiple environments using GitOps patterns. Learn to create templates, generators, and automated promotion workflows for production-grade Kubernetes deployments.

45 min 4 distros 929 views
devops Intermediate

Configure ArgoCD Image Updater for automated container deployments

Set up ArgoCD Image Updater to automatically detect and deploy new container image versions in your GitOps workflow. Includes Git repository integration, webhook configuration, and monitoring setup.

25 min 4 distros 819 views
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 694 views
monitoring Intermediate

Setup Node.js error tracking with Sentry for production monitoring and debugging

Configure Sentry error tracking for Node.js applications with PM2 process management, automated error reporting, and production-ready alerting to catch and debug issues before they affect users.

25 min 4 distros 880 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 1,047 views
security Advanced

Configure Istio security policies with external authorization services integration

Set up comprehensive Istio security policies with external authorization services, JWT validation, and RBAC integration for enterprise-grade service mesh security and compliance.

45 min 4 distros 833 views
security Intermediate

Implement Docker network security with custom bridge networks and container isolation

Secure your Docker deployments by creating isolated custom bridge networks, implementing container segmentation, and configuring network access controls to prevent unauthorized communication between containers.

25 min 4 distros 866 views
security Intermediate

Implement Network Time Security (NTS) for encrypted time synchronization with chrony

Set up Network Time Security (NTS) with chrony to provide cryptographically authenticated and encrypted time synchronization, protecting against time-based attacks and ensuring secure clock synchronization across your infrastructure.

25 min 4 distros 1,119 views
security Advanced

Set up container runtime security with Falco and Sysdig for threat detection

Configure Falco for runtime security monitoring and Sysdig Agent for container visibility to detect threats in Kubernetes environments. Implement behavioral analysis, custom security rules, and threat detection policies for production container workloads.

45 min 4 distros 822 views
monitoring Intermediate

Configure NTP monitoring with Grafana dashboards and Prometheus alerting

Set up comprehensive time synchronization monitoring using chrony, Prometheus node exporter, and custom Grafana dashboards with alerting for time drift and NTP service failures.

25 min 4 distros 1,140 views
monitoring Advanced

Configure advanced Jaeger sampling strategies for high-traffic environments

Configure probabilistic, adaptive, and remote sampling strategies for Jaeger distributed tracing to optimize performance and storage costs in high-throughput production environments while maintaining observability.

45 min 4 distros 765 views

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