RPMFusion

sudo yum localinstall --nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm https://download1.rpmfusion.org/nonfree/el/rpmfusion-nonfree-release-7.noarch.rpm

WakeOnLan

yum install -y ethtool
ethtool eth0 | grep Wake-on Supports Wake-on: g Wake-on: d 
ethtool -s eth0 wol g
sudo ether-wake -i <interface> <mac address>