file(1) bug causes the input Postscript file to be misidentified as an Erlang JAM file if it contains the string ‘Tue’ starting at byte 4.
According to Edward Snowden, it was a side-effect of the NSA attempting to install an exploit in one of the core routers at a major Syrian ISP, and accidentally bricking the router
Snowden interviewed by James “The Puzzle Palace” Bamford, no less
I’ve built a very simple distributed profiler for soft-real-time telemetry from hundreds to thousands of JVMs concurrently. It’s nowhere near as comprehensive in its analysis as, say, Yourkit, but it can tell you, across a distributed system, which functions are taking the most time, and what their dominant callers are.Potentially useful.