镜像复制---------------------------   [Linux iso]   baseurl=file:///media/Linux iso    gpgkey=file:///media/Linux iso/RPM-GPG-KEY-fedora file:///media/Linux iso/RPM-GPG-KEY-fedora-test    file:///media/Linux iso/RPM-GPG-KEY   failovermethod=priority enabled=1 gpgcheck=0 ----------------------------   1.2.3.4.5.6.7.8.9.10.