Passwordless SSH Everywhere

I’ve known about ssh keys for a long time and frequently use them, most frequently so that a script can transfer a file between two servers without having to do some mumbo-jumbo where I try to pipe a password into it or some other wacky thing. I hadn’t fully embraced ssh keys, though, because I didn’t like the idea that if I lost my laptop, I’d be losing a free key into my servers. Then I discovered ssh-agent. This isn’t new, so I’m kind of embarrassed I didn’t know about it, but I’ve been using it for a few months now and I can’t imagine going back.

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