本文永久地址：https://my.oschina.net/bysu/blog/1359109

由于公司网络需要用到代理，才能对外网进行访问。不设置外网进行yum访问，会报如下错误：

[subaoya@localhost ]$ sudo yum groupinstall "Development tools"
Loaded plugins: fastestmirror,refresh-packagekit,security
Setting up Group Process
Loading mirror speeds from cached hostfile
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=6&arch=i386&repo=os&infra=stock error was
14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'"
Error: Cannot retrieve repository Metadata (repomd.xml) for repository: base. Please verify its path and try again

yum proxy

• 文件目录

vim /etc/yum.conf

• 添加如下

proxy = http://[username:password@]yourproxy:8080/

参考：http://www.cnblogs.com/zjoch/p/6509925.html

本文永久地址：https://my.oschina.net/bysu/blog/1359109