Connect to S3 from your local Ubuntu file system
For Mac and Linux you can connect to s3 buckets from your local file navigator using s3fs
https://cloud.netapp.com/blog/amazon-s3-as-a-file-system
Here are the commands you need for Ubuntu. Replace BUCKETNAME with the name of your S3 bucket.
cd ~/;
# for Debian (Ubuntu)
sudo apt-get install s3fs;
# for mac use Brew install s3fs
echo ACCESS_KEY:SECRET_KEY > ~/.passwd-s3fs;
# confirm entry was added
cat ~/.passwd-s3fs;
chmod 600 .passwd-s3fs;
mkdir ~/BUCKETNAME-s3-drive;
s3fs BUCKETNAME ~/BUCKETNAME-s3-drive;