解决yum安装失败的一些经验

yum安装遇到的一些问题,今天mark一下


1.problem:

yum -y install docker-io
Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * base: mirrors.cn99.com
 * extras: mirrors.cn99.com
 * updates: mirrors.cn99.com
http://download.fedoraproject.org/pub/epel/6/i386/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


问题一开始其实没找准,问题在于红字部分,明显在提醒我  ssl 链接失败, 百度一下是证书过期,

solve:1.将  /etc/yum.repos.d/epel.repo 的enable改为0,

2.下载证书,yum install ca-certificates

3.安装成功后将步骤1的enable 改回1

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