Re: scp via another server

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On 12/06/16 18:07, H wrote:
> On 06/12/2016 05:21 PM, J Martin Rushton wrote: $ scp
> svr2:/path/to/source svr1:/path/to/dest
> 
> You'll get twice the network traffic since the copy is running on
> your workstation (or whatever).
> 
> On 12/06/16 15:40, H wrote:
>>>> I normally use ssh to log into a remote server, change
>>>> directory and then use scp from there to copy files from
>>>> another remote server to the first one.
>>>> 
>>>> Now the first server has been hit by continuous error
>>>> correction messages from the ECC controller, all of which are
>>>> corrected, and I am unable to get a command line to issue the
>>>> required commands to change directory and then run scp from
>>>> the other server. I have no problems, however, getting into
>>>> the first server - except for being drowned by the error
>>>> correction messages and the server seems to be running
>>>> "fine".
>>>> 
>>>> Until I am able to get to the server and investigate, is it 
>>>> possible to accomplish the above on a single command line,
>>>> thus avoiding seeing the error messages? I should add that
>>>> both the first and second server are set up to accept keys
>>>> and not passwords so at least I don't have to worry about
>>>> that.
>>>> 
>>>> Thank you. _______________________________________________
>>>> CentOS mailing list CentOS@xxxxxxxxxx 
>>>> https://lists.centos.org/mailman/listinfo/centos
>> _______________________________________________ CentOS mailing
>> list CentOS@xxxxxxxxxx 
>> https://lists.centos.org/mailman/listinfo/centos
> This did not work even though the same user is authenticated on
> both servers and I have no problems ssh'ing into either of the two
> servers. The message is "permission denied."
> 
> Presumably some problem with being recognized on both systems? 
> _______________________________________________ CentOS mailing
> list CentOS@xxxxxxxxxx 
> https://lists.centos.org/mailman/listinfo/centos

It sounds like it.  Try:
$ ssh svr1 pwd
$ ssh svr2 pwd
If they work without asking for a password then there is a deeper
configuration issue.  If you do get prompted for a password then you
need to sort out your access.  If the username differs try
<user>@<host> both for the ssh test and the scp command.
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