OSX - SSH agent functionality differing based upon CLI arguments
Markus Friedl
mfriedl at gmail.com
Fri Jan 10 00:21:17 EST 2014
The 2nd example misses the required hostname argument.
> Am 09.01.2014 um 13:32 schrieb bryan hunt <picsolvebryan at gmail.com>:
>
>
> Trying to get SSH agent forwarding working for a popular open source configuration management system called Ansible.
>
> I’ve had some unexpected behaviour, the only cause of which I can find is how I express the command line arguments.
>
> http://stackoverflow.com/questions/20952689/vagrant-ssh-agent-forwarding-how-is-it-working?noredirect=1#comment31511341_20952689
>
> In summarise:
>
> In the first instance I can create a SSH connection, and and execute a remote git clone (via SSH), the Agent Forwarding works, and I am not prompted for credentials:
>
> ssh vagrant at 127.0.0.1 -p 2222 \
> -o Compression=yes \
> -o StrictHostKeyChecking=no \
> -o LogLevel=FATAL \
> -o StrictHostKeyChecking=no \
> -o UserKnownHostsFile=/dev/null \
> -o IdentitiesOnly=yes \
> -i /Users/bryanhunt/.vagrant.d/insecure_private_key \
> -o ForwardAgent=yes \
> "/bin/sh -c 'git clone git at bitbucket.org:bryan_picsolve/poc_docker.git /home/vagrant/poc_dockera' "
> Cloning into '/home/vagrant/poc_dockera'...
>
> In the second instance I express the arguments differently ( -o HostName=127.0.0.1 -o User=vagrant ), and Agent Forwarding doesn’t seem to work:
>
> ssh -o HostName=127.0.0.1 -o User=vagrant -p 2222 \
> -o Compression=yes \
> -o StrictHostKeyChecking=no \
> -o LogLevel=FATAL \
> -o StrictHostKeyChecking=no \
> -o UserKnownHostsFile=/dev/null \
> -o IdentitiesOnly=yes \
> -i /Users/bryanhunt/.vagrant.d/insecure_private_key \
> -o ForwardAgent=yes \
> "/bin/sh -c 'git clone git at bitbucket.org:bryan_picsolve/poc_docker.git /home/vagrant/poc_dockerb' "
> /bin/sh -c 'git clone git at 127.0.0.1's password:
>
> The client side SSH is:
>
> OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011
>
> The server side SSH is:
>
> OpenSSH_5.9p1 Debian-5ubuntu1.1, OpenSSL 1.0.1 14 Mar 2012
>
>
> Have any of the list members got an insight into this behaviour ?
>
> Thanks in advance,
>
> Bryan Hunt
>
>
>
>
>
>
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