1. Create Python virtual environment using virtualenvwrapper:

mkvirtualenv --python=/usr/bin/python3 ac10_podcast
pip install -r scripts/requirements.txt

2. Create file scripts/aws_access.sh with AWS key information:

#!/bin/sh
export AWS_ACCESS_KEY_ID="..."
export AWS_SECRET_ACCESS_KEY="..."

3. Add scripts/cron_script.sh to crontab:

15 * * * * run-one /path/to/cron_script.sh