thanks I had scanned through that document, but it doesn't tell you how to renew a self signed certificate. I went through all the options of the certadmin tool, and renewing a certificate is not one of them. So I guess it must be done manually via some pki binary somewhere on my system, but which one and how ?
Did you ever find out how to renew the cert? One of the certs in the certification path for my grid control system expired and I'd like to get rid of the annoying warning that I get every time I try to use it.