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lang-sql
FATAL: database files are incompatible with server 2017-12-06 14:35:33.309 EST [1318] DETAIL: The data directory was initialized by PostgreSQL version 9.6, which is not compatible with this version 10.1.sudo updatedb; sudo locate postgres | grep bincommand not founderrorpg_upgrade... it needs my data directory, how do I know where that is?