a ventilating fan DIY

I bought a ventilating fan and fixed in coner of my room in myopinion this is Awesome~ HAHA

What is DIY?

DIY is recently made meaning is "Do It Yourself"

linux iptables

Korea Site IP tables 설정 http://blog.naver.com/PostView.nhn?blogId=dzknight&logNo=20186884051 America Site http://www.cyberciti.biz/tips/linux-iptables-examples.html