[ubuntu] Cloning a drive to the network

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http://ubuntuforums.org – How can I make an clone of my entire hard drive to a network drive? I know of dd but I don't think that can clone to the network, also, I don't want to lose any files on my network drive. But I don't want to just backup my files, as I already have those backed up, I want to backup the entire OS and all partitions (just in case something happens to it I want to be able to just load up the clone and have it exactly as it used to be with all the settings I have and such). I can't seem to find anything on Google about this (it's all talking about an external hard drive or something else connect (Hardware)