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
3,067

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

hosting
1,770

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

hosting
1,581

Install and configure Ollama for local AI models on Linux servers

devops
1,407

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

monitoring
1,285

Recently published

Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3

monitoring
1 hour ago

Implement NGINX Plus active health checks for enterprise environments

hosting
10 hours ago

Setup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

monitoring
15 hours ago

Configure Prometheus alerting with AlertManager notifications and webhook integration

monitoring
20 hours ago

Configure Elasticsearch cross-cluster replication for disaster recovery

databases
1 day ago
"authentication" × Clear all
security Advanced

Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO

Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.

45 min 4 distros 265 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 256 views
databases Intermediate

Configure MongoDB 8.0 replica set with automatic failover for high availability

Set up a MongoDB 8.0 replica set with multiple nodes and automatic failover to ensure high availability and data redundancy. This configuration provides seamless database operations even when primary nodes fail.

45 min 4 distros 199 views
devops Intermediate

Configure Kubernetes External DNS for automatic DNS record management with cloud providers

Set up External DNS controller to automatically create and manage DNS records for your Kubernetes services and ingresses. This tutorial covers installation, cloud provider integration, and security configuration for production-ready DNS automation.

25 min 4 distros 255 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 195 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 241 views
networking Intermediate

Configure Tailscale with Kubernetes cluster networking integration

Set up Tailscale mesh VPN with Kubernetes cluster integration for secure pod-to-pod communication, subnet routing, and service discovery across distributed nodes.

25 min 4 distros 190 views
monitoring Intermediate

Monitor PostgreSQL performance with Prometheus and Grafana dashboards

Set up comprehensive PostgreSQL monitoring using Prometheus PostgreSQL exporter and Grafana dashboards. Configure performance metrics collection, visualization, and alerting for database optimization and troubleshooting.

25 min 4 distros 226 views
databases Intermediate

Implement Redis backup automation with compression and encryption

Set up automated Redis backups with compression and GPG encryption for production environments. Create systemd timers for scheduled backups and implement secure remote storage for Redis data protection.

25 min 4 distros 250 views
monitoring Intermediate

Implement Grafana alerting with Prometheus and InfluxDB for comprehensive monitoring

Set up comprehensive Grafana alerting using both Prometheus metrics and InfluxDB time-series data to monitor your infrastructure from multiple data sources. This tutorial covers configuring data sources, creating alert rules, and setting up notification channels for production monitoring.

45 min 4 distros 226 views
databases Intermediate

Implement MongoDB 8.0 change streams for real-time data processing and application synchronization

Set up MongoDB 8.0 change streams to monitor database changes in real-time. Configure replica sets, implement Python and Node.js clients, and add filtering and resumability for production applications.

45 min 4 distros 314 views
security Intermediate

Configure SSH port forwarding and tunneling for secure connections

Learn to configure SSH port forwarding, remote tunnels, and SOCKS proxy for secure network connections. Set up local, remote, and dynamic port forwarding with automated monitoring and security hardening.

35 min 4 distros 201 views

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