Convert PPK to openssh keys


Install the puttygen tools

brew install putty

Generate the private key

puttygen /path/to/your/file.ppk -O private-openssh-new -o id_rsa.private.key

Generate the public key

puttygen /path/to/your/file.ppk -O public-openssh -o id_rsa.public.key

Change the right permission

chmod 600 id_rsa.private.key
chmod 644 id_rsa.public.key