EXPORTFS(8) COMMAND REFERENCE EXPORTFS(8) NAME exportfs - export and unexport directories to NFS clients SYNOPSIS /usr/etc/exportfs [ -avui ] [ -o options ] [ directory ] DESCRIPTION exportfs makes a local directory (or file) available for mounting over the network by NFS clients. It uses information contained in the /etc/exports file to export a directory (which must be specified as a full pathname). The super-user can run exportfs at any time to alter the list or characteristics of exported directories. Directories that are currently exported are listed in the file /etc/xtab. With no options or arguments, exportfs prints out the list of directories currently exported. OPTIONS -a All. Export all directories listed in /etc/exports, or if -u is specified, unexport all of the currently exported directories. -v Verbose. Print each directory as it is exported or unexported. -u Unexport the indicated directories. -i Ignore the options in /etc/exports. Normally, exportfs will consult /etc/exports for the options associated with the exported directory. -l Default options are listed below. -o options Specify a comma-separated list of optional characteristics for the directory being exported. options can be selected from among: ro Export the directory read-only. If not specified, the directory is exported read-write. rw=hostname[:hostname]... Export the directory read-mostly. Read-mostly means exported read-only to most machines, but read-write to those specified. If not specified, the directory is exported read-write to all. anon=uid If a request comes from an unknown user, use uid as the effective user ID. Note: root users (uid 0) are always considered "unknown" by the NFS server, Printed 4/6/89 1
EXPORTFS(8) COMMAND REFERENCE EXPORTFS(8) unless they are included in the "root" option below. The default value for this option is -2. Setting the value of ``anon'' to -1 disables anonymous access. root=hostname[:hostname]... Give root access only to the root users from a specified hostname. The default is for no hosts to be granted root access. access=client[:client]... Give mount access to each client listed. A client can either be a hostname, or a netgroup (see netgroup (5)). Each client in the list is first checked for in the /etc/netgroup database, and then the /etc/hosts database. The default value allows any machine to mount the given directory. FILES /etc/exports static export information /etc/xtab current state of exported directories CAVEATS You cannot export a directory that is either a parent- or a sub-directory of one that is currently exported and within the same filesystem. It would be illegal, for example, to export both /usr and /usr/local if both directories resided in the same disk partition. SEE ALSO exports (5), netgroup (5) Printed 4/6/89 2
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