我使用officialpackages安装了MongoDB(mongodb-stable)，并遵循Quickstartguide其中包括:BydefaultMongoDBwillstoredatain/data/db,butitwon'tautomaticallycreatethatdirectory.Tocreateit,do:$sudomkdir-p/data/db/$sudochown`id-u`/data/dbYoucanalsotellMongoDBtouseadifferentdatadirectory,withthe--dbpathoption.只有在我运行sudomon
