Zero-Trust DNS Infrastructure: Unbound & Pi-hole with DoH and DNSSEC
A technical guide on setting up a sovereign Zero-Trust DNS infrastructure using Pi-hole and Unbound with DNSSEC validation and query minimization.
Tutorials
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IEEE 802.1X RADIUS Authentication on UniFi Switches
A technical step-by-step guide on deploying IEEE 802.1X RADIUS authentication and dynamic VLAN assignment on Ubiquiti UniFi switches for enterprise LAN security.
Multi-WAN Failover & Policy-Based Routing in UniFi
A technical guide on configuring automated Multi-WAN Failover and Policy-Based Routing in Ubiquiti UniFi to prevent connection drops and segment traffic across broadband links.
Tutorial: Managing Disk Space: Finding Largest Files via SSH on Ubuntu/Debian
Effective server maintenance requires regular monitoring of disk space usage. When a disk partition nears capacity, identifying the largest files is the most efficient way to reclaim space. The following guide details two methods for locating large files on Ubuntu and Debian systems using the command line. Method 1: Using the find Command The find […]
