This private key can be used with PuTTY to connect to a VM created with OpenStack.

You should also add a 'Key passphrase' at this point to use when accessing your private key and then click 'Save private key'. Then select the 'All Files (*.*)' filter, select the '.pem' file you downloaded from OpenStack, and click 'Open'. This key can be converted to a format used by PuTTY by clicking the 'Load' button in PuTTYGen. When a key is created on OpenStack you obtain a key with a '.pem' extension. Key generation and usage with PuTTY is demonstrated in this video : Easily setup PuTTY SSH keys for passwordless logins using Pageant. See connecting with PuTTY using a key pair or connecting with MobaXTerm using a key pair. Test the new key by connecting to the server using SSH. You may also use ssh-copy-id for this purpose, if it is available on your personal computer.

Ensure the permissions and ownership of the ~/.ssh directory and files therein are correct, as described in these instructions.

' and paste it as a single line at the end of /home/USERNAME/.ssh/authorized_keys on the cluster you wish to connect to.

Copy the contents of the box titled 'Public key for pasting into OpenSSH.

If for some reason you do not want to use the CCDB method, you may upload your public key onto each cluster as follows: For more about this, see SSH Keys: Using CCDB. ' and paste it into the box at CCDB -> Manage SSH Keys. Copy the contents of the box titled 'Public key for pasting into OpenSSH. This will let you to use it to log in to any Compute Canada HPC cluster. We encourage you to register your SSH public key with the CCDB. Installing the public part of the key pair Installing via CCDB It is conventional to save the public key with the same name as the private key, but here, the extension is.

Click 'Save private key' and choose a meaningful file name the extention.

Remember this passphrase, you will need it every time you reload PuTTY or MobaXTerm to use this key pair. You will then be asked to move your mouse around to generate random data to be used to create the key. (Type 'RSA' is also acceptable, but set the 'Number of bits' to 2048 or greater.)

For 'Type of key to generate' select 'Ed25519'.

The MobaXTerm window looks almost exactly the same. The PuTTY window is illustrated at right.

With PuTTY, run the PuTTYGen executable.īoth of these methods will cause a window to be displayed which can be used to generate a new key or to load an existing key.

With MobaXTerm, go to the menu item Tools->MobaKeyGen (SSH key generator).

The process of generating a key is nearly the same whether you are using PuTTY or MobaXTerm.

2 Installing the public part of the key pair.

Mobaxterm keygen