This is right out of the box (I have no floppy drive):

root@1[knoppix]# knx2hd
/usr/bin/mkdesktophdicons: line 42: cannot create temp file for here document: Permission denied
/usr/bin/mkdesktophdicons: line 100: cannot create temp file for here document: Permission denied
/usr/bin/mkdesktophdicons: line 100: cannot create temp file for here document: Permission denied
/usr/bin/mkdesktophdicons: line 100: cannot create temp file for here document: Permission denied
/usr/bin/mkdesktophdicons: line 100: cannot create temp file for here document: Permission denied
/usr/bin/mkdesktophdicons: line 100: cannot create temp file for here document: Permission denied
/usr/bin/mkdesktophdicons: line 100: cannot create temp file for here document: Permission denied
/usr/sbin/mkinitrd: /dev/uba1: Unknown root device
Please refer to the manual page.
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
/dev/mapper/control: open failed: No such device
Failure to communicate with kernel device-mapper driver.
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
/dev/mapper/control: open failed: No such device
Failure to communicate with kernel device-mapper driver.
Incompatible libdevmapper 1.00.20-ioctl (2005-01-06)(compat) and kernel driver
Fatal: Sorry, don't know how to handle device 0xb401
mke2fs 1.37 (21-Mar-2005)
mke2fs: No such device or address while trying to determine filesystem size
mount: /dev/fd0 is not a valid block device
Ignoring entry 'boot'
Ignoring entry 'install'
Ignoring entry 'map'
Warning: COMPACT may conflict with LBA32 on some systems
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
/dev/mapper/control: open failed: No such device
Failure to communicate with kernel device-mapper driver.
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
/dev/mapper/control: open failed: No such device
Failure to communicate with kernel device-mapper driver.
Incompatible libdevmapper 1.00.20-ioctl (2005-01-06)(compat) and kernel driver
Fatal: open /dev/fd0: No such device or address
umount: /mnt/hdinstall/floppy: not mounted
root@1[knoppix]#