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I updated (fresh install) to 16.04 on my Ubuntu Virtual Machine, I am unable to get permission to access my share folder:

  • share folder set to automount in virtualbox.

  • account is a member of "vboxsf".

This was not an issue under 14.04, the only way I have found to access the folder from within the guest is to gksudo nautilus then I can do whatever.

Anyone have any suggestions on how to fix this? Thanks!

Update: If I run ls -l on the folder, this is what I get:

drwxrwx--- 1 root vboxsf 12288 Jun 30 21:37 sf_tnyfgr3 
drwxr-x---+ 2 root root 4096 Jun 30 16:45 tnyfgr3
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  • if you do a ls -l on /media (or wherever your folder is mounted) what is the line of data associated with your folder? Jul 1 '16 at 0:52
  • this is what i get:
    – user169727
    Jul 1 '16 at 1:43
  • drwxrwx--- 1 root vboxsf 12288 Jun 30 21:37 sf_tnyfgr3 drwxr-x---+ 2 root root 4096 Jun 30 16:45 tnyfgr3
    – user169727
    Jul 1 '16 at 1:43
  • Hmm, that's the same as mine, which works properly. So the easy answer is not gonna help. Jul 1 '16 at 1:55
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Not sure if this answers your question but the following works for me;

sudo add myUsername vboxsf

Then restart and you should have full access

cd /media/sf_mySharedFolder/
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  • OP said their account is already a member of vboxsf, but other people certainly might find this useful.
    – wjandrea
    Feb 17 '17 at 17:03

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