Disable Fedora 18 Power Saving.

Temporary fix:

setterm -blank 0 -powersave off -powerdown 0

Edit /etc/default/grub
Add consoleblank=0 to GRUB_CMD_LINUX

Then:

sudo grub2-mkconfig -o /boot/grub2/grub.cfg
sudo grep ^menuentry /boot/grub2/grub.cfg

Sources:

• http://www.cyberciti.biz/tips/linux-disable-screen-blanking-screen-going-blank.html
• http://ubuntuforums.org/showthread.php?t=1366354