docker: because it was kind of embarrassing to type `curl foo | sudo bash` directly
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Docker Origin Story
dude1: "curl <random webserver> | sudo bash..."
dude2: hey stop that's bad!
dude1: really bad?
dude2 yeah really bad don't do it!
dude1: well if it's bad we can just put it in jail and it will be OK right?
dudes: 
@msh @brennen I always pipe that junk to tee to try and read wtf it's doing before execution.