아파치 모듈 프로그래밍

http://blog.ilovelinux.org/2013/10/apache-http-server-24-module-guide_6.html

http://prettymonkey02.tistory.com/1051

http://xpace.tistory.com/131

http://bloodguy.tistory.com/entry/%EB%9D%BC%EC%A6%88%EB%B2%A0%EB%A6%AC-%ED%8C%8C%EC%9D%B4%EC%97%90%EC%84%9C-%EC%95%84%ED%8C%8C%EC%B9%98-%EB%AA%A8%EB%93%88-%EA%B0%9C%EB%B0%9C%ED%95%98%EA%B8%B0-raspberry-pi-apache-module-apxs