Access server via SSH after Yunohost install

Support
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1

What type of hardware are you using: VPS bought online
What YunoHost version are you running: 12.0.17
How are you able to access your server: SSH

Describe your issue

Hi there.
I bought a Cloud VPS from Gandi with Debian 12. I was able to create an SSH private and public key, then install Yunohost. Yunohost is up and running now.
But now I want to access via SSH to change application preferences and can’t.
Is there any command list that I can try to follow?

Can you please help?

Share relevant logs or error messages

I’ve already tried ssh admin@123.123.123.123 but I got this error:
kex_exchange_identification: read: Connection reset by peer
Connection reset by 123.123.123.123 port 22

2

Use your username

3

Of course. But the password asked is the private key, the public key or the password? I’ve tried with the 3.