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
5,728

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

hosting
2,158

Install and configure Ollama for local AI models on Linux servers

devops
2,046

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

hosting
1,915

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

monitoring
1,758

Recently published

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

monitoring
3 hours ago

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

monitoring
12 hours ago

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

networking
17 hours ago

Configure Istio security policies with external authorization services integration

security
22 hours ago

Implement Docker network security with custom bridge networks and container isolation

security
1 day ago
"access control" × Clear all
security Advanced

Configure auditd with Elasticsearch and Kibana for compliance reporting

Set up comprehensive Linux audit logging with auditd, integrate with Elasticsearch 8 and Kibana 8 for centralized analysis, and create compliance dashboards for PCI DSS, HIPAA, and SOX reporting requirements.

45 min 4 distros 153 views
linux Intermediate

Configure network-attached storage backup with NFS and encryption

Set up an encrypted NFS backup server with automated backup scripts and performance monitoring. Configure LUKS encryption, NFS exports, and centralized backup management for secure enterprise storage.

45 min 4 distros 214 views
networking Intermediate

Configure SNMP v3 authentication and encryption for secure network monitoring

Set up SNMP version 3 with user authentication and data encryption to secure network monitoring communications. This tutorial covers Net-SNMP daemon configuration, security protocols, and monitoring tool integration.

25 min 4 distros 182 views
security Intermediate

Configure Nagios Core 4.5 SSL certificates and security hardening with authentication controls

Secure your Nagios monitoring with SSL certificates, advanced authentication, and comprehensive access controls. This guide covers Let's Encrypt integration, web interface hardening, and security monitoring setup.

45 min 4 distros 161 views
security Intermediate

Configure SELinux mandatory access controls for enhanced security

Set up SELinux on Ubuntu and Debian systems, configure security modes and policies, create custom application rules, and implement comprehensive monitoring for enhanced Linux security hardening.

45 min 4 distros 151 views
databases Advanced

Configure ScyllaDB SSL encryption and authentication with certificate management and security hardening

Secure your ScyllaDB cluster with comprehensive SSL/TLS encryption for client connections and inter-node communication. This tutorial covers certificate generation, authentication setup, and production security hardening.

45 min 4 distros 197 views
security Advanced

Configure SSH certificate authentication with CA signing for secure server access

Set up SSH certificate-based authentication using a Certificate Authority to eliminate individual key management. Create signed user certificates that provide secure, scalable access control for multiple servers and users.

45 min 4 distros 182 views
databases Advanced

Configure Cassandra SSL encryption and authentication with security hardening

Set up comprehensive SSL/TLS encryption for Apache Cassandra with client-to-node and node-to-node security, certificate management, and production-grade authentication hardening.

45 min 4 distros 176 views
security Intermediate

Configure SSH key authentication and security hardening

Replace password authentication with SSH keys and implement comprehensive security hardening including fail2ban, audit logging, and access controls to protect your Linux servers from unauthorized access and brute force attacks.

25 min 4 distros 165 views
security Intermediate

Configure PostgreSQL 17 SSL encryption and advanced security hardening

Set up SSL/TLS encryption, client certificate authentication, and comprehensive security policies for PostgreSQL 17. Includes audit logging, access controls, and firewall configuration for production environments.

45 min 4 distros 269 views
security Intermediate

Implement container security with AppArmor and seccomp profiles

Secure your containers with AppArmor mandatory access controls and seccomp system call filtering. Learn to create custom security profiles, implement runtime policies, and monitor container security violations in production environments.

45 min 4 distros 460 views
networking Intermediate

Setup Tailscale site-to-site VPN with multiple exit nodes for redundancy

Configure a resilient Tailscale mesh VPN with multiple exit nodes for high availability site-to-site connectivity. Set up subnet routing, automatic failover, and monitoring across distributed networks.

45 min 4 distros 479 views

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