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Linux.com: Automounter Madness

Feb 27, 2004, 08:30 (1 Talkback[s])
(Other stories by Brian Jones)


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"The world of automounters is a confusing one. For one thing, a single automounter wasn't enough, so there are two of them for Linux, called 'amd' and 'autofs'. While it's easy to say 'well, just pick one and go on your way', many environments have demands that will require both, and both serve different purposes and have different strengths and weaknesses. The automounter world is not so cut and dry. In this article, I'll give a light overview of what amd and autofs look like, what their respective purposes are in life, and go over some of the common configuration options for each. Later, I'll spice things up by including use cases where one will work better than the other and more advanced features available to you as an administrator.

"Automounters can be a real pain in the neck. Admins don't like things that are a pain in the neck, so one should be able to gather that if we're putting up with these things, they must be pretty darn useful--and they are. For one thing, automounters can get their mounting information from centralized 'maps', which can be flat files, or even NIS maps or sections of an LDAP directory. This is far easier than editing 300 /etc/fstab files for different static NFS mounts..."

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