Apple's Installer is not designed to do that. The general design idea is that the user's system is NOT changed until the user clicks "Install." (Of course, there are a few loopholes, but please, please do not violate the idea.) On May 8, 2013, at 7:08 AM, Scott Grosch <scott.grosch@gmail.com> wrote:

I'm using Packages to build my installer, and I'm finding the need to run a command, *as root*, before the GUI runs. Specifically when my custom installer screen is run I need to already have postgres running on the system, and so I need something to run a 'serveradmin start postgres' command with root privs. The installer doesn't ask for the root password until the actual install step it seems. Is this possible?

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