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
3,426

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

hosting
1,814

Install and configure Ollama for local AI models on Linux servers

devops
1,674

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

hosting
1,611

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

monitoring
1,487

Recently published

Implement Nginx SSL certificate automation with Let's Encrypt using Certbot

security
5 hours ago

Set up centralized logging with Winston and Elasticsearch for Node.js applications

monitoring
10 hours ago

Configure GitLab backup automation with GPG encryption

devops
15 hours ago

Configure Node.js SSL certificates and HTTPS security hardening for production servers

security
20 hours ago

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

monitoring
1 day ago
"alerting" × Clear all
hosting Beginner

Fix systemd service keeps restarting in a loop

Stop systemd services from continuously restarting by identifying restart loop causes, debugging configuration issues, and implementing proper service constraints to ensure stable operation.

25 min 6 distros 462 views
hosting Beginner

Fix Apache web server high memory usage and optimize performance

Diagnose Apache memory issues and optimize MPM modules, worker processes, and configuration to reduce RAM usage and improve web server performance.

25 min 6 distros 312 views
hosting Beginner

Fix high load average with low CPU usage on web servers

Diagnose and resolve high load average issues when CPU usage remains low on Linux web servers. Learn to identify I/O bottlenecks, blocked processes, and system resource contention affecting performance.

25 min 6 distros 414 views
linux Advanced

Configure Linux memory cgroups v2 with systemd for advanced process isolation and resource control

Set up cgroups v2 unified hierarchy with systemd to implement memory limits, isolation policies, and automated pressure responses for container workloads and system processes.

25 min 6 distros 621 views
linux Beginner

Configure Linux process monitoring with top, htop, and btop for system performance analysis

Master Linux process monitoring using top, htop, and btop to analyze system performance, identify resource bottlenecks, and troubleshoot performance issues in production environments.

25 min 6 distros 296 views
security Advanced

Set up Grafana Enterprise SSO authentication with LDAP, SAML, and OAuth2 integration

Configure Grafana Enterprise with comprehensive single sign-on authentication supporting LDAP, SAML, and OAuth2 providers. Set up role-based access control with automated team mapping and user provisioning for enterprise environments.

45 min 4 distros 262 views
monitoring Intermediate

Set up ELK stack alerting with Watcher and email notifications for monitoring and incident response

Configure Elasticsearch Watcher to monitor log data and automatically send email alerts when critical system events occur. Create sophisticated alert conditions, manage email notification templates, and set up automated incident response workflows.

45 min 4 distros 193 views
devops Advanced

Integrate Jaeger with Kubernetes service mesh for comprehensive distributed tracing

Set up production-grade distributed tracing in Kubernetes using Jaeger with Istio service mesh integration. Configure OpenTelemetry instrumentation, Elasticsearch storage backend, and comprehensive observability for microservices.

45 min 4 distros 228 views
linux Intermediate

Implement Linux resource quotas with systemd and automated enforcement

Configure systemd resource control and cgroups v2 to implement CPU, memory, and I/O quotas with automated enforcement. Set up monitoring and alerts for resource violations across production workloads.

45 min 4 distros 423 views
security Intermediate

Implement container security monitoring with Falco runtime detection

Set up Falco for real-time container security monitoring with runtime threat detection, Kubernetes integration, and automated alerting through Grafana dashboards.

45 min 4 distros 224 views
monitoring Intermediate

Monitor Django applications with Prometheus and Grafana for comprehensive performance insights

Set up comprehensive Django application monitoring using Prometheus metrics collection and Grafana dashboards. Configure django-prometheus middleware to track request metrics, database queries, and application performance with real-time alerting.

45 min 4 distros 323 views
linux Intermediate

Configure Linux user session limits with systemd and pam_limits for resource management

Learn to set up comprehensive user session resource limits using both traditional pam_limits.conf and modern systemd user slices. This tutorial covers memory, CPU, and process limits to prevent resource exhaustion on multi-user systems.

25 min 4 distros 199 views

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