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
10,622

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

monitoring
6,476

Fix apt update E: Repository no longer has a Release file

linux
5,969

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

hosting
5,550

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

databases
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Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
1 week ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 week ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
2 weeks ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 weeks ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 weeks ago
"SNMP" × Clear all
monitoring Intermediate

Configure Tailscale monitoring with Prometheus and Grafana dashboards

Set up comprehensive monitoring for your Tailscale mesh VPN network using Prometheus metrics collection and Grafana dashboards to track node connectivity, traffic patterns, and performance across your distributed infrastructure.

45 min 4 distros 1,549 views
networking Advanced

Set up Linux network traffic shaping with tc and QoS for bandwidth management

Learn how to implement advanced network traffic control on Linux using tc (traffic control) and HTB (Hierarchical Token Bucket) queueing disciplines. This tutorial covers bandwidth limiting, QoS policies, and traffic prioritization for optimal network performance.

45 min 4 distros 1,344 views
networking Advanced

Implement network monitoring with SNMP and BGP metrics using FRRouting and Prometheus

Set up comprehensive network monitoring with SNMP daemon, FRRouting BGP metrics, and Prometheus collection for real-time infrastructure visibility and alerting.

45 min 4 distros 912 views
monitoring Intermediate

Set up Zabbix proxy for distributed network monitoring

Configure Zabbix proxy servers to distribute monitoring load across multiple network segments, reduce server load, and monitor remote locations through secure proxy connections.

45 min 4 distros 1,625 views
monitoring Intermediate

Set up Zabbix 7 distributed monitoring with proxy servers for scalable infrastructure oversight

Configure Zabbix proxy servers to distribute monitoring loads across multiple network segments with encrypted communication, automated discovery, and centralized management for enterprise-scale infrastructure monitoring.

45 min 4 distros 1,556 views
monitoring Intermediate

Implement SNMP trap monitoring and alerting system for proactive network management

Set up comprehensive SNMP trap monitoring with snmptrapd, automated alerting via email and webhooks, and integration with monitoring platforms like Nagios and Zabbix for proactive network management and real-time issue detection.

45 min 4 distros 1,283 views
monitoring Advanced

Integrate Zabbix 7 with network automation and orchestration tools using Ansible and Python APIs

Build comprehensive network automation workflows by integrating Zabbix 7 monitoring with Ansible playbooks and custom Python scripts. This tutorial covers API authentication, automated host provisioning, and dynamic monitoring configuration for enterprise infrastructure management.

45 min 4 distros 1,163 views
monitoring Intermediate

Set up network monitoring with Nagios Core 4.5 and SNMP for infrastructure alerting

Configure Nagios Core 4.5 with SNMP monitoring to track network devices, servers, and services with automated alerting. Set up custom monitoring templates, notification systems, and dashboards for comprehensive infrastructure visibility.

45 min 4 distros 1,489 views
networking Advanced

Set up Open vSwitch 3.3 for advanced virtual machine networking with VLAN and bridge configuration

Configure Open vSwitch 3.3 to create isolated virtual networks for VMs with VLAN tagging, bridge management, and advanced traffic control. Essential for virtualization environments requiring network segmentation and high-performance VM networking.

45 min 4 distros 1,267 views
networking Advanced

Set up automated network topology discovery with SNMP and LLDP for infrastructure mapping

Build an automated network discovery system that uses SNMP and LLDP protocols to map your infrastructure topology, detect device relationships, and create visual network diagrams with real-time monitoring integration.

45 min 4 distros 1,689 views
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 1,518 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 2,083 views

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