Passwordless SSH login

[Tom H]

On Thu, Feb 11, 2021 at 4:12 AM Bob <ubuntu-qygzanxc at listemail.net>
wrote:
> ** Reply to message from Robert Heller <heller at deepsoft.com> on
> Wed, 10 Feb 2021 19:26:23 -0500 (EST)
>>
>> Check the IdentityFile setting in /etc/ssh/ssh_config
>>
>> You need to make sure it is set to:
>>
>>  IdentityFile ~/.ssh/id_rsa
>>
>> I think Ubuntu sets it to:
>>
>>  IdentityFile ~/.ssh/id_ecdsa
>>
>> by default.
>
> Looking at /etc/ssh/ssh_config there is no IdentifyFile parameter,
> all are commented out. Which system does this need to be set, all
> of them or the client or server?

In the ssh configs that are shipped by distros, commented-out values
are enabled, default values.