It generally is not possible to upgrade Knoppix like you stated. Knoppix is made from Debian. Have you considered simply installing Debian? Debian was designed for hard disk install from the start.
It generally is not possible to upgrade Knoppix like you stated. Knoppix is made from Debian. Have you considered simply installing Debian? Debian was designed for hard disk install from the start.
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Verifying of md5 checksum and burning a CD at slow speed are important.

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