On Friday, October 28, 2016 at 5:01:54 PM UTC, jhonrubia6 wrote:
>
> Is not 104.197.143.230?
>
>
> OnoSendaiII:sage J_Honrubia$ host trac.sagemath.org 
>
> trac.sagemath.org has address 104.197.143.230
>

the IP might have remained, but the (virtual) machine got changed, and got 
SSH keys regenerated.
 

>
>
> El jueves, 27 de octubre de 2016, 20:29:30 (UTC+2), John Cremona escribió:
>>
>> The machine hosting trac did change recently. 
>>
>> On 27 October 2016 at 19:17, jhonrubia6 <javier_...@hotmail.com> wrote: 
>> > After working on ticket #21052, I committed the changed file and tried 
>> to 
>> > git trac push and get the error 
>> > 
>> > git_trac.git_error.GitError: git returned with non-zero exit code (128) 
>> when 
>> > executing "git push trac 
>> > HEAD:refs/heads/u/jhonrubia6/add_pictures_to_implicit_plot3d_py" 
>> > 
>> >     STDERR: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 
>> > 
>> >     STDERR: @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @ 
>> > 
>> >     STDERR: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 
>> > 
>> >     STDERR: IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! 
>> > 
>> >     STDERR: Someone could be eavesdropping on you right now 
>> > (man-in-the-middle attack)! 
>> > 
>> >     STDERR: It is also possible that a host key has just been changed. 
>> > 
>> >     STDERR: The fingerprint for the ECDSA key sent by the remote host 
>> is 
>> > 
>> >     STDERR: SHA256:4Op/q3b5792x+F1lHSKRi5UIORAPDlIFVA5cUq9YVXI. 
>> > 
>> >     STDERR: Please contact your system administrator. 
>> > 
>> >     STDERR: Add correct host key in /Users/J_Honrubia/.ssh/known_hosts 
>> to 
>> > get rid of this message. 
>> > 
>> >     STDERR: Offending ECDSA key in /Users/J_Honrubia/.ssh/known_hosts:4 
>> > 
>> >     STDERR: ECDSA host key for trac.sagemath.org has changed and you 
>> have 
>> > requested strict checking. 
>> > 
>> >     STDERR: Host key verification failed. 
>> > 
>> >     STDERR: fatal: Could not read from remote repository. 
>> > 
>> >     STDERR: 
>> > 
>> >     STDERR: Please make sure you have the correct access rights 
>> > 
>> >     STDERR: and the repository exists. 
>> > 
>> > 
>> > git trac config works fine without errors. 
>> > 
>> > but 
>> > 
>> > OnoSendaiII:sage J_Honrubia$ ssh g...@trac.sagemath.org info 
>> > 
>> > @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 
>> > 
>> > @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @ 
>> > 
>> > @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 
>> > 
>> > IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! 
>> > 
>> > Someone could be eavesdropping on you right now (man-in-the-middle 
>> attack)! 
>> > 
>> > It is also possible that a host key has just been changed. 
>> > 
>> > The fingerprint for the ECDSA key sent by the remote host is 
>> > 
>> > SHA256:4Op/q3b5792x+F1lHSKRi5UIORAPDlIFVA5cUq9YVXI. 
>> > 
>> > Please contact your system administrator. 
>> > 
>> > Add correct host key in /Users/J_Honrubia/.ssh/known_hosts to get rid 
>> of 
>> > this message. 
>> > 
>> > Offending ECDSA key in /Users/J_Honrubia/.ssh/known_hosts:4 
>> > 
>> > ECDSA host key for trac.sagemath.org has changed and you have 
>> requested 
>> > strict checking. 
>> > 
>> > Host key verification failed. 
>> > 
>> > 
>> > Any clue? 
>> > 
>> > -- 
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>>
>

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