I am not able to use Vagrant generate private key with Debian 11. The box was customized by me and I’ve added the Vagrant insecure public key to the Debian installation. This seems to be related to SSH protocols, but not sure what exactly. This is what happens when I vagrant up my box.
==> default: Importing base box ‘debian11’…
==> default: Matching MAC address for NAT networking…
==> default: Setting the name of the VM: vagrant_default_1680989731694_97295
==> default: Fixed port collision for 22 => 2222. Now on port 2200.
==> default: Clearing any previously set network interfaces…
==> default: Preparing network interfaces based on configuration…
default: Adapter 1: nat
==> default: Forwarding ports…
default: 22 (guest) => 2200 (host) (adapter 1)
==> default: Booting VM…
==> default: Waiting for machine to boot. This may take a few minutes…
default: SSH address: 127.0.0.1:2200
default: SSH username: vagrant
default: SSH auth method: private key
default:
default: Vagrant insecure key detected. Vagrant will automatically replace
default: this with a newly generated keypair for better security.
default:
default: Inserting generated public key within guest…
default: Removing insecure key from the guest if it’s present…
default: Key inserted! Disconnecting and reconnecting using new SSH key…
default: Warning: Authentication failure. Retrying…
default: Warning: Authentication failure. Retrying…
default: Warning: Authentication failure. Retrying…
default: Warning: Authentication failure. Retrying…
default: Warning: Authentication failure. Retrying…
default: Warning: Authentication failure. Retrying…
default: Warning: Authentication failure. Retrying…