CentOS通过本地镜像实现yum安装

步骤一：创建挂载目录，挂载本地镜像
mkdir /media/cdrom
mount -o loop /home/osimage/CentOS-6.2-x86_64-bin-DVD1.iso /media/cdrom

步骤二：设置yum安装配置文件
[root@HLZ ~]# vim /etc/yum.repos.d/CentOS-Media.repo
[c6-media]
name=CentOS-$releasever - Media
baseurl=file:///media/CentOS/
        file:///media/cdrom/
gpgcheck=1
enabled=1                                            # 设置1则生效
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

步骤三：执行yum安装命令
[root@HLZ ~]# yum install libxml2
[root@HLZ ~]# yum install libxml2-devel -y