Practical IT guides, cheatsheets, and references from Jeremiah Ellington, drawn from more than 20 years of IT work in public sector and higher education.

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About Jeremiah

Jeremiah Ellington working on network cabling in a server room in 2017
About Jeremiah

Hi, I’m Jeremiah.

I’ve spent more than 20 years in IT: running help desks, managing networks, firewalls, and servers, and leading infrastructure projects for public-sector and university organizations.

Ellington Technologies is where I publish practical IT guides, cheatsheets, and references on backups, cybersecurity, PowerShell, networking, and more. Each one is checked against official documentation before it goes up, and each has a scheduled review date.

Experience

What I’m good at.

20+ Years of Real IT

Networks, servers, help desks, and infrastructure projects in environments where downtime wasn’t an option.

Troubleshooting

Finding the actual cause of a problem, not just the symptom, from a single laptop to an office network.

Infrastructure

Cisco and Fortinet networking, Proxmox and VMware virtualization, Windows and Linux servers, and backups.

Business Systems

Microsoft 365, Snipe-IT asset tracking, Jira help desks, Uptime Kuma monitoring, and automation.

Plain English

Years of help desk work taught me to explain technology clearly, whether you’re a grandparent or a business owner.

Army National Guard Veteran

Nine years with the California Army National Guard. Show up on time, do it right, own the outcome.

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