If you are wondering what mrepo actually is, YAM has been renamed and changed to mrepo. mrepo builds a local APT/Yum RPM repository from local ISO files, downloaded updates, and extra packages from 3rd party repositories. It takes care of setting up the ISO files, downloading the RPMs, configuring HTTP access and providing PXE/TFTP resources for remote network installations.

Developers at first had mrepo in mind to assign remote network installation. Let us take and example of a laptop where you can install various distributions without the help of a CD/DVD or floppy. mrepo also helps in maintaining centralized update server.

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