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SSH keys generated in the Gcore Customer Portal are in OpenSSH format and must be converted to .ppk format before using PuTTY to connect to a Gcore Virtual Machine. PuTTYgen handles the conversion.
1

Install PuTTY

Download and install PuTTY if it’s not already installed. PuTTYgen is bundled with the PuTTY package.
2

Launch PuTTYgen

Open the PuTTYgen application.
3

Load the key file

Click Load and select the key file to convert.
Windows displays only .ppk files by default. To view all file types, select All files in the Open file dialog.
PuTTYgen app with the Load button highlighted
4

Confirm the import

When prompted to confirm the import, click OK.
PuTTYgen confirmation that the key has been imported
5

Save the converted key

Click Save private key or Save public key to save the converted key to a file.
PuTTYgen app with the Save public key and Save private key buttons highlighted