centos5.4系统，在vmware虚拟机中，配置本地yum源

#!/bin/sh
#Modify yum source

#2.mount cdrom
 mkdir /mnt/cdrom
 mount /dev/cdrom /mnt/cdrom
#3. clean yum file 
 cd /etc/yum.repos.d
 rename .repo .repo.bak  *.repo
#4. make a new yum file 
 touch local.repo
  echo ‘[local_server]‘ >> local.repo
  echo ‘name=this is a local repo‘ >> local.repo
  echo ‘baseurl=file:///mnt/cdrom‘ >> local.repo
  echo ‘enabled=1‘ >> local.repo
  echo ‘gpgcheck=0‘ >> local.repo
#5.other commond about yum
  yum clean all
  yum makecache
  yum list