situA notebook for the curious.

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Practical notes on software, infrastructure, operations, identity, AI, and technology in production.

ai

You Cannot Review AI Work Line by Line

At 21.4 billion tokens in one week, I cannot inspect every AI output manually. Review has to be built into the workflow, with human judgment focused where it matters.

5 min read
cloud

Restarting Mycelium

I finally have time to return to Mycelium, revisit the thinking behind the original idea, and rebuild its architecture model with more care.

4 min read
ai

Tickety: An AI Sidekick for ITSM

An old friend asked for an AI sidekick for ITSM. A morning prototype turned into an open-source project, with a live demo now online.

6 min read
m365

What a Tenant Migration Actually Looks Like

Not the architecture slide. The part where the migration tool goes down at 11pm and you're alone, holding the AD cutover together with PowerShell and a checklist.

8 min read
identity

Azure AD in the Real World

Identity is the new perimeter, but most organisations still treat it like an afterthought. Practical Azure AD patterns from the trenches.

4 min read
virtualization

Why I Still Run Hyper-V in 2019

Everyone's talking about cloud, but on-prem virtualization isn't dead. Here's where Hyper-V still makes sense.

3 min read
backup-dr

Backup Is Not Disaster Recovery

Most organisations confuse backup with DR. They're different problems with different solutions. Here's how I think about both.

4 min read

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