But - we have around 250k hosts in about 42 datacenters, some of them going back 8+ years, built by different teams - not everything has been standardized - and :
has lots and lots of weird IP mappings to ssh-keys that is just gross, and not something I would want to expose others to (mostly because it changes a lot behind the scenes)
So - from time to time, someone will say, "hey - the key that should be working in this datacenter/cluster isn't working, how do you get connected" - at which point I so a ssh -vvv and eyeball which one was accepted.
Being able to ask ssh just to print it out - would be awesome.
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This is why I keep a ~/.ssh/config file. I store all the hosts and various connection parameters (uernames, alternate ports, keys, etc.) in that file.
Would that work for you?
So, I have this which I use about once a day:
But - we have around 250k hosts in about 42 datacenters, some of them going back 8+ years, built by different teams - not everything has been standardized - and : has lots and lots of weird IP mappings to ssh-keys that is just gross, and not something I would want to expose others to (mostly because it changes a lot behind the scenes)So - from time to time, someone will say, "hey - the key that should be working in this datacenter/cluster isn't working, how do you get connected" - at which point I so a ssh -vvv and eyeball which one was accepted.
Being able to ask ssh just to print it out - would be awesome.