Redirecting syslogd Error Messages to an Error Log or to a Null File?

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http://unix.stackexchange.com – I have an old PowerPC laptop (old Mac Powerbook G4) that I am running a variant of Debian Squeeze on (MintPPC 9). I keep getting Kernel error messages when I am connected to a particular wireless network but not at other times. I suspect, but have not proven that it is arising from the networking module. The error messages overwhelm anything I am doing at the time (e.g. overlaying a CLI Emacs display) but do not otherwise seem to influence the function of the machine, even the networking seems to soldier on. Is there a way to redirect error messages from syslogd specifically to an error log (HowTos)