Re: question
From: Chuck (skilover_nospam_at_softhome.net)
Date: 02/25/05
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Date: Fri, 25 Feb 2005 14:05:54 -0500
Dale Bohl wrote:
> Please help,
>
> Is it possible to run ssh as root but use another users
> login? For example:
>
> root# ssh user@hostname
>
> I'm running OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003 on RH Fedora Core3
> to OpenSSH_3.6.1p1, SSH protocols 1.5/2.0, OpenSSL 0x009060af
> on IRIX.
>
> I've created the rsa keys as the user on the system I'm sshing
> from and moved the key to the remote system in the user's account
> .ssh/authorized_keys file but I still get propmpted for a password.
>
> The reason I ask is I'm trying to do an rsync pull as root
> but use a differnt user so that the directory heiarchy is
> created on the local system as root.
>
I'm not sure I understand which user you created the ssh keys as. If you
are ssh'ing from root, you need to create them as root, then append the
public key (id_rsa.pub) to the authorized_keys file on the remote system
in the remote user's $HOME/.ssh directory.
For example if you are logged in locally as root, and want to connect
remotely as bilbo...
local#root$ ssh-keygen -t rsa -b 2048
local#root# scp ~/.ssh/id_rsa.pub bilbo@remote:.ssh/root.pub
You'll need to enter a password to get the public key over to "remote".
remote#bilbo$ cd ~/.ssh
remote#bilbo$ cat root.pub >> authorized_keys
remote#bilbo$ rm root.pub
Now you should be able to ssh and scp from "local" to "remote" without
entering a password. You will however need to enter a *passphrase* on
local unless you either generated the private key without a passphrase
(bad idea IMHO) or use ssh-agent/ssh-add to cache the key for you.
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