转载自：http://blog.youkuaiyun.com/abing37/article/details/4951154

转载自：http://www.cnblogs.com/huangbin/p/3219740.html

参考:1.https://trac.edgewall.org/wiki/TracOnUbuntu2.http://blog.youkuaiyun.com/robertkun/article/details/79621233.https://my.oschina.net/Sebastian/blog/219805?p=14.http://www.cnblogs.com/hpuCode/p/405