Ravi Sir's Cards › AWS
App fails with no clear error?
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
What it is
Trace file calls.
strace -f -e trace=file ./app
Why it matters
Look for ENOENT or EACCES.
How / example
Attach to a PID.
strace -p 4120