carry out iaas-pre-host.sh report an error

Downloading packages:

warning: /var/cache/yum/x86_64/7/iaas/packages/python-fixtures-3.0.0-2.el7.noarch.rpm: Header V4 RSA/SHA1 Signature, key ID 764429e6: NOKEY

Public key for python-fixtures-3.0.0-2.el7.noarch.rpm is not installed

Please Reboot or Reconnect the terminal

How to fix it

从 Windows 版邮件发送