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#6 Re: Password-less logins with OpenSSH Posted by wouter (195.162.xx.xx) on Fri 3 Jun 2005 at 20:47 It would be more secure to put the command in the authorized_keys file -- read sshd(8). The remote sshd server then executes the command and terminates without giving back a shell. That way, even when someone either compromises the key or the computer with the key on it, they can only execute that one command. Especially for your example of 'uptime' or any other simple command you need often, this would be even much more secure. To backup remote servers, I use rsync over ssh with the key valid only for the rsync-listener (and a shell script to double-check the given parameters). It is the most secure way I can think of to backup servers directly. And it's pretty fast too...

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