Cd / Media Cd CentOS_6.8_Final / Cd Packages
Create a directory to copy files
mkdir /yum cp * /yum
Yum configuration source
cd /yum rpm -ivh deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
rpm -ivh python-deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
rpm -ivh createrepo-0.9.9-24.el6.noarch.rpm
createrepo .
cd /etc/yum.repos.d/
rm -rf *
vi yum.local.repo
[local] name=yum local repo baseurl=file:///yum gpgcheck=0 enable=1 #保存退出
yum clean all
yum install gcc