How to modify yum local source in linux

Mkdir/mnt/cdrom/

Cd/etc/yum. repos. d/
Mv CentOS-Base.repo CentOS-Base.repo.bak
Vi cdrom. repo
[Name]
Name = yum
Gpgcheck = 0
Enabled = 1
Baseurl = file: // mnt/cdrom/

Ls/etc/yum. repos. d/
Cdrom. repo CentOS-Base.repo.bak CentOS-Media.repo

Attach a CD:

Mount/dev/cdrom/mnt/cdrom/

Attach a CD to/mnt/cdrom/
Run the following command:

Yum makecache

Yum-y install lrzsz

The test is installed successfully.

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Modify the yum local source in the RedHat system:

Vi cdrom. repo
[Name]
Name = yum
Gpgcheck = 0
Enabled = 1
Baseurl = file: // mnt/cdrom/Server
Modify:/etc/yum. conf
Gpgcheck = 1
To:
Gpgcheck = 0

The procedure is the same.

Attachment: Modify the yum local source script (right-click --> Save target)
Mount the CD and run the script.