Scott Diemer
Archive

The Technical Journal

A running history of my hands-on enterprise troubleshooting labs, system configurations, and deep-dives.

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System Administatrion

Systems Administration Journal: Windows Server 2022 & Windows 11 Enterprise Lab Integration

A hands-on guide resolving modern user-space software installation loopholes (Firefox AppData) by joining a Windows 11 Enterprise VM to a Windows Server 2022 domain controller, organizing the Active Directory OU structure, and enforcing kernel-level block policies using AppLocker.

July 15, 2026
Systems Administration

IT Lab Journal: Automated SSH Deployment & Windows AD Configuration

Successfully resolved deployment pathing issues to launch the Next.js portfolio server via SSH and added core AD roles/users to Windows Server, while troubleshooting ongoing installation blockers with the Windows Desktop Client.

July 14, 2026
learning-journal

Portfolio Journal: Demystifying the Network Layer & Subnetting

Completed the Network Layer and Subnetting modules in the Grow with Google IT Support course, covering IPv4 encapsulation, ARP, binary math, and CIDR notation, and earned 100% on both practice assessments.

July 13, 2026
Learning Journal

Progress Report: Demystifying the Network Layer

A focused study session on Layer 3 of the OSI model, diving into IPv4 structuring, datagram encapsulation, ARP mechanisms, and an introduction to subnetting.

July 9, 2026
System Administration

Building an Active Directory Domain Controller and Mock Help Desk Environment

Configured a Windows Server 2022 virtual machine in KVM to establish an Active Directory Domain Controller baseline, implemented static network routing, resolved host-to-guest clipboard isolation, and provisioned a structured mock help desk directory.

July 8, 2026
IT Support Certification

Learning Journal: Diving into the Architecture of Networking

An overview of the fundamental components of computer networking covered in Module 1, focusing on the TCP/IP five-layer model, physical infrastructure including twisted-pair and fiber-optic cabling, and the behavioral evolution from hubs to switches and routers.

July 7, 2026
Networking

Glossary of Networking Terms - Course 2 Module 1

Glossary of Common Networking Terms

July 7, 2026
Learning Path

Diving into Networking and Homepage UI Refinements

Started Course 2 of the Google IT Support Certificate focusing on the TCP/IP model, while pushing new terminal animations, milestone links, and navigation fixes to the homepage.

July 6, 2026
Learning Path

Upgrades, Configurations, and Completing IT Fundamentals

A productive sprint upgrading my Ubuntu server, refining my Neovim environment, fixing Next.js markdown rendering, and completing the first course of the Google IT Support Professional Certificate.

July 3, 2026
System Administration

Automating Deployments, Restoring GitHub SSH Access, and System Administration Training

Troubleshooting a custom deployment bash script, resolving sudden git authentication failures caused by inactive SSH key pruning, and advancing through core IT infrastructure and software modules.

July 2, 2026
Software

Glossary of Software Terms

Glossary of Common Software Terms

July 1, 2026
Networking

Glossary of Networking Terms

Glossary of Common Networking Terms

June 30, 2026
Fundamentals

Technical Review & Completing OS Fundamentals

Completed the OS Fundamentals module, passing an interactive architectural review on kernel mechanics and provisioning live Windows and Linux virtual machines via Qwiklabs.

June 29, 2026
System Administration

Building and Deploying a Decoupled Next.js Technical Portfolio via Nginx and SSH

An end-to-end breakdown of engineering a Markdown-driven portfolio, optimizing state-managed client routing, isolating content via JSON, and resolving enterprise web-server directory traversal constraints.

June 26, 2026
Fundamentals

Fundamentals Glossary

Glossary of Common Terms

June 25, 2026