Basic file sharing using nemo

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No it does not

Remove the lines to clean up your /etc/fstab

That depends on what you mean with “flaky” :slight_smile: but if you update your system and kernel is updated or samba is updated - you will need to restart your system otherwise the sharing may fail.

When you have nofail in fstab there is no guarantee the path is available.

Possibly why you get the File Not Found message
If the device is a fixed device you should mount it at boot but if the device is a removable device you have an issue if the device is not available - your system will boot - but your share will fail.

When the path is mounted by the system it is mounted by root and permissions will reflect the fact. The permissions on the file system does not change because samba defines it otherwise.

If you want the mount location to be writable you will need to change permissions on the folder.

If the permissions is limited to your user - you can do

sudo g+w /mnt/DataLaptop
sudo chown root:$USER /mnt/DataLaptop

Even if you have defined the smb share DataLaptop as readwrite the filesystem will prevent write access if the mount point permissions do not allow it.

This is how I would do it

Posted as guide [root tip] [How To] Step By Step - File Share Using Samba

I have years of system admin practise with networks and servers so I have a very specific approach to separate the system and the file shares.

  1. Create a group called smbusers

    sudo groupadd smbusers

  2. Add yourself to that group (you need to log off for the group to take effect)

    sudo gpasswd -a $USER smbusers

  3. Ensure your user is in the samba password database

    sudo smbpasswd -a $USER

  4. Create the mountpoint /a/DataLaptop and assign group permissions

    sudo mkdir -p /a/DataLaptop
sudo chmod g+w /a/DataLaptop
sudo chgrp smbusers /a/DataLaptop

  5. Create a mount unit for your data disk/partition

    touch /etc/systemd/system/a-DataLaptop.mount

    Edit the mount unit

    [Unit]
Description=Mount build partition

[Mount]
What=/dev/disk/by-partlabel/DataLaptop
Where=/a/DataLaptop
Type=auto
Options=rw,noatime

[Install]
WantedBy=multi-user.target

  6. Start the mount unit

    sudo systemctl enable --now a-DataLaptop.mount

  7. Replace the content of your existing smb.conf with

    [global]
	server role = standalone server
	max log size = 50
	map to guest = Bad Password
	guest account = nobody
	unix password sync = yes
	passwd program = /usr/bin/passwd %u
	passwd chat = *New*UNIX*password* %n\n *ReType*new*UNIX*password* %n\n *passwd:*all*authentication*tokens*updated*successfully*
	obey pam restrictions = yes
	pam password change = yes
	server string = chameu samba service
	workgroup = CHAMEU
	log file = /var/log/samba/%m.log

[DataLaptop]
	path = /a/DataLaptop
	guest ok = no
	browseable = yes
	comment = Share for laptop exchange
	read only = no
	inherit permissions = no

  8. Restart your samba service

    sudo systemctl restart smb

  9. Ensure the service is discoverable

    sudo systemctl enable --now avahi-daemon