Installing s3cmd from the sources

1. Go to s3cmd GitHub home page: https://github.com/s3tools/s3cmd

2.  Install python, wget and unzip if not installed
yum install unzip python-pip wget

3. Download the archive with the sources:
wget https://github.com/s3tools/s3cmd/archive/master.zip

4. unzip, change directory and run install:

unzip master.zip

cd s3cmd-master

python setup.py install

 5. Run s3cmd and save configuration in the config file:
s3cmd --configure

(provide your access and secret keys on the prompt)