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<span style="font-weight:bolder; color:#3333FF"><span class="text_head0">鸟哥的<span class="text_head_en"> 
	Linux </span>私房菜</span></span><br />
<span style="color:#000080">为取得较佳浏览结果，请爱用 <a href="http://moztw.org" target="_blank">firefox</a>
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<!-- 本文的档头部分 -->
<div style="text-align:center">
    <a href="0330nfs.php">
    <span class="text_head0"><span class="text_head_en">NFS </span>伺服器</span></a><br />
</div>
    <div style="text-align:left">
        <a href="0330nfs.php?thisscreen=800x600"><!--切换解析度为 800x600--></a>
    </div>
    <div style="text-align:right">
        <span class="text_history">最近更新日期∶2007/02/27</span>
    </div>


<!-- 本文的档头部分 -->
<table class="head1" summary="排版∶文章档头的说明"><tr><td class="head1">
	NFS为 Network FileSystem 的简称，最早之前是由 Sun 这家公司所发展出来的，他的目的就是想让不同的机器、
	不同的作业系统可以彼此分享个别的档案啦！目前在 Unix Like 当中用来做为 file server 
	是相当不错的一个方案喔！基本上， Unix Like 主机连接到另一部 Unix Like 主机来分享彼此的档案时，使用 
	NFS 要比 SAMBA 这个伺服器快速且方便的多了！此外， NFS 的设定真的很简单，几乎只要记得启动 Remote
	Procedure Call 这个咚咚 (RPC, 就是 portmap 这个套件啦！) 就一定可以架设的起来！真是不错啊！不过，如果要达成
	Windows 与 Linux 之间的沟通，那么还是以 SAMBA 比较容易啊！无论如何， NFS
	还是可以做为小公司或学校单位内部 Unix Like 机器共享 file 的一个 Server 喔！
</td></tr></table><br />

<!-- 本文的连结区部分 -->
<div class=block1>
<span class="text_h1">
1. <a href="#before">本章的行前准备工作</a><br />
2. <a href="#What_NFS_0">NFS 的由来与其功能</a><br />
	<span class=text_h2>
	    2.1 <a href="#What_NFS_NFS">什么是 NFS ( Network FileSystem )</a><br />
	    2.2 <a href="#What_NFS_RPC">什么是 RPC ( Remote Procedure Call )</a><br />
	    2.3 <a href="#What_NFS_daemons">NFS 启动的 RPC daemons</a><br />
	    2.4 <a href="#What_NFS_perm">NFS 的档案存取权限</a><br />
	</span>
3. <a href="#nfsserver">NFS Server 端的设定</a><br />
	<span class=text_h2>
	    3.1 <a href="#nfsserver_need">所需要的套件</a><br />
	    3.2 <a href="#nfsserver_nfs">NFS 的套件结构</a><br />
	    3.3 <a href="#nfsserver_exports">/etc/exports 设定档的语法与参数</a><br />
	    3.4 <a href="#nfsserver_startup">启动 NFS</a>∶ <a href="#rpcinfo">rpcinfo</a><br />
	    3.5 <a href="#nfsserver_look">NFS 的连线观察</a>∶ <a href="#showmount">showmount</a>, 
		<a href="#etab">/var/lib/nfs/etab</a>,
		<a href="#exportfs">exportfs</a><br />
	    3.6 <a href="#nfsserver_security">NFS 的安全性</a><br />
	</span>
4. <a href="#nfsclient">NFS 用户端的设定</a><br />
	<span class=text_h2>
	    4.1 <a href="#nfsclient_servermount">远端 NFS 伺服器的挂载</a><br />
	    4.2 <a href="#nfsclient_mount">用户端可处理的挂载参数与开机挂载</a><br />
	    4.3 <a href="#nfsclient_nonmount">无法挂载的原因分析</a><br />
	    4.4 <a href="#nfsclient_autofs">自动挂载 autofs 的使用</a><br />
	</span>
5. <a href="#exec">案例演练</a><br />
6. <a href="#review">重点回顾</a><br />
7. <a href="#ex">课后练习</a><br />
8. <a href="#reference">参考资料</a><br />
<span class=text_h2>
9. <a href="http://phorum.vbird.org/viewtopic.php?p=114695"
        target="_blank">针对本文的建议∶http://phorum.vbird.org/viewtopic.php?p=114695</a><br />
</span>
</span>
</div>


<!-- 本文的正式部分 -->
<hr /><a NAME="before"></a><img src="images/penguin-m.gif" alt="大标题的图示" height="34" width="25" align="middle" /><span class="text_h1">本章的行前准备工作</span><br />
<div class=block1>
	NFS 这个藉由网路分享档案系统的服务在架设的时候是很简单的，不过，他最大的问题在于『权限』方面的概念！
	因为在用户端与伺服器端可能必须要具备相同的帐号才能够存取某些目录或档案。
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