昨天突然源出现问题,试了好多方法都没有用出现这个问题Trying other mirror.One of the configured repositories failed (CentOS-$releasever - Extras - mirrors.aliyun.com),and yum doesn't have enough cached data to continue. At this point the onlysafe thing yum can do is fail...
错误信息如下http://mirrors.bclinux.org/bclinux/el7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#6 - "Could not resolve host: mirrors.bclinux.org; Unknown error"Trying other mirror. One of the configured repositories failed (BCLinux-7 - Base), and yum d