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
5,710

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

hosting
2,152

Install and configure Ollama for local AI models on Linux servers

devops
2,042

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
1,913

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

monitoring
1,755

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

monitoring
1 godzina temu

Implement Node.js application monitoring with Prometheus metrics and Grafana dashboards

monitoring
10 godzin temu

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

networking
15 godzin temu

Configure Istio security policies with external authorization services integration

security
20 godzin temu

Implement Docker network security with custom bridge networks and container isolation

security
1 dzień temu
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devops Advanced

Configure Kubernetes network policies with Calico CNI for microsegmentation and security enforcement

Learn to implement advanced network security in Kubernetes using Calico CNI. Configure namespace-based microsegmentation, application-level policies, and comprehensive monitoring for enterprise-grade cluster protection.

45 min 4 distros 473 views
security Advanced

Implement Jaeger security with TLS encryption and authentication for distributed tracing

Secure your Jaeger distributed tracing infrastructure with TLS encryption, JWT-based authentication, and RBAC policies. This tutorial covers certificate generation, collector/query service encryption, and UI authentication through reverse proxy integration.

45 min 4 distros 521 views
devops Advanced

Implement Kubernetes Pod Security Standards and admission controllers for policy enforcement

Configure Pod Security Standards with baseline and restricted profiles, deploy OPA Gatekeeper admission controller with custom policies, and implement ValidatingAdmissionWebhooks for comprehensive security enforcement in production Kubernetes clusters.

45 min 4 distros 651 views
monitoring Intermediate

Configure OpenTelemetry sampling strategies for high-traffic applications

Learn how to implement probabilistic, deterministic, and adaptive sampling strategies in OpenTelemetry to optimize distributed tracing performance and reduce storage costs in high-traffic production environments.

25 min 4 distros 464 views
devops Intermediate

Configure ArgoCD notifications for Slack and Microsoft Teams with webhook integration

Set up ArgoCD notification controller to send application deployment alerts and sync status updates to Slack channels and Microsoft Teams. Configure webhook integrations with custom templates and triggers for production GitOps workflows.

25 min 4 distros 481 views
security Advanced

Configure advanced iptables rules for bridge network security and container isolation

Implement comprehensive bridge network security using advanced iptables rules to isolate containers, control traffic flow, and prevent lateral movement in virtualized environments.

45 min 4 distros 716 views
devops Advanced

Integrate Nexus Repository with Kubernetes and Docker registry authentication

Set up Nexus Repository Manager as a private Docker registry integrated with Kubernetes clusters, configure secure authentication and authorization, and enable automated container image deployment with RBAC controls.

45 min 4 distros 784 views
devops Advanced

Implement Kubernetes network policies with Calico CNI and OPA Gatekeeper for security enforcement

Secure your Kubernetes cluster with Calico CNI network policies and OPA Gatekeeper admission control. This tutorial shows you how to implement pod isolation, policy enforcement, and admission validation for production-grade security.

45 min 4 distros 530 views
hosting Intermediate

Deploy Django application with Gunicorn and PostgreSQL database migrations

Learn how to deploy a production-ready Django application with Gunicorn WSGI server, PostgreSQL database, and automated database migrations on Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.

35 min 4 distros 777 views
linux Beginner

Configure Linux user and group management with useradd, usermod and advanced account security

Learn to manage Linux users and groups with useradd, usermod, and groupadd commands. This tutorial covers creating accounts, setting permissions, configuring password policies, and implementing security best practices for production systems.

25 min 6 distros 690 views
hosting Beginner

Install and configure Node.js web applications with PM2 and reverse proxy

Deploy production-ready Node.js applications using PM2 process manager and Nginx reverse proxy with SSL certificates, automatic startup, and comprehensive monitoring for high-availability web hosting.

25 min 6 distros 1,241 views
linux Beginner

Configure Linux environment variables and PATH management for development workflows

Learn how to properly configure Linux environment variables and manage your PATH for development workflows. This guide covers temporary and persistent variables, user vs system-wide configuration, and troubleshooting common issues across Ubuntu, Debian, AlmaLinux, Rocky Linux, and Fedora.

20 min 6 distros 652 views

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