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mlocate (Merging Locate) is a more secure version of the locate utility, that only shows files accessible to the user.

locate is a common Unix tool for quickly finding files by name. It offers speed improvements over the find tool by searching a pre-constructed database file, rather than the filesystem directly. The downside of this approach is that changes made since the construction of the database file cannot be detected by locate. This problem can be minimised by scheduled database updates.


Install the mlocate package.

While the GNU findutils also include a locate implementation, Arch's findutils package does not.


Before locate(1) can be used, the database will need to be created, this is done with the updatedb(8) command, which (as the name suggests) updates the database.

The package contains an updatedb.timer unit, which invokes a database update each day. The timer is enabled right after installation, start it manually if you want to use it before reboot. You can also manually run updatedb as root at any time.

To save time, updatedb can be (and by default is) configured to ignore certain filesystems and paths by editing /etc/updatedb.conf. updatedb.conf(5) describes the semantics of this file. It is worth noting that among the paths ignored in the default configuration (PRUNEPATHS) are /media and /mnt, so locate may not discover files on external devices.

See also