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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Configure Linux system time synchronization with chrony and NTP hardening

linux
889

Set up Node.js application security with Helmet and rate limiting

security
757

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

hosting
752

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

hosting
744

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
727

Recently published

Monitor system time drift with Prometheus and Grafana alerts

monitoring
7 seconds ago

Set up Cassandra backup automation with nodetool

databases
4 hours ago

Configure OSSEC vulnerability detection with CVE scanning and automated security alerts

security
4 hours ago

Monitor Apache Cassandra cluster with Prometheus and Grafana dashboards

monitoring
4 hours ago

Integrate OSSEC with Splunk for centralized security monitoring and log analysis

security
4 hours ago
"network-discovery" × Clear all
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 83 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 242 views

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