Linux Software Installation and uninstallation Yum

In addition to helping users install packages, they can also help customers resolve dependencies between packages

Yum itself is a package manager, and Yum's clients need to look for resources on the Package warehouse server if they want to install the program.

The Yum client downloads a list of software information from the package repository that contains the package information that is available on the Package warehouse server and the dependencies between packages. The package warehouse server will make a verification code for the list of software information, and each time the client uses Yum, it calculates a comparison between the checksum of the Software information list and the warehouse server, if not the same as the server software changes, need to re-download the software Information list.

The Yum program does not resolve the problem of restarting the installation after an abnormal termination in the last installation of the specified software. This problem can be solved DNF. Yum relies on Rpm,yum not a substitute for RPM. Createrepo can be used to create a program repository.   Yum:yellow Update Modifier. YUM Repository:yum Repo

Storage of many RPM packages, as well as the relevant metadata files of the package (placed in a specific directory, Repodata directory, this directory is the program warehouse path)

Linux Software Installation and uninstallation Yum