yum通过代理访问
执行
sudo su
export http_proxy=http://{{proxy address}}:{{proxy port}}
export https_proxy=http://{{proxy address}}:{{proxy port}}
yum clean all
yum install {{something}}
执行
sudo su
export http_proxy=http://{{proxy address}}:{{proxy port}}
export https_proxy=http://{{proxy address}}:{{proxy port}}
yum clean all
yum install {{something}}