Certtool from GnuTLS can do this: certtool --certificate-info --infile=server.crt
posted 3mo ago by matthewsnyderâ€
[Certtool](https://gnutls.org/manual/html_node/certtool-Invocation.html#certtool-Invocation) from GnuTLS can do this: `certtool --certificate-info --infile=server.crt`