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SSH: passwordless login with different users?

     
7:41 pm on Dec 15, 2006 (gmt 0)

5+ Year Member



Can a local user passwordlessly ssh into the home directory of a another differently named user?
In my case, local user, robert, needs to login to the remote home directory of user, webadmin.

Is this possible?

Locally as the 'robert' user, I created the key through:
ssh-keygen -t rsa
Then, I used cat to put the id_rsa.pub into the authorized_keys file located in the .ssh directory of 'webadmin' on the remote server.
For some most-likely obvious reason, this did not work as a password was still required to login.

many thanks in advance
g

10:51 pm on Dec 16, 2006 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



It's definitely possible, and that sounds right. Maybe it's picky about permissions? The .ssh directories should be mode 700 owned by the user where they reside. And the .pub and authorized_keys should be mode 600 or 644, also with the correct owners.
11:11 pm on Dec 16, 2006 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



Make sure you specify the remote user. Something like webadmin@remotehost, not just host. Otherwise, it tries robert@remotehost.

If you are using ssh2 then it's authorized_keys2, not authorized_keys.

3:44 am on Dec 17, 2006 (gmt 0)

WebmasterWorld Senior Member jtara is a WebmasterWorld Top Contributor of All Time 5+ Year Member



If you are using ssh2 then it's authorized_keys2, not authorized_keys.

Actually, that's not quite right. authorized_keys2 is simply an ADDITIONAL file that is checked. It has nothing to do with whether you are using SSH1 or SSH2.

I think the idea is so that you can have a site-wide file that you copy or create a link to, then put user-specific keys in authorized_keys2. That's the way I use it, anyway, on my VPS account.

My VPS host requires access for support. Their key is in authorized_keys. I put my key(s) in authorzied_keys2.

 

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