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From: <nunojsilva@ist.utl.pt> (Nuno Silva)
Subject: [gentoo-user] Re: Ssh problem : half-solved
Date: Tue, 12 Mar 2019 14:46:42 +0000
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On 2019-03-11, Philip Webb wrote:

> 190311 Neil Bothwick wrote:
>> Have you run ssh with -v
>> to see what configuration options it is reading from where.
>> Bear in mind that ssh stops at the first matching host definition,
>> so if you have a "host *" in your config, it must be last.
>
> This is what I get :
>
>   522: ~> ssh -v <URL>
[...]

What is <URL>?

Are you using the same hostname or address that is present in the "Host"
line you added?

>   Unable to negotiate with <IP> port 22: no matching key exchange
> method found. Their offer:
> diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
>
> Is that any help ?

-- 
Nuno Silva