restart xorg

setxkbmap -option terminate:ctrl_alt_bksp

set gnome-time-bar show date

gsettings set org.gnome.desktop.interface clock-show-date true

exclude kernel update in yum update

in /etc/yum.conf: exclude=kernel* or yum --exclude=kernel* update

something about install mayavi(Enthghout inc.)

maybe it's need vtk and vtk-devel and easy_install it again.