Yes, I have a script to send a nice melody to my living room computer when my coffee is ready that uses at and ssh.
But, I often log in and get up and do things and theoretically someone could walk in the front door and sit down. Not that I'm paranoid, but I don't like the session/user to be able to do too much or know too much. So I don't make accessing another box too easy, unless I have a good reason. Plus there is the whole layered defense concept and all that.
So, for a lot of scripting with ssh certificates, I use user operator. It was just sitting around with it's teeth in its mouth, so I put it to work. Plus the name sounded sort of descriptive. I wrote a script to do clipboard sharing over the network, for example. And, since I don't log in as operator ever, unless I am adding scripts or features, I have less of a security concern.
-Gary
----- Forwarded message from Linus Sphinx sphinxtar@gmail.com -----
Date: Wed, 6 Jul 2022 07:54:01 -0600 From: Linus Sphinx sphinxtar@gmail.com To: Gary saclug@garymcglinn.com Subject: Re: [Lug-nuts] [sphinxtar@gmail.com: Re: Basic SSH]
Way we had everything wired at etrade, made for some nice easy scripting.
On Wed, Jul 6, 2022 at 6:37 AM Gary saclug@garymcglinn.com wrote:
I was thining of tyring that just to see if it would work. You would think there would be an example of it somewhere. It's not how I'd like to use it, but it would be a good way to figure things out.
----- Forwarded message from Linus Sphinx sphinxtar@gmail.com -----
Date: Wed, 6 Jul 2022 05:01:48 -0600 From: Linus Sphinx sphinxtar@gmail.com To: Gary saclug@garymcglinn.com Subject: Re: [Lug-nuts] Basic SSH
Do you own both servers? Maybe generate keys and exchange them? Sorry for the RTFM: https://man7.org/linux/man-pages/man1/ssh-keygen.1.html
On Tue, Jul 5, 2022 at 11:35 PM Gary saclug@garymcglinn.com wrote:
So, my eyes grow weary of google nonsense.
But is there ever a way to use anything other than:
ssh -L xxxx:localhost:yyyy server.com or ssh -L xxxx:server.com:yyyy server.com
for example
ssh -L xxxx:anotherserver.com:yyyy server.com
for example when there are firewalls.
How would it work? Certificates only? I'd like to use a password on anotherserver.com
I know I could get what I want using a double login and chaining ports. But, it seems like a real waste if the :localhost: is just to tickle the bind addresses on the server.
-Gary
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-
Gary