Yum source migration (after thought and operation)
Preparatory work, there is a machine that can be connected with liunx system.
First, download the yum series packages from the Networked Machine (the Yum command can only be installed in the form of an installation package if it does not exist, regardless of the absence of the yum command)
Modify the configuration file so that the yum command can only download, install, download or install the reserved packet.
Move the downloaded package to a net free environment machine. FTP hanging with you
Go to the package directory to configure the current package using the createrepo command.
Modify the repo configuration file for the netless machine, or add one of your own configuration files, baseUrlfile, to point to the local installation package path