[tmsu mount] Non-root VFS mount

[Victoria Stuart]

Hi!  Is this possible: mount my VFS (~/mp) without sudo access?  CentOS 6.

$ tmsu mount mp

tmsu: virtual filesystem mount failed: tmsu: could not mount virtual filesystem for database '/home/vstuart/.tmsu/default.db' at 'mp': could not mount virtual filesystem at 'mp': fork/exec /usr/bin/fusermount: permission denied

Systems (here) are not very helpful; or supportive, viz-a-viz (even these legitimate) requests; if I can so it myself, it's one less dependency (me >> them).

Thanks ...

[Paul Ruane]

Hi Victoria,

Yes, you should be able to mount as a regular user. The error suggests you do not have access to the fusermount tool in /usr/bin or that you do not have permission on the mp directory, though I assume you created that with the same user you are trying to mount the virtual filesystem with?

You will need to secure access to fusermount for TMSU to be able to mount the FUSE virtual filesystem and it needs permissions on the mount point directory too, though off hand I can't remember what permissions.

It might be worth showing me the output of the following:

    $ ls -l /usr/bin/fusermount
    $ ls -l MP
    $ whoami

Thanks,
Paul

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[Victoria Stuart]

Hi Paul!

First, could you check my / set the appropriate permissions for my in this Google Group?

https://groups.google.com/forum/#!topic/tmsu/-Rsdrh_Jw_k

I can't post online within that group (Chrome 40 on CentOS 6), nor can I reply to a message/post, there.

Second, as requested :-)  :

[vstuart@vstuart01-centos ~]$ sp
  [sp: switching to short path:]
 
vstuart:$ date
Thu Jan 29 08:46:24 PST 2015

vstuart:$ pwd
/home/vstuart

vstuart:$ ldir mp
  [ldir: ls -ld (-d: directories)]
drwxr-xr-x 2 vstuart users 4096 Jan 19 14:07 mp

vstuart:$ ls -l /usr/bin/fusermount
lrwxrwxrwx. 1 root root 15 Jan 14  2014 /usr/bin/fusermount -> /bin/fusermount

vstuart:$ whoami
vstuart

Thanks!  Victoria  :-)

==============================================================================

Paul Ruane
Jan 28 (15 hours ago)

Hi Victoria,

Yes, you should be able to mount as a regular user. The error suggests you do not have access to the fusermount tool in /usr/bin or that you do not have permission on the mp directory, though I assume you created that with the same user you are trying to mount the virtual filesystem with?

You will need to secure access to fusermount for TMSU to be able to mount the FUSE virtual filesystem and it needs permissions on the mount point directory too, though off hand I can't remember what permissions.

It might be worth showing me the output of the following:

    $ ls -l /usr/bin/fusermount
    $ ls -l MP
    $ whoami

Thanks,
Paul

==============================================================================

[Paul Ruane]

On Thursday, 29 January 2015 16:55:38 UTC, Victoria Stuart wrote:

Hi Paul!

First, could you check my / set the appropriate permissions for my in this Google Group?

https://groups.google.com/forum/#!topic/tmsu/-Rsdrh_Jw_k

I can't post online within that group (Chrome 40 on CentOS 6), nor can I reply to a message/post, there.

It took forever to find the setting but you should now be able to post.

 

vstuart:$ ls -l /usr/bin/fusermount
lrwxrwxrwx. 1 root root 15 Jan 14  2014 /usr/bin/fusermount -> /bin/fusermount

Could you please check the permissions on /bin/fusermount too as they are the symlink permissions rather than the target's.

Are you able to run fusermount directly or do you get permission denied?

Thanks,

Paul

[Victoria Stuart]

Yes: working now (Google Group) - *thank you*!  :-)

--------------------

vstuart:$ l /usr/bin/fusermount 

lrwxrwxrwx. 1 root root 15 Jan 14  2014 /usr/bin/fusermount -> /bin/fusermount

vstuart:$ l /bin/fusermount 

-rwsr-x--- 1 root fuse 32K Dec  7  2011 /bin/fusermount

vstuart:$ fusermount

bash: /usr/bin/fusermount: Permission denied

[Paul Ruane]

OK, looks like that's the problem: fusermount is set to be executable only by its owner (root) and members of the 'fuse' group. You will need to be added to the 'fuse' group in order to have execute permissions on that file. Your system administrator should be able to sort you out in exchange for his preferred beverage.

Paul

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