OpenSSL Certificate Signing Request (CSR)#

Use CSR to request a signed certificate.

Create CSR#

openssl req -new -key rsa_key.pem -out mycsr.csr

Skip prompts:

openssl req -new -key rsa_key.pem -out mycsr.csr \
  -subj "/C=IN/ST=TN/L=Chennai/O=Example Ltd/OU=IT/CN=example.com"