[CentOS] 'last' command doesn't include ssh connections made by this perl script?

On Mon, Jan 02, 2012 at 03:04:07PM -0800, Bennett Haselton wrote:
> This makes me wonder two things:
> 1) What is the difference, from the server's point of view, between the
> connection opened by the script and the one opened by my ssh client; and

Spot the difference between
  ssh remotemachine
and
  ssh remotemachine echo hello

The first is a login (shows up in "last"), the second is not.   Your perl
script does the moral equivalent of the second.

-- 

rgds
Stephen