fdupes from Cloud:OTC:Tools project
Select Your Operating System
Add repository and install manually
For CentOS 7 run the following as root:
cd /etc/yum.repos.d/ wget https://download.opensuse.org/repositories/Cloud:OTC:Tools/CentOS_7/Cloud:OTC:Tools.repo yum install fdupes
Grab binary packages directly
Add repository and install manually
For RHEL 7 run the following as root:
cd /etc/yum.repos.d/ wget https://download.opensuse.org/repositories/Cloud:OTC:Tools/RHEL_7/Cloud:OTC:Tools.repo yum install fdupes