Open Stack

Hi Aishwarya,

The basic requirement here is that anyone - which really means a combination of a computer or instance, plus a user on that computer/instance - needs to have the private key that matches the public key that is installed on the target instance.

You've asked about logging in from your first instance ‎- let's call it A - so you need to save the private key in a file on A - let's call it private_key - and give it 600 permissions:

    chmod 600 private_key

Then you can use this key with SSH like this:

    ssh -i private_key USER at OTHER-INSTANCE

Hope that helps.

Regards,
      Neil

From: aishwarya.adyanthaya at accenture.com
Sent: Thursday, 30 July 2015 05:24
To: openstack-operators at lists.openstack.org
Subject: [Openstack-operators] ssh inside instance


Hi,

I’ve launched two instances from my openstack dashboard. Firstly I created instance one, where I generated a key through the ssh-keygen command, pasting the public key contents to import key in the access and security. Using this key I launched second instance.

I want to be able to ssh the second instance from my first instance. Could someone tell me how to work it out?

Thank you,
Aishwarya Adyanthaya

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