Homelab IT Infrastructure & IT Technical Blog

Practical IT Infrastructure Notes and Guides From the Lab and the Admin Console

Hands-on writeups covering homelab IT infrastructure, Linux servers, Windows, Microsoft 365, networking, firewalls, VLANs, Power BI, monitoring, security hardening, and real-world troubleshooting.

About This Site

Built Around Practical IT Work

This site documents what I build, what breaks, how I fix it, and what I learn along the way. The goal is clear technical notes that other IT people, sysadmins, and homelab builders can follow without marketing fluff.

Topics

Topics I Write About

01

Homelab Infrastructure

Virtualization, storage, backups, internal services, and lab design.

02

Linux Servers

Services, SSH, permissions, logs, scripting, updates, and troubleshooting.

03

Windows & Microsoft 365

Identity, email, endpoints, tenant settings, permissions, and admin notes.

04

Networking

Switching, routing, DNS, DHCP, segmentation, firewalls, and VLANs.

05

Power BI & Reporting

Dashboards, Power Query, DAX notes, data models, and operational reporting.

06

Monitoring & Security

Alerts, logs, visibility, hardening, access control, and safer defaults.

Latest Notes

Recent Technical Writeups

New posts from the homelab, admin console, and troubleshooting queue.

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Contact

Have a question or want to compare notes?

Email is the best way to reach me. Send a note if you have a question about a post, found something that should be corrected, or want to compare notes on homelab infrastructure, networking, Microsoft 365, reporting, monitoring, security, or troubleshooting.

Email contact@zachkoenig.com

Helpful details include the system, tool, error message, expected result, and what you have already tried.