List the differences between two folders on different hosts

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Situation

You want to know the differences between two folders on different unix servers.

Solution

This will list the files that are different, based on their contents.

rsync -rvnc /folder/on/the/local/host someremotehost:/folder/on/the/remote/host | grep -E '^deleting|[^/]$' | sed 1d | sed '$d' | sed '$d'

You can get a diff between two files using the following idea:

ssh someremotehost "cat /folder/on/the/remote/host/stuff/file1.txt" | diff /folder/on/the/local/host/stuff/file1.txt -

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