On Sun, 24 Jun 2018 20:11:29 +0100, RobH wrote:

> Then because of a reboot, I have to:
> pi@raspberrypi:~ $ sudo mount -t cifs -o username=root,password=*****
//192.168.0.22/CCTV/PiZero/ /mnt/CCTV/PiZero
>
> And now:
>
> pi@raspberrypi:/mnt/CCTV $ ls -l
> total 0
> drwxrwxr-x 2 root nogroup 0 Jun 24 18:55 PiZero

> So for some reason as soon  as the PIZero directory is mounted, it
> becomes owned by root, as above with sudo mount.
[..]
> Before I mount the PiZero directory it is owned by pi:pi, but after I
> mount the PiZero directory it is owned by root

Looking at
man 8 mount.cifs
I find:

       uid=arg
              sets  the  uid that will own all files or directories
              on the mounted filesystem when the server does not
              provide ownership information. It may be specified as
              either a username or a numeric uid. When not spec‐
              ified, the default is uid 0. The mount.cifs helper must
              be at version 1.10 or higher to support specify‐ ing
              the uid in non-numeric form. See the section on FILE
              AND DIRECTORY OWNERSHIP AND PERMISSIONS below for more
              information.

       gid=arg
              sets  the  gid that will own all files or directories
              on the mounted filesystem when the server does not
              provide ownership information. It may be specified as
              either a groupname or a numeric gid. When not
              specified, the default is gid 0. The mount.cifs helper
              must be at version 1.10 or higher to support specifying
              the gid in non-numeric form. See the section on FILE
              AND DIRECTORY OWNERSHIP AND PERMISSIONS below for more
              information.

FILE AND DIRECTORY OWNERSHIP AND PERMISSIONS
[lots of background]


So maybe it helps to add these options, like

sudo mount -t cifs -o username=root,password=*****,uid=pi,gid=pi
//192.168.0.22/CCTV/PiZero/ /mnt/CCTV/PiZero


gregor

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