我正在尝试在linuxmint上安装apacheambari。安装成功完成，但当我试图安装服务器时，我得到一些错误。具体如下：

Using python  /usr/bin/python
Setup ambari-server
Checking SELinux...
WARNING: Could not run /usr/sbin/sestatus: OK
Customize user account for ambari-server daemon [y/n] (n)? y
Enter user account for ambari-server daemon (root):root
ERROR: Unexpected error Ambari repo file path not set for current
OS.
ERROR: Exiting with exit code 1. 
REASON: Failed to create user. Exiting.