[CentOS] scp with tty

Frank Thommen frank.thommen at embl-heidelberg.de
Tue Oct 13 21:13:37 UTC 2009


Warren Young wrote:
> Les Mikesell wrote:
>> [...]
> 
> This requires that the public key for localuser on host1 exists in 
> host2:.ssh/authorized_keys.  It also requires "PermitRootLogin yes" in 
> /etc/ssh/sshd_config, which is unfortunately the default on CentOS.  (I 
> usually turn it off.)

Unfortunately?  I could not live w/o it ;-)


> Also realize that remotecmd can be a very complex thing, not just a 
> simple command.  You can use pipes and other things through ssh.

If using IO redirections or pipes, be sure to quote them correctly:

   [localuser at host1 ~]$ ssh root at host2 remotecmd > /tmp/file

will create /tmp/file with the output of remotecmd on host1 (!), while

   [localuser at host1 ~]$ ssh root at host2 remotecmd ">" /tmp/file

will create /tmp/file on host2.


Cheers

    frank


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