how to copy files from dead linux server with knoppix

Hi I have a linux box that will not boot into the shell, I have booted off of a knoppix disk and want to copy all the files from the HD to an external drive I can see the files but cannot copy them as they have permissions. Can I remove the permissions I also do know the root password for that server id it helps.
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ravenplConnect With a Mentor Commented:
for knoppix You need to login as root first. Refer
Or use another liveCD distro
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