Installing Postgres 9.5 On OSX

02 Aug 2015

Edit 12/25/2020: I’d recommend using: https://postgresapp.com/

Ended up being surprisingly easy:

	brew uninstall postgresql
	brew install postgresql-9.5
	brew link -f postgresql-9.5
	mv /usr/local/var/postgres /usr/local/var/postgres.old
	initdb -D /usr/local/var/postgres
	# restore old database?
	# pg_upgrade -b /usr/local/Cellar/postgresql/9.0.4/bin -B /usr/local/Cellar/postgresql/9.1.2/bin -d /usr/local/var/postgres.old -D /usr/local/var/postgres
	# start postgres
	pg_ctl -D /usr/local/var/postgres -l logfile start

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