gistfile1.txt

 cd s3cmd-1.0.1
 python setup.py install
 s3cmd --configure # to install the key and bucket info

You'll be prompted for Amazon account ID and secret key. You can
get this by logging in to your Amazon account and visiting the
connection-info screen, or from your secure credentials if you
have them.

You'll also be asked for a key to use for encrypting S3
uploads. This can apparently be anything.

STEP FOUR: upload to S3 it goes something like this: cd [directory right above 'ubuntu'] 
# to upload to the development package repository 
    s3cmd put --acl-public --recursive ubuntu s3://pkgserver-dev.hosting.acquia.com/ 
# to upload to the production package repository 
    s3cmd put --acl-public --recursive ubuntu s3://pkgserver.hosting.acquia.com/