CentOS7创建物理卷

#　mkdir -p /media/cdrom
#　mount /dev/cdrom /media/cdrom
mount: /dev/sr0 is write-protected, mounting read-only

１、创建挂载文件夹，挂载

２、修改配置文件

# cd /etc/yum.repos.d/
# ls
# vi CentOS-Media.repo

３．下载　httpd　服务,启动服务，加入开机启动项

yum install -y httpd
systemctl start httpd
systemctl end httpd

4、安装

curl 127.0.0.1