I am having a Samba share on a bananapi. On the pi I have created the user samba. Since the shares are also shared by owncloud, I have added samba to the group www-data.

If I am using Nautilus with the command smb://samba@cavalorn/data/ everything works just fine. I can read, write and navigate in every folder.

Then I want to add the shares to the fstab. I did this by adding the following line to the file:

//cavalorn/data /media/data cifs credentials=/home/daniel/.smbcredentials,iocharset=utf8,sec=ntlm,file_mode=0770,dir_mode=0770 0 0

With correct credentials in the referenced .smbcredentials file.

If I am using mount -a no error if thrown and the folder appears in the launcher. But I am not able to read or write any data.

Why can Nautilus do it, but mount somehow broke. Doesn't mount try to use samba as a user?

PS: I am using Ubuntu 15.10.

  • Since I want to mount the shares automatically... – Daniel Hitzel Mar 20 '16 at 12:37
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    I'm not an expert but I mount samba shares in fstab and they work. My fstab line differs from yours in that I have permissions set to 0777 instead of 0770, and I have uid=myusername,gid=myusername in the line as well. I am not sure what these differences mean, only that they work for me. – Organic Marble Mar 20 '16 at 12:44
  • I noticed that at my mount point the folders are listed as root:root, where it actually should be www-data:www-data – Daniel Hitzel Mar 20 '16 at 13:12
  • That could be a factor too. The mount points I use for the samba shares are listed as myusername:myusername whereas the mount points for my internal drives are root:root They all have the same permissions though, drwxrwxrwx – Organic Marble Mar 20 '16 at 13:16
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    Thanks using uid and gid solved it. At first I tried to use the uid and gid of the remote machine, but I have to use the ids of my local machine! – Daniel Hitzel Mar 20 '16 at 14:41

As @Organic Marble mentioned in the comments, the problem was, that the folder was mounted with root:root, so my user could not read or write it. Using uid and gid in my fstab mounted it as daniel:daniel.

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