this post was submitted on 10 Oct 2023
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Linux
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I suggest you don't sync SSH keys. That's just increasing the blast radius of any one of those machines being compromised.
Right. Use some kind of centralized authentication like freeipa.
For bash aliases, I just pull down a .bashrc from github gists.
OP should just generate a unique SSH key per device (+ user).
I d rather have 2 to 3 (for critical, mid, and test systems) ssh keys that are regularly rotated than 1 key per machine. I m not gonna balance 50 ssh keys; neither enter my password every time i jump hosts.