Self-Sign Certificate

Using OpenSSL tools

• Create Private Key

#   openssl genrsa -out private_key.key 2048

• Create CSR (certificate signing request)

#  openssl req -new -key private_key.key -out csr_file.csr

• Genereate Certificate

#  openssl x509 -req -days <365> -in csr_file.csr -signkey private_key.key -out certificate.cer

• Check Certificate Information

# openssl x509 -noout -text -in certificate.cer