Date: Thu, 26 Feb 2015 15:50:45 -0600 From: "William A. Mahaffey III" <wam@hiwaay.net> Cc: "FreeBSD Questions !!!!" <freebsd-questions@freebsd.org> Subject: Re: problems mounting camera to download pics .... Message-ID: <54EF9535.9020409@hiwaay.net> In-Reply-To: <CAFKhKgpsqsOfADgb=oe737cxadr6yen1f6-SKpwaE2-VUcT%2BTw@mail.gmail.com> References: <54EF5A28.8010605@hiwaay.net> <20150226183930.477ed7b5.freebsd@edvax.de> <54EF601F.3070702@hiwaay.net> <20150226190921.94278d64.freebsd@edvax.de> <54EF80C2.3040803@hiwaay.net> <CAFKhKgpsqsOfADgb=oe737cxadr6yen1f6-SKpwaE2-VUcT%2BTw@mail.gmail.com>
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On 02/26/15 14:51, Andrew Gould wrote: > On Thu, Feb 26, 2015 at 2:23 PM, William A. Mahaffey III > <wam@hiwaay.net <mailto:wam@hiwaay.net>> wrote: > > On 02/26/15 12:09, Polytropon wrote: > > On Thu, 26 Feb 2015 12:04:15 -0600, William A. Mahaffey III wrote: > > On 02/26/15 11:39, Polytropon wrote: > > On Thu, 26 Feb 2015 11:38:48 -0600, William A. > Mahaffey III wrote: > > .... I am trying to mount my digital camera to > download some pics I just > took. When I do this as root, it works AOK & I got > the pics off. > However, when I changed my fstab file to > (supposedly) allow regular > users to mount that directory, the mount command > fails: > > > [wam@kabini1, ~, 11:33:11am] 530 % mount /media/flash/ > mount_msdosfs: /dev/da0s1: Operation not permitted > [wam@kabini1, ~, 11:35:58am] 530 % > > And with "sudo" prefix? :-) > > [wam@kabini1, ~, 11:58:22am] 568 % mount /media/flash/ > mount_msdosfs: /dev/da0s1: Operation not permitted > [wam@kabini1, ~, 11:58:25am] 569 % sudo mount /media/flash/ > mount_msdosfs: /dev/da0s1: mount option <users> is > unknown: Invalid argument > [wam@kabini1, ~, 11:58:27am] 570 % > > I didn't find the "users" option in "man mount" or "man > mount_msdosfs", > what is it supposed to do? What if you temporarily remove it? > > > A linuxism :-/ .... makes no difference either way, other than the > parsing error .... It's supposed to allow regular users to mount > that resource .... > > > > relevant lines from my fstab file: > > > /dev/da0s1 /media/flash msdosfs > rw,sync,noauto,longnames,-Lru_RU.UTF-8,users 0 > 0 > > Suggestion regarding msdosfs: add "-m=644,-M=755" to the > options to get rid of the fake +x attributes for the > files. > You could also add "noatime". > > Roger, wilco .... > > Not essential to solve the problem, but might be helpful for > further usage. > > > > Not a huge issue, since I can get 'er done as > root, but I don't see why > this shouldn't be feasible as a regular user .... > TIA & have a nice, > snowy (here) day ;-) .... > > Do you have the mandatory "vfs.usermount=1" in > /etc/sysctl.conf? > Also check the device permissions: User or group > requires rw for > the device and must own the mountpoint. > > .... & remember to change it in the command line as well, > done, still > the same problem .... my root dir: > > > [wam@kabini1, ~, 12:01:36pm] 570 % ll / > total 32890 > [...] > drwxr-xr-x 5 root wheel 512 Oct 26 08:01 media/ > [...] > So am I supposed to have /media group writable ? I did so > & same issue .... > > I think so. You can test this by temporarily chown'ing the > whole /media subtree to your user, and then run the command > as user (given that vfs.usermount is already set). > > You can find more info here (regarding user mount): > > https://www.freebsd.org/doc/handbook/usb-disks.html > > > Hmmmm .... this looks rather involved, I think I'll punt. I can > get stuff mounted by root, & I usually have a root window open, so > I'm OK as is. Thanks :-) .... > > -- > > William A. Mahaffey III > > ---------------------------------------------------------------------- > > > If you set the suid on mount and umount, users should be able to mount > and unmount devices. > > chmod u+s /sbin/*mount > > > Andrew OK, I'll try that & see, thanks :-) .... -- William A. Mahaffey III ---------------------------------------------------------------------- "The M1 Garand is without doubt the finest implement of war ever devised by man." -- Gen. George S. Patton Jr.
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