I m trying to install a letsencrypt certificate in my ocum server but i got the follwing messages
Failed to install certificate: A valid full certificate chain from the host certificate to the Certificate Authority's certificate must be provided.
I have carefully followed the instruction from here
my fqdn is ocum.admin.ibfj-evry.fr
the fullchain output file give me
openssl crl2pkcs7 -nocrl -certfile fullchain.pem | openssl pkcs7 -print_certs -noout
issuer=/C=US/O=Internet Security Research Group/CN=ISRG Root X1
subject=/C=US/O=Internet Security Research Group/CN=ISRG Root X1
issuer=/O=Digital Signature Trust Co./CN=DST Root CA X3
then i have a valid full certificate chain from the host certificate to the Certificate Authority's certificate
i have prepend the private key file.
but i got no luck
how can i debug this problem.?