怎样在Fedora20上安装Gnome3

1、echo -e "[rhughes-f20-gnome-3-12-i386]\nname=Copr repo for f20-gnome-3-12 owned by rhughes (i386)\nbaseurl=Http://copr-be.cloud.fedoraproject.org/results/rhughes/f20-gnome-3-12/fedora-\$releasever-i386/\nskip_if_unavailable=True\ngpGCheck=0\ncost=900\nenabled=1\n\n[rhughes-f20-gnome-3-12-x86_64]\nname=Copr repo for f20-gnome-3-12 owned by rhughes (x86_64)\nbaseurl=http://copr-be.cloud.fedoraproject.org/results/rhughes/f20-gnome-3-12/fedora-\$releasever-x86_64/\nskip_if_unavailable=True\ngpgcheck=0\ncost=800\nenabled=1" > /etc/yum.repos.d/rhughes-f20-gnome-3-12.repo

2、yum update

3、老的系统：yum groupinstall "GNOME Desktop Environment"

   Fedora20以上：yum -y groupinstall gnome