Annotated edit history of
ddNotes version 8, including all changes.
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BenStaz |
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!! Erase a Harddrive (zero fill) |
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This command attempts to write a zero at every writable location on your hard drive. |
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Before using the command, I recommend triple checking that you are indeed erasing the correct harddrive! |
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*dd if=/dev/zero of=/dev/hda bs=1M |
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BenStaz |
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BenStaz |
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BenStaz |
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!! Clone a Harddrive |
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Lets say that ''/dev/sda'' is the hdd we wish to clone, and that ''/dev/sdb'' is an empty drive that is to be used as the target. |
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BenStaz |
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* dd if=/dev/sda of=/dev/sdb bs=1M |
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BenStaz |
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BenStaz |
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Note : the destination harddrive should be equal or larger in size to the source harddrive. |
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BenStaz |
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!! Clone a CD/DVD |
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* dd if=/dev/cdrom of=/here/is/a/path/mycdrom.iso |
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!! How to backup and restore your [MBR] |
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!Including the partition table. |
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<verbatim> |
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Backup : dd if=/dev/sda of=/backup/mbr.bkp bs=512 count=1 |
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Restore : dd if=/backup/mbr.bkp of=/dev/sda bs=512 count=1 |
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</verbatim> |
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!Excluding the partition table (only the executable code area) |
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<verbatim> |
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Backup : dd if=/dev/sda of=/backup/mbr.bkp bs=446 count=1 |
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Restore : dd if=/backup/mbr.bkp of=/dev/sda bs=446 count=1 |
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</verbatim> |
