How To Use Openssl Generate PEM files

PEM format Key Pair with Password Phase

openssl genrsa -des3 -out private.pem 2048    ( private key pem file)
openssl rsa -in private.pem -outform PEM -pubout -out public.pem   (public key pem file)

PEM format Key Pair without Password Phase

openssl genrsa  -out private.pem 2048    ( private key pem file)
openssl rsa -in private.pem -outform PEM -pubout -out public.pem   (public key pem file)