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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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I somehow broke my ssh keys (pawb.social)

submitted 1 year ago by [email protected] to c/[email protected]

9 comments fedilink hide all child comments

I have 4 servers. 3 on oracle cloud, and 1 on google. So i decided to setup guackamole with docker on one. I did everything, i added my private key, and tried to connect. But i got an error, and the same when i tried to connect from powershell (server sent public key). The key worked before. I tried to connect to the same server where guacamole is running from. I tought that oracle maybe regenerated the key, so i deleted the existing one, and regenerate it, but that failed too. But putty still works, i can still connect with it. Then i tried to use putty to regenerate the original key files, and that failed too. Then i cheked if the key on the server are still mached to the one i regenerated with putty, and they are the same. But i still can't connect. How can i fix this? I really don't know what went wrong.

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[–] [email protected] 17 points 1 year ago* (last edited 1 year ago) (2 children)

Just to be sure — you uploaded the public key to your servers, right? In your user's directory on the remote server at ~/.ssh/authorized_keys. Your private key should never leave your system. That's a very common mistake in my experience. The wording of your post makes it seem like you may have done that.

[–] [email protected] 1 points 1 year ago (1 children)

Maybe i did that. I check tomorrow cus im really tired.

[–] ilovepudding 11 points 1 year ago

If you uploaded your private key you need to remove that and generate a new key pair anywhere the old keypair was used. That old keypair is now compromised and should never be used again anywhere. IMO you should do that now not tomorrow.