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Reboot and look again at '/var/log'.

Why not simple install anacron?
(If not already done after installation of Knoppix)
su
aptitude update


su
aptitude install anacron

You can rename '/etc/syslog-knoppix.conf' to disable the limitation of logging by Knoppix. To prevent huge files within '/var/log' you also have to install "anacron" to enable logrotate.