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So I pulled a specific configuration file (rsyslog.conf) off of a LOT of hosts. I’m going to be managing it with Puppet, but before I do, I need to know what’s out there already lest it get overwritten. I used pssh with cat and an output directory to grab the file from all 30 servers in question. Now, I’ve got a directory with 30 files in it, and I need to figure out how many different files (by contents) there are, and which ones differ.

find . -type f -exec md5sum '{}' \; | sort | uniq -d -w 36

This will check the contents of each file by MD5 checksum, and print out the (lexographically) first file in each group, along with its MD5 sum. You can also strip off the uniq command, and see the list sorted by md5.

A GUI alternative would be to use fslint, which is a graphical tool that can (among other things) display a list of the duplicate files within a path or set of paths.


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