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
9,892

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

monitoring
5,564

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

hosting
4,596

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

databases
4,004

Install and configure Ollama for local AI models on Linux servers

devops
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Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
5 days ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking
1 week ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
2 weeks ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
2 weeks ago
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security Advanced

Configure SELinux policies for web applications and databases with custom rules and security hardening

Learn how to implement mandatory access controls with SELinux for web servers and databases. Configure custom security contexts, create application-specific policies, and harden your infrastructure with advanced SELinux rules.

45 min 4 distros 792 views
databases Intermediate

Configure Redis 7 Lua scripting and modules for advanced data processing

Enable and optimize Redis 7 Lua scripting capabilities, install custom modules, and implement advanced data processing scripts with performance monitoring for high-throughput applications.

45 min 4 distros 930 views
networking Advanced

Set up Open vSwitch 3.3 for advanced virtual machine networking with VLAN and bridge configuration

Configure Open vSwitch 3.3 to create isolated virtual networks for VMs with VLAN tagging, bridge management, and advanced traffic control. Essential for virtualization environments requiring network segmentation and high-performance VM networking.

45 min 4 distros 770 views
security Intermediate

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

Configure a production-grade web application firewall using NGINX with ModSecurity 3 and OWASP Core Rule Set. Includes logging, monitoring, and fail2ban integration for comprehensive threat protection.

45 min 4 distros 974 views
hosting Advanced

Configure NGINX reverse proxy with advanced caching and load balancing

Set up NGINX as a high-performance reverse proxy with Redis-backed caching, multiple load balancing algorithms, SSL termination, and comprehensive monitoring for production environments.

45 min 4 distros 896 views
security Intermediate

Implement network security with iptables connection tracking and stateful packet filtering

Configure iptables with connection tracking modules to implement stateful packet filtering, advanced NAT rules, and comprehensive network security monitoring. Build robust firewall rules that track connection states and provide granular control over network traffic.

45 min 4 distros 1,091 views
security Intermediate

Implement Apache web application firewall with ModSecurity 3 and OWASP Core Rule Set

Deploy ModSecurity 3 as an Apache module with OWASP Core Rule Set to protect web applications from common attacks. Configure real-time logging, custom rules, and automated threat detection for production environments.

45 min 4 distros 1,311 views
devops Intermediate

Configure Ansible dynamic inventory for AWS, Azure, and GCP with automated discovery

Set up Ansible dynamic inventory plugins for AWS EC2, Azure, and Google Cloud Platform to automatically discover and manage cloud resources. This tutorial covers authentication, filtering, and unified inventory management across multiple cloud providers.

45 min 4 distros 731 views
networking Advanced

Set up nftables IPv6 NAT and dual-stack networking with firewall rules and traffic forwarding

Configure nftables with IPv6 NAT masquerading, dual-stack IPv4/IPv6 forwarding, and comprehensive firewall rules for secure network routing and traffic management on modern Linux systems.

45 min 4 distros 1,854 views
security Intermediate

Implement HAProxy rate limiting and DDoS protection with advanced security rules

Configure HAProxy with comprehensive rate limiting, connection throttling, and DDoS protection using stick tables, ACLs, and advanced security rules to protect your applications from malicious traffic and ensure service availability.

45 min 4 distros 1,393 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 864 views
databases Intermediate

Configure Deno database connections to PostgreSQL and Redis with connection pooling

Set up production-ready database connections in Deno applications with PostgreSQL and Redis, including SSL configuration, connection pooling, authentication, and comprehensive error handling for high-performance TypeScript applications.

45 min 4 distros 819 views

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