CentOS - Feb 2017 - Automounting a USB drive

Hello,

Been try to use autofs to mount and unmount a usb flashdrive.

The mount point is /media

When the drive is NOT inserted, /media is empty. When Iinsert the drive,
I see directories in /media that are on the usb drive but nocontent.

So, its kind working.

/etc/auto,master:

#
# Sample auto.master file
# This is a 'master' automounter map and it has thefollowing format:
# mount-point [map-type[,format]:]map [options]
# For details of the format look at auto.master(5).
#
/misc     /etc/auto.misc
#
# NOTE: mounts done from a hosts map will be mounted withthe
#             "nosuid"and "nodev" options unless the
"suid" and "dev"
#             optionsare explicitly given.
#
/net       -hosts
#
# Include /etc/auto.master.d/*.autofs
# The included files must conform to the format of thisfile.
#
+dir:/etc/auto.master.d
#
# Include central master map if it can be found using
# nsswitch sources.
#
# Note that if there are entries for /net or /misc (as
# above) in the included master map any keys that are the
# same will not be seen as the first read key seen takes
# precedence.
#
+auto.master

/media   /etc/auto.usb

/etc/auto.usb:

usb        -fstype=auto        :/dev/sdb1

The particular usb drive is a REAR backup drive but Iused -fstype=auto
in case it may be something different.

TIA

On Sun, Feb 12, 2017 at 06:19:34PM -0700, tdukes at palmettoshopper.com
wrote:
> 
> Hello,
> 
> Been try to use autofs to mount and unmount a usb flashdrive.
I've never had to do anything at all to make this work,...
I insert the USB device, wait a few seconds, and voila!

are you trying this because you can't get it to work the "normal"
way,
or is this simply an educational experience?

Fred
> 
> The mount point is /media
> 
> When the drive is NOT inserted, /media is empty. When Iinsert the drive,
> I see directories in /media that are on the usb drive but nocontent.
> 
> So, its kind working.
> 
> /etc/auto,master:
> 
> #
> # Sample auto.master file
> # This is a 'master' automounter map and it has thefollowing
format:
> # mount-point [map-type[,format]:]map [options]
> # For details of the format look at auto.master(5).
> #
> /misc     /etc/auto.misc
> #
> # NOTE: mounts done from a hosts map will be mounted withthe
> #             "nosuid"and "nodev" options unless the
"suid" and "dev"
> #             optionsare explicitly given.
> #
> /net       -hosts
> #
> # Include /etc/auto.master.d/*.autofs
> # The included files must conform to the format of thisfile.
> #
> +dir:/etc/auto.master.d
> #
> # Include central master map if it can be found using
> # nsswitch sources.
> #
> # Note that if there are entries for /net or /misc (as
> # above) in the included master map any keys that are the
> # same will not be seen as the first read key seen takes
> # precedence.
> #
> +auto.master
> 
> /media   /etc/auto.usb
> 
> /etc/auto.usb:
> 
> usb        -fstype=auto        :/dev/sdb1
> 
> The particular usb drive is a REAR backup drive but Iused -fstype=auto
> in case it may be something different.
> 
> TIA
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-- 
---- Fred Smith -- fredex at fcshome.stoneham.ma.us
-----------------------------
                    The Lord detests the way of the wicked 
                  but he loves those who pursue righteousness.
----------------------------- Proverbs 15:9 (niv) -----------------------------