[Users] [help]how to get the CA certificate when uploader ISO

error when I update a iso to iso domain by engine-iso-uploader # engine-iso-uploader --iso-domain=ISO upload Fedora-17-x86_64-DVD.iso Please provide the REST API password for the admin@internal oVirt Engine user (CTRL+D to abort): ERROR: [ERROR]::ca_file (CA certificate) must be specified for SSL connection. INFO: Use the -h option to see usage. but I manual engine-iso-uploader, there is no any information about certificate. # man engine-iso-uploader -- Sheldon Feng(冯少合)<shaohef(a)linux.vnet.ibm.com> IBM Linux Technology Center