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NAME

       systemd.automount - Automount unit configuration

SYNOPSIS

       automount.automount

DESCRIPTION

       A unit configuration file whose name ends in ".automount" encodes information about a file
       system automount point controlled and supervised by systemd.

       This man page lists the configuration options specific to this unit type. See
       systemd.unit(5) for the common options of all unit configuration files. The common
       configuration items are configured in the generic [Unit] and [Install] sections. The
       automount specific configuration options are configured in the [Automount] section.

       Automount units must be named after the automount directories they control. Example: the
       automount point /home/lennart must be configured in a unit file home-lennart.automount.
       For details about the escaping logic used to convert a file system path to a unit name see
       systemd.unit(5). Note that automount units cannot be templated, nor is it possible to add
       multiple names to an automount unit by creating additional symlinks to its unit file.

       For each automount unit file a matching mount unit file (see systemd.mount(5) for details)
       must exist which is activated when the automount path is accessed. Example: if an
       automount unit home-lennart.automount is active and the user accesses /home/lennart the
       mount unit home-lennart.mount will be activated.

       Automount units may be used to implement on-demand mounting as well as parallelized
       mounting of file systems.

AUTOMATIC DEPENDENCIES

   Implicit Dependencies
       The following dependencies are implicitly added:

       ·   If an automount unit is beneath another mount unit in the file system hierarchy, both
           a requirement and an ordering dependency between both units are created automatically.

       ·   An implicit Before= dependency is created between an automount unit and the mount unit
           it activates.

   Default Dependencies
       The following dependencies are added unless DefaultDependencies=no is set:

       ·   Automount units acquire automatic Before= and Conflicts= on umount.target in order to
           be stopped during shutdown.

FSTAB

       Automount units may either be configured via unit files, or via /etc/fstab (see fstab(5)
       for details).

       For details how systemd parses /etc/fstab see systemd.mount(5).

       If an automount point is configured in both /etc/fstab and a unit file, the configuration
       in the latter takes precedence.

OPTIONS

       Automount files must include an [Automount] section, which carries information about the
       file system automount points it supervises. The options specific to the [Automount]
       section of automount units are the following:

       Where=
           Takes an absolute path of a directory of the automount point. If the automount point
           does not exist at time that the automount point is installed, it is created. This
           string must be reflected in the unit filename. (See above.) This option is mandatory.

       DirectoryMode=
           Directories of automount points (and any parent directories) are automatically created
           if needed. This option specifies the file system access mode used when creating these
           directories. Takes an access mode in octal notation. Defaults to 0755.

       TimeoutIdleSec=
           Configures an idle timeout. Once the mount has been idle for the specified time,
           systemd will attempt to unmount. Takes a unit-less value in seconds, or a time span
           value such as "5min 20s". Pass 0 to disable the timeout logic. The timeout is disabled
           by default.

SEE ALSO

       systemd(1), systemctl(1), systemd.unit(5), systemd.mount(5), mount(8), automount(8),
       systemd.directives(7)