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Maverick32
Asked: 2019-03-07 13:56:23 +0800 CST

Ubuntu 18.04 Cifs Mount not showing files on boot

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I've just moved over to Linux (Ubunutu 18.04) from Windows.

I have a WDNAS which I have mounted and works fine here.

mkdir mnt/NAS
sudo nano /etc/fstab

//192.168.1.17/wd_nas mnt/wdnas cifs credentials=/home/ubuntu/login.cred,uid=1000,gid=1000 0 0

Running sudo mount -a mounts as expected and I can see the share fine. It also appears in the gui Nautilus file manager.

The issue is, after a reboot the mount appears to have gone. It doesn't appear in file manager. It only works when run sudo mount -a.

df -h shows it mounted. //192.168.1.17/wd_nas 3T 1.2T 1.5T 30% /mnt/wd_nas

cat /var/log/syslog/ |grep wd_nas
Mar  6 20:51:22 ubuntu systemd[1]: Mounting /mnt/wd_nas
Mar  6 20:51:22 ubuntu systemd[1]: Mounted /mnt/wd_nas

If I run ls -la /mnt/wd_nas I can see the files I have placed there as test but if I navigate via the gui (nautilus file manager) I can't see anything?

So my first assumption was permissions but I checked and confirmed. Directories and all subs are chown to user with rw access. Googling frantically for days, I've tried almost everything I could find. Even topics relating the network not booting before fstab is being run, so adding _netdev and even configuring systemd. I've even tried to create a bash script to sleep for 20s and run mount -a via cron at reboot. Nothing! Although it doesn't at all appear to be related.

Now I'm here. Would you be able to help?

fstab permissions samba mount cifs

2 Answers

  1. I've figure it out after a painful week.

    fstab was creating the mount point at /mnt which i believe is the root dir. So that is why df -h was showing it mounted, as it was, just elsewhere.

    Was - //192.168.1.17/wd_nas mnt/wdnas

    Now - //192.168.1.17/wd_nas /home/user/mnt/wdnas

    Found this definition here in this forum..

    "Using the /mnt directory should only work if the drive is a local volume rather than a network share or removable device."

    Apologies, i'm new to Linux.

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  2. Best Answer

    On my UBUNTU 18.04 server and for my Synology NAS i have create 2 files script :

    after install

    apt-get install cifs-utils

    The first:

    nano ./mount.nas.sh 
mount -t cifs //192.168.1.xxx/home /mnt/NAS-xxx -o username=philippe,credentials=/home/philippe/.credential.phil,domain=WORKGROUP,vers=1.0

chmod 755 ./mount.nas.sh

    the second : 

    nano ./.credential.phil
username=<username on NAS>
password=<Password>

 chmod 700 ./credential.phil

    all are OK for a backup.shell script for test use 

    umount -f -l /mnt/NAS-xxx
df -h
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