Tired of seeing repeated attempts to login to a Linux server you run?  There are a number of options, all with their own benefits and disadvantages.  The easiest way is to move the port that the SSH server runs on, perhaps to 2222 instead of 22.  However. this can be annoying behind some firewalls and means that you need to specify the port each time you SSH to a host.  This post looks at denyhosts, a viable alternative.
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