LINUX Start a computer from a remote machine by Wake on Lan

Configuration of the computer you'd like to turn on from remote machine.
[root@dlp ~]#yum -y install ethtool
[root@dlp ~]#ethtool -s eth0 wol g
[root@dlp ~]#vi /etc/sysconfig/network-scripts/ifcfg-eth0
# add at the last line
ETHTOOL_OPTS="wol g"
[root@dlp ~]#ifconfig eth0 | grep HWaddr | awk '{print $5}'
00:22:68:5E:34:06 # take a memo
[root@dlp ~]#shutdown -h now 

 Operation on the computer at a remore place.
[root@wol ~]#yum -y install net-tools
# ether-wake [MAC address of the computer you'd like to turn on]
[root@wol ~]#ether-wake 00:22:68:5E:34:06 # send magick packets

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