[数据库](%E7%AC%94%E8%AE%B0/%E5%90%8E%E7%AB%AF/%E6%95%B0%E6%8D%AE%E5%BA%93.md) [node](%E7%AC%94%E8%AE%B0/%E5%90%8E%E7%AB%AF/node.md) [egg](%E7%AC%94%E8%AE%B0/%E5%90%8E%E7%AB%AF/egg.md) [ubantu服务器](ubantu%E6%9C%8D%E5%8A%A1%E5%99%A8.md)