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Asked: 2024-09-24T21:49:56+05:30 In:

I am trying to mount a CIFS/SMB share on my Ubuntu system, but I keep encountering permission errors. Despite following the standard procedures, I can’t seem to access the shared folder. What steps can I take to resolve this issue and successfully mount the share without any permission problems?

I’m in a bit of a pickle and hoping someone here can help me out. I’ve been trying to mount a CIFS/SMB share on my Ubuntu system, but I keep running into these annoying permission errors. It’s getting really frustrating because I’ve followed all the standard procedures, and I can’t figure out what’s going wrong.

Here’s the situation: I’ve got this shared folder on a network drive that I need to access regularly. I’ve double-checked all the credentials—username and password are correct. I even confirmed that the share is indeed up and running since I can access it from other devices without any issues. But every time I try to mount it on my Ubuntu machine, I get slapped with a permission error. It’s like the universe is telling me I can’t have access!

I’ve been reading up on it and tried a few things already, like making sure that the `cifs-utils` package is installed. I also verified that my Ubuntu system can actually communicate with the server hosting the shared folder—pinging works fine, no issues there. I tried using `sudo mount -t cifs` with the right options, but I keep getting stuck when it comes to permissions.

What’s even weirder is that I can mount other shares without any problems, it’s just this particular one. I’ve checked the firewall settings, and everything seems to be in order. I’ve also looked into the `/etc/samba/smb.conf` file, but I don’t think I’m seeing anything out of the ordinary.

If anyone has dealt with something similar or knows what steps I might be missing here, I’d really appreciate the help. Are there any specific permissions I should be looking for on the network share itself? Or maybe I’m missing some obscure command or option in the mount command? Any insight would be super helpful! Thanks!

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    1. Mounting CIFS/SMB Share Issues on Ubuntu

      Seems like you’re in a bit of a tough spot!

      Dealing with permission errors can be super annoying, especially when everything else seems to be working fine.

      Since you mentioned that you’re able to mount other shares without issues, it definitely sounds like this specific share might have some unique permission settings that could be causing the headache.

      Here are a few things you could try:

      • First, double-check the share’s permissions on the server side. Sometimes the share itself might have restrictions that don’t allow certain users or IP addresses.
      • Make sure the username you’re using has the right permissions for that specific shared folder. It might be worth resetting the password just to be sure.
      • If you’re using the command line, try adding a few options to your mount command: 
        sudo mount -t cifs //server/share /mountpoint -o username=yourUsername,password=yourPassword,vers=3.0,file_mode=0777,dir_mode=0777

        Sometimes specifying the version can help, especially with SMB shares.

      • Check your `/etc/fstab`. If you’re trying to mount it at boot, make sure you’re using the right options there too. Just be careful with that file; it can be a bit tricky!
      • Consider the security settings on the share—if your share uses NTLMv2, make sure you’re specifying that in your mount options. This is sometimes needed for newer SMB versions.

      If you’re still stuck, you might want to look at the logs for more clues. You can check the syslog or dmesg to see if there’s any helpful error information being spit out when you try to mount.

      Good luck!

      Hopefully, one of these suggestions will help you get to the bottom of this issue. Don’t give up!


    2. It sounds like you’re facing a challenging permissions issue while trying to mount a CIFS/SMB share on your Ubuntu system. Since you’ve confirmed that your credentials are correct and that the share is accessible from other devices, it’s plausible that the problem lies in the permissions granted for that specific share. First, double-check the share’s access permissions on the server itself. Ensure that the user account you’re using is permitted to access the directory in question. It may also be beneficial to verify the security settings on the server to rule out any IP restrictions or account lockouts that might affect access from your Ubuntu machine.

      In addition to checking share permissions, consider possible issues with the mount command options you’re using. When executing the `sudo mount -t cifs` command, make sure that you’re including parameters such as `file_mode`, `dir_mode`, and `uid` or `gid` to set the appropriate ownership permissions on the mounted share. An example command might look like this: `sudo mount -t cifs //server/share /mnt/mountpoint -o username=user,password=pass,file_mode=0777,dir_mode=0777`. Furthermore, examine if SELinux or AppArmor might be enforcing additional security restrictions that could interfere with the mount operation. If these adjustments don’t resolve the issue, it may help to review log files like `/var/log/syslog` or `/var/log/samba/log.smbd` for any error messages that could shed light on the permissions problem you’re facing.

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