Article ID: 202, created on Oct 6, 2008, last review on May 10, 2014

  • Applies to:
  • Plesk for Linux/Unix


It can be done using openssl. You must be logged in the server as root. The RSA private key and certificate text need to be saved to a text file, the same as using the certmng utility (explained above). The certificate can be tested running openssl using the following syntax:

   # openssl rsa -modulus -noout -in /path/to/private.key.file | openssl md5


   # openssl x509 -modulus -noout -in /path/to/certificate.file | openssl md5

The first command tests the RSA private key and the second command tests the certficate. The outputs of the both commands must be the same.

For example:

# openssl rsa -in key.pem -noout -modulus | openssl md5

# openssl x509 -in cert.pem -noout -modulus | openssl md5

29d1e90fd304f01e6420fbe60f66f838 a914db3fdc7a53ddcfd1b2db8f5a1b9c 56797cefb1efc9130f7c48a7d1db0f0c

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