Rawhide instructions: 1) Download Fedora netinstall image from here: http://dl.fedoraproject.org/pub/fedora/linux/releases/20/Fedora/x86_64/iso/Fedora-20-x86_64-netinst.iso 2) Upon booting Open a terminal and do the following: # yum -y remove open-vm-tools PackageKit # yum install fedora-release-rawhide -y edit the following files: /etc/yum.repos.d/fedora.repo /etc/yum.repos.d/fedora-updates.repo change enabled=1 to enabled=0 edit the following file: /etc/yum.repos.d/fedora-rawhide.repo change enabled=0 to enabled=1 # yum distro-sync -y vi /etc/default/grub and add "slub_debug=-" after the word quiet to disable kernel debugging. reboot cat /etc/redhat-release to confirm you are on Fedora Release 21 (Rawhide) To check versions of mate packages run "rpm -qa |grep mate"