yum [Errno 14] problem making ssl connection CentOs

CentOS下执行yum install时提示无法下载https的package包，异常信息提示如下

[root@ebs-62781 mysql]# yum -y  install docker-io
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * base: mirrors.aliyun.com
 * extras: mirrors.aliyun.com
 * updates: mirrors.aliyun.com
http://download.fedoraproject.org/pub/epel/6/x86_64/repodata/repomd.xml: [Errno 14] problem making ssl connection
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: epel. Please verify its path and try again
 

解决方法
vim /etc/yum.repos.d/epel.repo

[epel]
name=Extra Packages for Enterprise Linux 6 - $basearch
baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch
#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearc
h
failovermethod=priority
enabled=1
#enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 
将enabled=1先改为enabled=0
然后命令行执行

yum install ca-certificates，安装成功后，将enabled重新改为1，再行

yum install -y XXXX可以正常安装了

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作者：冥王 • 雷利 
来源：CSDN 
原文：https://blog.csdn.net/chao_1990/article/details/76959691 
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