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
9,406

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

hosting
3,609

Install and configure Ollama for local AI models on Linux servers

devops
3,297

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

databases
3,020

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

hosting
2,931

Recently published

Configure Consul Connect service mesh monitoring with distributed tracing

monitoring
3 weeks ago

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

devops
3 weeks ago

Implement Deno microservices architecture with service discovery and load balancing

devops
3 weeks ago

Implement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection

security
3 weeks ago

Configure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana

monitoring
3 weeks ago
"email notifications" × Clear all
monitoring Intermediate

Set up Prometheus Blackbox Exporter for uptime monitoring with SSL and alerting

Configure Prometheus Blackbox Exporter to monitor website availability, SSL certificate expiry, and HTTP response times with comprehensive Grafana dashboards and alert rules.

45 min 4 distros 451 views
monitoring Intermediate

Monitor WireGuard VPN server with Prometheus and Grafana dashboards

Set up comprehensive monitoring for your WireGuard VPN server using Prometheus metrics collection and Grafana visualization. This guide covers installing the WireGuard exporter, configuring alerting rules, and building dashboards to track connection status, bandwidth usage, and peer activity.

25 min 4 distros 424 views
monitoring Intermediate

Configure backup monitoring with Prometheus and Grafana for automated infrastructure oversight

Set up comprehensive backup monitoring using Prometheus exporters and Grafana dashboards. Configure automated alerts for backup failures, track success rates, and visualize backup infrastructure health across multiple systems.

45 min 4 distros 493 views
monitoring Intermediate

Set up NGINX monitoring with Prometheus and Grafana for web server observability

Monitor your NGINX web server performance and health with Prometheus metrics collection and Grafana dashboards. Set up comprehensive observability including request rates, response times, error tracking, and automated alerting for production web servers.

45 min 4 distros 421 views
networking Intermediate

Configure HAProxy multi-site SSL termination with SNI for secure load balancing

Set up HAProxy to handle SSL certificates for multiple domains using Server Name Indication (SNI), enabling secure HTTPS traffic termination and load balancing across different backend services.

45 min 4 distros 574 views
monitoring Intermediate

Monitor MongoDB 8.0 performance with Prometheus and Grafana for real-time metrics and alerting

Set up comprehensive MongoDB performance monitoring using Prometheus metrics collection and Grafana dashboards with alerting rules for database health, connection pools, and query performance.

45 min 4 distros 417 views
monitoring Intermediate

Configure Prometheus Alertmanager with email notifications for production monitoring

Set up Prometheus Alertmanager to send email notifications when your systems trigger alerts. This tutorial covers SMTP configuration, alert routing rules, and email template customization for production monitoring workflows.

35 min 4 distros 399 views
linux Advanced

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

Resolve apt update errors when repositories lose Release files due to expired GPG keys, discontinued repos, or corrupted package manager state. Includes diagnostics, recovery methods, and prevention strategies.

25 min 7 distros 897 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 432 views
security Intermediate

Configure intrusion detection with OSSEC and Wazuh for real-time security monitoring

Set up comprehensive host-based intrusion detection with OSSEC HIDS and Wazuh manager for real-time security monitoring, file integrity checking, and automated threat response across your infrastructure.

45 min 4 distros 492 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 525 views
monitoring Advanced

Install and configure Graylog 5 for centralized log management with MongoDB and Elasticsearch

Set up Graylog 5 with MongoDB 8.0 and Elasticsearch 8 for centralized log collection, analysis, and alerting. Learn to configure secure inputs, data streams, and monitoring for production environments.

45 min 4 distros 527 views

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