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17
votes
4answers
6k views

Is it possible to get OpenSSH to log the public key that was used in authentication?

I have a production system where several different people are allowed to log in to a single account - the account is for the application and not for the person as we don't have personal accounts on ...
2
votes
2answers
17k views

SSH configuration, publickeys, Permission denied (publickey,password). error

My task: login from Mac OS Snow Leopard client to Ubuntu 10.10 server without password. Commands: client$ mkdir ~/.ssh client$ chmod 700 ~/.ssh client$ ssh-keygen -q -f ~/.ssh/id_rsa -t rsa Enter ...
128
votes
2answers
39k views

Create a public SSH key from the private key?

Let's suppose I have a SSH key, but I've deleted the public key part. I have the private key part. Is there some way I can regenerate the public key part?
47
votes
4answers
17k views

How do I make ssh fail rather than prompt for a password if the public-key authentication fails?

I've got a script that ssh'es several servers using public key authentication. One of the servers has stopped letting the script log in due to a configuration issue, which means that the script gets ...
30
votes
7answers
6k views

SSH: Two Factor Authentication

I currently have a Ubuntu Server 12.04 running OpenSSH along with Samba and a few other services. At the current time I have public key authentication set up, and I'm wondering if it's possible to set ...
8
votes
5answers
4k views

Stop ssh client from offering all the public keys it can find?

Like most sysadmins I use openssh all the time. I have about a dozen ssh keys, I like to have a different ssh key for each host. However this causes a problem when I am connecting to a host for the ...
10
votes
2answers
9k views

Authentication Order with SSH

When I login via ssh with -v I see that ssh is authenticating the following way debug1: Authentications that can continue: publickey,gssapi-with-mic,password,hostbased I would like to change the ...
8
votes
3answers
3k views

OpenSSH with public keys from database

Is it possible to fetch the public keys from a database instead of the authorized_keys file? I would like to use such a setup to manage ssh access to things like git repositories for multiple users ...
4
votes
3answers
5k views

Is it possible to connect a EC2 Linux instance via ssh without the key pair?

I can connect to my EC2 Linux instance via ssh using the key pair (*.pem). Is it somehow possible to connect it with ssh with out the pem file?
4
votes
5answers
17k views

certutil: function failed: security library: bad database

when I'm using certutil it returns this error: certutil: function failed: security library: bad database. e.g. I can't list certs or keys How Can I fix this?
3
votes
4answers
4k views

Looking for a one step solution to appending my SSH public key to a server's authorized_keys?

To get my public key onto a server I normal copy the contents of my public key, then SSH into the server, then I run vi .ssh/authorized_keys, then paste my key into the file and save. There has got ...
6
votes
4answers
8k views

Problem using a public key when connecting to a SSH server running on Cygwin

We have installed Cygwin on a Windows Server 2008 Standard server and it working pretty well. Unfortunately we still have a big problem. We want to connect using a public key through SSH which doesn't ...
3
votes
4answers
3k views

How can I enable both password and public key authentication with OpenSSH

I would like for sshd to verify the users' public key and then prompt for their password, rather than just one or the other. Is this possible?
2
votes
1answer
354 views

How can I make gitosis distinguish between two users with the same username

I have a gitosis system that seems to be working correctly except for a common problem we run into where I can't distingush permissions between two users who have the same username, but different ...
4
votes
1answer
680 views

Get SSH fingerprint from remote server securely?

I had thought about this and my host provides out of band support, so I could simply create the key fingerprint out of band and compare it when connecting to that server from home. Is there any other ...
1
vote
3answers
103 views

restricting access via ssh

We have a data processing workstation that's shared by a number of users. I would like to set up a script on that machine to process my data and then copy it it back to my personal machine afterwards. ...
1
vote
3answers
1k views

ssh via public key authentication for users administered with NIS

I'm experimenting with using NIS for centralizing the user management for a network of approx 20 servers. I've got an NIS client and server working, and can ssh to the client machine and successfully ...