http://www.linuxidc.com/Linux/2017-03/142087.htm
挂载本地ISO
mount -o loop /home/iso/RHEL-server-7.0-x86_64-LinuxProbe.Com.iso /home/mnt/
[root@localhost ~]# cat /etc/yum.repos.d/rhel7.repo
[rhel7]
name=rhel7
baseurl=file:///home/mnt 本地挂载修改此处
enabled=1
gpgcheck=0
================================================================
设置开机自动挂载
/home/iso/RHEL-server-7.0-x86_64-LinuxProbe.Com.iso
[root@localhost ~]# cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Tue Nov 21 14:36:54 2017
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
/dev/mapper/rhel-root / xfs defaults 1 1
UUID=06b04026-3086-4e19-8135-4fd29a49d568 /boot xfs defaults 1 2
UUID=9FDC-687A /boot/efi vfat umask=0077,shortname=winnt 0 0
/dev/mapper/rhel-home /home xfs defaults 1 2
/dev/mapper/rhel-swap swap swap defaults 0 0
/home/iso/RHEL-server-7.0-x86_64-LinuxProbe.Com.iso /home/mnt iso9660 loop 0 0