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

hosting
2,155

Install and configure Ollama for local AI models on Linux servers

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

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

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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
11 hours ago

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

networking
16 hours ago

Configure Istio security policies with external authorization services integration

security
21 hours ago

Implement Docker network security with custom bridge networks and container isolation

security
1 day ago
"network-monitoring" × Clear all
monitoring Intermediate

Configure Nagios SNMP monitoring for network devices with automated discovery and templates

Set up comprehensive SNMP monitoring in Nagios Core with automated network device discovery, custom templates for switches and routers, and real-time alerting for network infrastructure monitoring.

45 min 4 distros 446 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 535 views
networking Intermediate

Implement SNMP device auto-discovery with network scanning and automated inventory management

Set up automated SNMP device discovery using nmap network scanning and Python scripts for dynamic inventory management. Integrate with Zabbix and Grafana for comprehensive network monitoring and visualization.

45 min 4 distros 734 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 809 views
devops Advanced

Configure Kubernetes network policies with Calico CNI for microsegmentation and security enforcement

Learn to implement advanced network security in Kubernetes using Calico CNI. Configure namespace-based microsegmentation, application-level policies, and comprehensive monitoring for enterprise-grade cluster protection.

45 min 4 distros 474 views
networking Advanced

Configure advanced iptables QoS with DSCP marking and traffic classification

Set up Quality of Service (QoS) on Linux servers using iptables DSCP marking, HTB queuing, and traffic classification. This tutorial shows you how to prioritize network traffic, implement bandwidth limits, and ensure critical applications get the network resources they need for optimal performance.

35 min 4 distros 506 views
networking Advanced

Configure OSPF with FRRouting 10 for dynamic routing protocols and network failover

Set up OSPF dynamic routing with FRRouting 10 for automatic network failover and route redistribution. Configure area authentication, routing policies, and monitoring for enterprise network resilience.

45 min 4 distros 552 views
monitoring Intermediate

Monitor Linux system resources with performance alerts and automated responses

Set up comprehensive Linux system monitoring with Prometheus, Node Exporter, and Alertmanager to track CPU, memory, and disk usage with automated alerts and response scripts for proactive system management.

45 min 4 distros 587 views
security Intermediate

Configure Linux audit logging for security compliance and monitoring

Set up comprehensive audit logging with auditd daemon to track file system changes, process execution, and network connections for security compliance and forensic analysis.

35 min 4 distros 637 views
networking Beginner

Configure network interface monitoring with ICMP ping and connectivity testing

Set up automated network connectivity monitoring using ICMP ping tests with email alerts for interface failures. Create comprehensive network health checks and reporting for production systems.

45 min 6 distros 967 views
networking Intermediate

Configure network traffic shaping with tc and HTB for bandwidth management and QoS

Set up hierarchical token bucket (HTB) traffic shaping with tc to control bandwidth allocation, prioritize network traffic, and implement quality of service policies for optimal network performance.

45 min 6 distros 930 views
networking Advanced

Configure network interface bonding with LACP and failover for enterprise networking

Set up LACP bonding for high-availability network interfaces with automatic failover. Configure both Linux bonding drivers and switch-side LACP for enterprise network redundancy and increased bandwidth.

45 min 6 distros 937 views

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