I have a samba share that does not require password. Here are non-default lines in my smb.conf:

map to guest = Bad User

        path = /home/distr
        public = yes
        writable = no

On RHEL6 I added this line to /etc/auto.master and it worked:

/cifs   /etc/auto.smb --timeout=60

But on Centos 7 attempt to access the share hangs and I see a broadcast message

[root@wc8 etc]# ls /cifs/okdistr/distr-ro

Broadcast message from root@wc8 (Wed 2016-03-02 03:51:45 EST):

Password entry required for 'Password for root@//okdistr/distr-ro:' (PID 10006).
Please enter password with the systemd-tty-ask-password-agent tool!
  • You need a better auto.smb script. Unfortunately, all those I found fail in various situations. I'm working on writing my own now... – mivk Jul 17 '18 at 9:16
  • @mivk guest mount option helps. See below. – basin Jul 17 '18 at 10:45
  • guest only "helps" if the server accepts listing shares without authentication of course. Which by default, most servers don't. – mivk Jul 17 '18 at 12:20

I had this same annoyance. Eventually, I ended up switching the automounting to systemd.

You have to create a file in /etc/systemd/system for the mount. Naming conventions require that to be named after the mount point with the path separator replaced by dashes. Since you have a dash in the name already, you'd have to figure out how to escape that.

In my case I added /etc/systemd/system/smb-Tomato.mount.

  Description=cifs mount script

  What=//<IP of server>/<path on server>
  Options=guest,uid=<my UID on client>,gid=<my GID on client>,rw

Then I had to enable and start this mount:

sudo systemctl enable smb-Tomato.mount
sudo systemctl start smb-Tomato.mount  

Since I wanted automount I also created a file /etc/systemd/system/smb-Tomato.automount containing:

  Description=cifs automount script



and simiarly enable and start this

sudo systemctl enable smb-Tomato.automount
sudo systemctl start smb-Tomato.automount  

So far I'm satisfied: the annoying broadcast message has disappeared.

After doing this I figured that just using the 'guest' mount option might have done the trick, but since I already have what I was after I did not revert to try this out.

  • Your last sentence was helpful: /cifs /etc/auto.smb --timeout=60 guest – basin Jul 17 '18 at 10:42

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