I tried to install YumaPro Client on CentOS7 with below command.
“rpm -i yumapro-client-19.10-6.el7.centos.x86_64.rpm”
However, it shows a warning message “Header V4 RSA/SHA1 Signarure, key ID 91ca8ef7: NOKEY”
The same error happen on v18.10 and document.
What extra step is needed to install it?