使用yum命令时出现错误，哪位大哥能指点下

发布时间:2010-11-21 14:28:22来源:红联作者:dbft

[root@emos httpd-2.2.3]# yum -y install openssl-devel
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
Eg. /
removing mirrorlist with no valid mirrors: //var/cache/yum/base/mirrorlist.txt
Error: Cannot find a valid baseurl for repo: base
[root@emos httpd-2.2.3]#

//var/cache/yum/base/ 目录下没有mirrorlist.txt文件