Finding duplicate files

Using rmlint (not in a repo at time of writing). Home page

How to install

$ apt-get install git scons python3-sphinx python3-nose gettext build-essential

1. Optional dependencies for more features:

$ apt-get install libelf-dev libglib2.0-dev libblkid-dev libjson-glib-1.0 libjson-glib-dev

1. Optional dependencies for the GUI:

$ apt-get install python3-gi gir1.2-rsvg gir1.2-gtk-3.0 python-cairo gir1.2-polkit-1.0 gir1.2-gtksource-3.0

For Compilation

$ # Omit -b develop if you want to build from the stable master
$ git clone -b develop https://github.com/sahib/rmlint.git
$ cd rmlint/
$ scons config       # Look what features scons would compile
$ scons DEBUG=1      # Optional, build locally.
# Install (and build if necessary). For releases you can omit DEBUG=1
$ sudo scons DEBUG=1 --prefix=/usr install

https://github.com/sahib/rmlint

Base command notes on getting & use

git clone -b develop https://github.com/sahib/rmlint.git
cd rmlint/
killall rmlint
rmlint -g
less rmlint.sh 
less rmlint.json 

source : https://rmlint.readthedocs.io/en/latest/rmlint.1.html