【系統】How do I refresh DNS cache?

在windows中，利用指令列模式下達
ipconfig /flushdns

Liunx系列

經過查詢
http://www.tech-faq.com/flush-dns.shtml
In Linux, the nscd daemon manages the DNS cache.
To flush the DNS cache, restart the nscd daemon.
To restart the nscd daemon, use the command `/etc/init.d/nscd restart

證實 linux 中，dns cache 是說 nscd 的小惡魔來控制
要清楚dns cache 的方法就是重啟這個服務

對岸同胞還做了個字典
http://www.chineselinuxuniversity.net/linuxdict/14039.shtml

nscd就是
GNU C Library: Name Service Cache Daemon A daemon which handles passwd, group and host lookups for running programs and caches the results for the next query. You should install this package only if you use slow Services like LDAP, NIS or NIS+

[root@www /]# service nscd
用法：/etc/init.d/nscd {start|stop|status|restart|reload|condrestart}
You have new mail in /var/spool/mail/root
[root@www /]# service nscd status
nscd 已停止

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