My usb drive has id 580000911. It gets mounted as /media/ubuntu/580000911. I would like a udev rule to create a symbolic link to it like this /media/ubuntu/USBDRIVE. I created this udev rule file:

ACTION=="add", ENV{ID_BUS}=="usb", ENV{ID_FS_LABEL}=="58??????", \
RUN+="rm /media/ubuntu/USBDRIVE", \
RUN+="ln -s /media/ubuntu/$env{ID_FS_LABEL} /media/ubuntu/USBDRIVE"
ACTION=="remove", ENV{ID_BUS}=="usb", ENV{ID_FS_LABEL}=="58??????", \
RUN+="rm /media/ubuntu/USBDRIVE"

It does not work. I don't know if I am on the right track or not. Any suggestions?

  • I thought SYMLINK is meant for that? Aug 31 '17 at 22:14
  • I will see what I can learn about symlink. It seems like what I tried should work.
    – Bob
    Aug 31 '17 at 22:23
  • Have you tried using udevtest to debug the rule? Sep 1 '17 at 8:14
  • I see `\`, rules are oneliners so that should not be there Sep 1 '17 at 10:10
  • I use udevadm monitor to help write my scripts. Simply start it, then plug in and un-plug your USB stick. Copy and paste terminal output into your script. Sep 1 '17 at 10:15

This works:

ACTION=="add", ENV{ID_BUS}=="usb", ENV{ID_FS_LABEL}=="58??????", RUN+="/bin/rm /media/ubuntu/USB", RUN+="/bin/ln -s /media/ubuntu/$env{ID_FS_LABEL} /media/ubuntu/USB"
ACTION=="remove", ENV{ID_BUS}=="usb", ENV{ID_FS_LABEL}=="58??????", RUN+="/bin/rm /media/ubuntu/USB"

Apparently we have to use the complete pathname for any commands we want to run.

  • Would you please accept this answer as this what worked for you, so other users can find this solution easily. See tour
    – user.dz
    Sep 17 '17 at 9:02

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