private-openssh is used to save an Prerequisites. Another option is to convert the ppk format to an OpenSSH format using the PuTTygen program performing the following steps: Run the puTTygen program. To convert the private key to standard PEM format, type the following command – puttygen privatekey. I am sharing the steps to convert PPK to Pem format on the Linux terminal using a putty gen tool.
First we need to install putty on your machine. Ensure putty is installed on the system (I use hombrew for Mac package management). As I am a Ubuntu user, I need a key that supports the terminal command.