I followed this guide to set up an amazon s3 upload procedure for my ember-js application with grunt-s3: http://www.octolabs.com/blogs/octoblog/2014/05/24/deploying-ember-cli-to-amazon-s3-with-grunt/
I noticed that when mounting the s3 filesystem in my ubuntu server, all the files were with permission mode 000.
I want to have the files with permission 644. How can I achieve that?