摘要：作用：Nscd is a daemon that provides a cache for the most common name service requests可以缓存passwd，group，hosts，services，netgroup，其中如果用于缓存dns配置如下 enable-cache hosts yes positive-time-to-live hosts 3600 negative-time-to-live hosts 20 suggested-size hosts 211 check-files hosts yes persistent hosts y... 阅读全文