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How to do a FULL backup that will permit a bare-metal restore?

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linux-howto

https://www.centos.org – Are you simply asking for an example of how to use tar? If so, assuming that your USB drive is at /mnt/usb, you can use this command: tar cjf /mnt/usb/backup.tar.bz2 --exclude /mnt/usb /. (HowTos)