问题：【yum】Peer cert cannot be verified or peer cert invalid
yum 装包时，提示 [Errno 14] Peer cert cannot be verified or peer cert invalid
命令：# cat /etc/yum.repos.d/my-repo.repo
###################################
[my-repo]
name=repo name
baseurl=https://xx.xx.xx.xx
enabled=1
gpgcheck=1
gpgkey=https:///path/to/gpgkey
######################################
原因：yum server 的ca证书不被认可
解决方案：Adding “sslverify=false” in the ‘/etc/yum.conf’ file。
命令：vim /etc/yum.conf
