I picked up "SSH Mastery" by @mwlucas and gave it a read.

Even with many years of SSH under my belt I still learned a few things.

Thumbs up for the crisp writing style. Thumbs up for humor that entertains without getting in the way. "SSH Mastery" has some of the best tech writing I've come across.

Joebob sez check it out.

Enlightened Self Interest 

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