First run (installation): `HOME=/path/to/client-specific/home/folder dropbox start -i`
Subsequent runs: `HOME=/path/to/client-specific/home/folder /path/to/client-specific/home/folder/.dropbox-dist/dropboxd start -i`
Edit: Each "home directory" here can be any folder; you're essentially presenting a fake home directory to each Dropbox process. The dropbox processes can run under the same user.
http://semi-legitimate.com/blog/item/multiple-dropbox-instan...
First run (installation): `HOME=/path/to/client-specific/home/folder dropbox start -i`
Subsequent runs: `HOME=/path/to/client-specific/home/folder /path/to/client-specific/home/folder/.dropbox-dist/dropboxd start -i`
Edit: Each "home directory" here can be any folder; you're essentially presenting a fake home directory to each Dropbox process. The dropbox processes can run under the same user.