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I am using ssh to access another machine and require the IP from which I am sshing from. Finger gives this, but I don't know how to isolate this from the information given. So far I have:

finger | grep $USER

Which produces:

jonno     Jonathan Mackenzie   pts/9          Sep 21 16:23 (

What is the last grep required to isolate the IP address (i changed it here for security reasons)?

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2 Answers

up vote 3 down vote accepted

Quick and dirty:

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When you ssh somewhere a few environment variables are set:


do take a look at them, they are quite useful.

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