![安装docker报: failure: repodata/repomd.xml from dockerrepo: [Errno 256] No more mirrors to try.](http://www.mshxw.com/aiimages/31/890460.png "安装docker报: failure: repodata/repomd.xml from dockerrepo: [Errno 256] No more mirrors to try.")
[root@iZ7xvg30tjzukritex8k2oZ ~]# yum -y install yum-utils
failure: repodata/repomd.xml from dockerrepo: [Errno 256] No more mirrors to try.
https://yum.dockerproject.org/repo/main/centos/7/repodata/repomd.xml: [Errno 14] curl#6 - "Could not resolve host: yum.dockerproject.org; Unknown error"
1.去到yum.repos.d
cd /etc/yum.repos.d
2. 除CentOS-Base.repo文件 , 其余的删除
3. ok
