The Difference Between .PEM And .PPK And How To Generate .PPK File For SSH From Putty
OpenSSL – How to renew an expired SSL Certificate, so that the new SSL Certificate has the same Public Key as the old Certificate | University of South Wales: Cyber University of
How to convert PEM to PPK using puttygen – TecAdmin
Convert an SSH key from PEM to PPK - Knowledge Base - Gcore