Every 2o minutes the syslogd daemon writes a message to
/var/log/messages simply to note that the machine is still
The frequency is controlled by the
-m option of the
syslogd and can be set to, for example, every 60 minutes
rather than the default 20 minutes, with the following setting in
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Data Science Desktop Survival
Books available on Amazon include
Data Mining with Rattle
Essentials of Data Science.
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