[X2Go-User] X2Go Client: Kex error : no match for method server host key alog: server [ssh-rsa], client [ssh-ed25519]

[Robert Dinse]

      On Redhat derived systems there have been many recent updates to openssh,
many of them disabling known to be insecure protocols.

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On Sun, 26 Feb 2017, Mihai Moldovan wrote:

> Date: Sun, 26 Feb 2017 05:40:47 +0100
> From: Mihai Moldovan <ionic at ionic.de>
> To: jmmec2014 at yahoo.com, "x2go-user at lists.x2go.org" <x2go-user at lists.x2go.org>
> Subject: Re: [X2Go-User] X2Go Client: Kex error : no match for method server
>     host key alog: server [ssh-rsa], client [ssh-ed25519]
> 
> On 24.02.2017 01:14 AM, jmmec2014 at yahoo.com wrote:
>> I don't know why Windows 8.1 was suddenly only supporting ssh-ed25519 and
>> failing to connect to my Linux Mint session with that "kex error".  What is even
>> stranger:  the problem suddenly went away and I could once again use the x2go
>> client to connect to that session (the same session that I've had running for
>> more than a month - maybe two months by now).  At least for now the "kex error"
>> is gone with the X2GO client.
>
> That's weird... libssh shouldn't behaving differently from one invocation to the
> other, really. Did you really change nothing server-side?
>
>
>
> Mihai
>
>