Hi,
use the following steps to create a ssh key pair with puttygen and import the public key on a linux hosts.
Start puttygen and generate an 4096 Bit RSA Key.
![Generate an 4096Bit RSA Key](http://michlstechblog.info/blog/wp-content/uploads/2015/03/generate-key.png)
Set a strong password and save it (D:\temp\private.ppk in this example) at a secure location.
Continue reading Linux: Creating a ssh keypair with puttygen