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 Ollama for local AI models on Linux servers

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

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Recently published

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

monitoring
4 hours ago

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

monitoring
13 hours ago

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

networking
18 hours ago

Configure Istio security policies with external authorization services integration

security
23 hours ago

Implement Docker network security with custom bridge networks and container isolation

security
1 day ago
"SNMP" × Clear all
networking Advanced

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

Deploy multi-area OSPF networks with FRRouting, configure area types and LSA filtering, implement advanced routing policies with route maps, and integrate BGP redistribution for enterprise network design.

45 min 4 distros 38 views
monitoring Intermediate

Configure Prometheus Alertmanager with Slack integration for team notifications

Set up Prometheus Alertmanager to route alerts to Slack channels with custom notification rules. Configure alerting rules, webhook integration, and team-based routing for production monitoring workflows.

25 min 4 distros 141 views
monitoring Advanced

Configure advanced SNMP alerting with Prometheus Alertmanager for network monitoring

Set up comprehensive SNMP monitoring with Prometheus exporters and create intelligent alerting rules in Alertmanager to proactively monitor network devices, interfaces, and performance metrics.

45 min 4 distros 101 views
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 100 views
monitoring Intermediate

Configure advanced network monitoring with SmokePing for detailed latency analysis

Set up SmokePing for detailed network latency monitoring with visual graphs, multi-target analysis, and advanced alerting. Perfect for tracking network performance trends and identifying connectivity issues across multiple hosts.

45 min 4 distros 146 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
monitoring Intermediate

Set up Nagios Core 4.5 distributed monitoring with NRPE for remote host checks

Configure Nagios Core server with NRPE agents for distributed monitoring across multiple servers. Set up remote host checks, service monitoring, and centralized alerting for comprehensive infrastructure oversight.

45 min 4 distros 184 views
networking Advanced

Monitor OSPF network topology with Prometheus and Grafana dashboards

Set up comprehensive OSPF network monitoring using FRRouting, Prometheus SNMP exporter, and Grafana dashboards to track network topology changes, LSA states, and routing convergence in real-time.

45 min 4 distros 311 views
networking Advanced

Configure FRRouting route maps and prefix lists for advanced routing policies

Set up FRRouting with route maps and prefix lists to control BGP route advertisement, implement traffic engineering, and create sophisticated routing policies for enterprise networks.

45 min 4 distros 345 views
networking Intermediate

Install and configure ntopng for comprehensive network monitoring with traffic analysis and real-time dashboards

Set up ntopng to monitor network traffic in real-time with detailed analytics, bandwidth monitoring, and customizable dashboards. Learn to configure interface monitoring, traffic analysis rules, and alerting for complete network visibility.

45 min 4 distros 227 views
security Intermediate

Configure OSSEC vulnerability detection with CVE scanning and automated security alerts

Set up OSSEC Host Intrusion Detection System with vulnerability scanning capabilities, CVE database integration, and automated alerting for comprehensive security monitoring across your infrastructure.

25 min 4 distros 148 views

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