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Does rsync duplicate files?
Any files that do not exist on the remote system are copied over. Any that have been updated will be copied over, although note that rsync is extremely efficient in that only the changed parts of files are copied and if the file is exactly the same if it is not copied over at all.
How does rsync handle deleted?
To do that you want files on the target destination side to be deleted if they do not exist at the source. To do this you simply add the –delete option to rsync. Now any files under /target/dir/copy that are not also present under /source/dir/to/copy will be deleted.
How to delete files from source in rsync?
The –delete switch deletes files from the destination that do not exist in the source. If you want to delete crmlogs, you need to be copying from a source that does not contain that directory. Your example shows you using rsync between two directories under the root directory.
How to delete crmlogs directory with rsync?
Note that rsync -a –delete foo bar or rsync -a –delete ./foo ./bar just puts a copy of foo under bar. Judging by your follow-up comment, I’m not sure whether you really want to delete the crmlogs directory at all, or just flush out certain log files that may no longer exist in the source.
Do you need to use recursive option in rsync?
So, if you use /var/www/*, then you don’t need –recursive option as * will causes the files to be copied (along with any directories with their contents), not the parent directory that contains the files.
How to delete files that have been deleted from the source folder?
As you can see, the file remote/remote_only has been deleted, the file local/local_only has been synchronized. If there are any errors during an rsync scync, rsync will not properly delete the files it should have, even if you used –delete, –delete-after, or –delete-before.