Copying Whole Linux Systems

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DevynCJohnson

Guest
Many people ask or wonder about copying a whole GNU/Linux OS from one storage unit to another. For those of you wanting to do that, whether the storage unit is a magnetic hard-drive or an SD-card, try Clonezilla (http://clonezilla.org/).
 


Interesting. Can this work if you have a Linux installed on different partitions?
 
Whats wrong with dd?

Does dd handle actively changing partitions well? With files being changed and the system being active, it is easier and better to use Clonezilla which runs off of a liveCD.
 
dd is great for EXACT copies of partitions to other devices. BUT if you want to copy from a smaller driver to a larger one or vice versa Clonezilla is best.
 
dd does two things really well: Make exact copies of partitions, and make exact copies of entire disks. It does other stuff as well. If you dd from /dev/random to /dev/sdb for example, you'll completely wipe sdb.

However, when using dd to copy partitions/disks, it's generally easiest to copy like sizes.
 

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