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GNU/Linux |
RedHat 9.0(Shrike) |
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automount(8) |
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automount − configure mount points for autofs
automount [options] mount-point map-type[,format] map [map-options]
The automount program is used to configure a mount point for autofs, the inlined Linux automounter. automount works by taking a base mount-point and map file, and using these (combined with other options) to automatically mount filesystems within the base mount-point when they are accessed in any way. The filesystems are then autounmounted after a period of inactivity.
−p, −−pid-file
Write the pid of the daemon to the specified file.
−t, −−timeout
Set the minimum timeout, in seconds, until directories are unmounted. The default is 5 minutes. Setting the timeout to zero disables unmounts completely.
−v, −−version
Display the version number, then exit.
automount
takes at least three arguments. Mandatory arguments include
mount-point, map-type and map. Both
mandatory and optional arguments are described below.
mount-point
Base location for autofs-mounted filesystems to be attached. This is a directory name which must already exist.
map-type
Type of map used for this invocation of automount. The following are valid map types:
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file |
The map is a regular text file. |
program
The map is an executable program, which is passed a key on the command line and returns an entry on stdout if successful.
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yp |
The map is a NIS (YP) database. |
nisplus
The map is a NIS+ database.
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hesiod |
The map is a hesiod database whose filsys entries are used for maps. | ||
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ldap |
map names are of the form [servername:]basedn, where the optional servername is the name of the LDAP server to query, and basedn is the DN to do a subtree search under. Entries are automount objects in the specified subtree, where the cn attribute is the key (the wildcard key is "/"), and the automounterInformation attribute contains the information used by the automounter. Documentation on the schema used by this module is available online at http://docs.iplanet.com/docs/manuals/directory/411ext/nis/mapping.htm. |
format Format of the map data; currently the only formats
recognized are sun, which is a subset of the Sun automounter map format, and hesiod, for hesiod filesys entries. If the format is left unspecified, it defaults to sun for all map types except hesiod.
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map |
Location of mapfile to use. This is an absolute UNIX pathname in the case for maps of types file or program, and the name of a database in the case for maps of type yp, nisplus, or hesiod. |
options
Any remaining command line arguments without leading dashes (−) are taken as options (−o) to mount. Arguments with leading dashes are considered options for the maps.
If the automount daemon catches signal USR1, it will unmount all currently unused autofs-mounted filesystems and continue running (forced unmount.) If it catches signal USR2 it will unmount all unused autofs-mounted filesystems and exit if all filesystems were unmounted. Busy filesystems will not be unmounted.
autofs(5), mount(8).
A whole slew of missing desirable features (see TODO file).
The documentation leaves a lot to be desired.
Please report other bugs along with a detailed description to <autofs@linux.kernel.org>. To join this mailing list, send a message with the line "subscribe autofs" to <majordomo@linux.kernel.org>.
H. Peter Anvin <hpa@transmeta.com>
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automount(8) | |