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
10,008

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

monitoring
5,777

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

hosting
4,787

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

databases
4,235

Install and configure Ollama for local AI models on Linux servers

devops
4,154

Recently published

Implement Istio multi-cluster canary deployments and traffic splitting

devops
1 day ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
3 days ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
2 weeks ago

Configure HAProxy with Consul for dynamic service discovery

networking
2 weeks ago
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monitoring Intermediate

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

Learn to install and configure custom vendor MIB files for specialized network device monitoring using both SNMP v2c and v3 protocols with authentication and encryption.

45 min 4 distros 714 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 1,030 views
networking Intermediate

Configure WireGuard VPN with DNS filtering and ad blocking using Pi-hole and Unbound

Set up a secure WireGuard VPN server with integrated Pi-hole DNS filtering and Unbound recursive resolver for ad blocking and privacy protection. This configuration provides secure remote access while filtering malicious domains and advertisements.

45 min 4 distros 1,516 views
performance Intermediate

Implement Varnish cache warming with automated content preloading for high-performance websites

Set up automated Varnish cache warming with priority URL preloading, systemd timers for scheduled content refreshing, and comprehensive monitoring to optimize cache hit rates and reduce backend server load for high-traffic websites.

35 min 4 distros 1,153 views
monitoring Intermediate

Integrate SNMP monitoring with InfluxDB and Telegraf for time-series analysis

Learn to set up a comprehensive SNMP monitoring solution using InfluxDB 2.7 for time-series storage and Telegraf for data collection. Configure monitoring for network devices, system metrics, and create visualization dashboards with Grafana.

45 min 4 distros 1,472 views
networking Intermediate

Configure Tailscale mesh VPN with subnet routing and ACL policies for secure network access

Set up a zero-trust mesh VPN network with Tailscale that includes subnet routing for local network access, granular ACL policies for security, and exit nodes for secure internet access.

25 min 6 distros 2,686 views
devops Intermediate

Install and configure Ollama for local AI models on Linux servers

Set up Ollama to run large language models locally on your Linux server. This tutorial covers installation, GPU acceleration, model deployment, API configuration, and performance optimization.

25 min 6 distros 4,154 views

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