INSTALL POSTGRESQL & POSTGIS for QGIS by Lex Berman

psql: FATAL: role "root" does not exist // so psql is in the PATH but not running yet because we have not created the psql user // try "createuser --help" for more information. // note double – hyphen before parameter! Single hyphen - won't work // create a user with your Mac login / username as the postgres “yourUsername” // note, this ... ................
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