Note to Self: Changing info for the postgres system user

Do you use MacPorts? Ever switch from one version of PostgresQL to another, e.g., 8.4 to 9.0? Did you notice that it started complaining about a non-existent home directory for the postgres system user? Me, too.

My first instinct was to edit the user, but there is no entry for postgres in /etc/passwd. That led me to this excellent article. Using that info, I cooked up the following command:

sudo dscl localhost change /Local/Default/Users/postgres NFSHomeDirectory /opt/local/var/db/postgresql84 /opt/local/var/db/postgresql90

Back to flipping out...

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