“It Worked Yesterday” Analyzer
Answer a few questions. Receive a suspiciously confident diagnosis.
v1 • mostly science
Case details
What’s broken?
Something (unspecified)
Login / SSO
Email
VPN / Remote access
Website / App
File share / Storage
CI / Deploy
Database
Did anything change?
“Not that I know of”
Yes
No
Who touched it last?
Unknown
Me (oops)
A coworker
A vendor / cloud provider
A user
Automation / script
When did it start?
Today
Overnight
Weekend
Unknown
Is it Friday energy?
aka timing chaos
No
Kinda
Yes
Blast radius
Just one person
Some users
Everyone
Production is sad
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Random case
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Diagnosis
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Most likely causes
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