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When setting up a server, what configuration changes do I need to make sure that all of the software uses /dev/urandom instead of /dev/random?
Some servers don't have much entropy in the entropy pool (e.g., VPSs). If a software component uses /dev/random, then it may block and cause the server to become mysteriously slower. Is there any software that comes out-of-the-box using /dev/random by default? If so, how can I configure it to force it to use /dev/urandom? It'd be nice to have a checklist of configuration settings to set, when setting up a new VPS environment.
