How to create and use a ssh key pair

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We create the SSH key by going to 'accounts '. (1) from the left menu, and then selecting the view «Key SSH» (2) :

We click on the button 'Create a SSH again' to the right of the search field :

In the window that opens, fill in the name of the key that you want and you can enter your key public ssh :

If you do not specify public key, then Cloudstack provides you with an SSH private key that will be used to connect to your instances :

To use this, copy/paste your private key in a file on your workstation/Server from which you will connect to your instance (the private key will then be displayed in the interface) :

You should restrict permissions to your private key file :

$ chmod 400 MySshPrivateKEY_CloudIkoulaOne

When deploying your instance, choose the stable model "CoreOS. (the connection by SSH key works with all GNU models/Linux) :

Then check your SSH key (created above) to step 7 "Certifying SSH' to be able to connect to your instance with the :

Once deployed, you can connect to your instance in ssh via your key (We use here the user core own CoreOS and non-root as on other systems) :

$ ssh -i MySshPrivateKEY_CloudIkoulaOne core@xxx.xxx.xxx.xxx Last login: Mon Jun 20 09:27:06 2016 from xxx.xxx.xxx.xxx CoreOS stable (1010.5.0) core@xxxxxxxxxxx ~ $

You can also use a client like putty ssh.

However format the key in putty format.

Will be used "puttygen loader" (provides with putty).

Run it and click "Load" then open the file in which you have saved your private key.

Then click "OK" (1) then enter a passphrase in the passphrase fields (2 and 3) Finally save the key (4) "Save private key".

Launch Putty and enter the ip of your VM in the Host Name box

Then go to Connection-Data and specify "core" in the field "Auto-login username.

Finally go to Connection-SSH-Auth and click "Browse" then select your private key file

Click open to start the connection.

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