[X2Go-User] Verifying that servei is a known host, base64 error

[Ulrich Sibiller]

Hi,

two things come to mind:
a) disable file-sharing, printing, sound and retry.
b) check/move .ssh/known_hosts on the Ubuntu machine and retry. (Do
not delete, just move out of the way)

Uli

On Thu, Oct 24, 2024 at 7:30 AM Kalle Tuulos <kalle at tuulos.net> wrote:
>
> Hello
>
> One of my colleagues is having the following error message, when trying to open connection from Windows 11 client version 4.1.2.2 to Ubuntu 20.04 server.
>
> Title: Authentication failed.
> <ip>:<port> - Verifying that server is a known host: base64 error
>
> I asked ChatGPT and it instructed to remove C:\Users\<username>\.ssh\known_hosts file. That file was removed, but it did not help. The next ChatGPT instructed was to remove this key from Windows registry: HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\SshHostKeys
> There was no such key. User removed the X2go installation and installed it again, no help.
>
> This same Ubuntu 20.04 server is used by other users without any problems.
>
> How to proceed from here?
>
> Thanks,
>
>    Kalle
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