这是个实操题,你去安装啊大哥
1、mkdir /mnt/cdrom
2、mount CentOS-7.0-1406* /mnt/cdrom
3、编辑 /etc/yum.repos.d/Centos.repo文件
修改baseurl=file:///mnt/cdrom
保存退出;然后执行yum clean all;yum makecache
4、rpm -qa |grep httpd
卸载:rpm -e `rpm -qa |grep httpd`
安装:yum install httpd* -y