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Enabling SAMBA

PiBuilder can enable SMB services as an option.

Installing SAMBA

PiBuilder assumes that you have a working configuration that you want to preserve across rebuilds. If you do not have a working configuration, you need to do that first. You may find the following tutorials helpful:

Note:

  • Tutorials differ in the packages they tell you to install. You only need:

     $ sudo apt install -y samba smbclient

    The samba package includes samba-common and samba-common-bin so you do not need to install those separately.

Enabling remote-mount of home directory

If you want to remote mount your Raspberry Pi's home directory onto another machine, the simplest approach is:

  1. Use sudo and edit /etc/samba/smb.conf

  2. Find the following:

    [homes]
   comment = Home Directories
   browseable = no

# By default, the home directories are exported read-only. Change the
# next parameter to 'no' if you want to be able to write to them.
   read only = yes

  3. Make it look like this:

    [homes]
   comment = Home Directories
   browseable = yes

# By default, the home directories are exported read-only. Change the
# next parameter to 'no' if you want to be able to write to them.
   read only = no

  4. Restart the service:

    $ sudo service smbd restart

Adding to PiBuilder

After you have SAMBA working on your Raspberry Pi, you need to preserve three files:

  1. Your configuration:

    $ cp /etc/samba/smb.conf $HOME

  2. Any SAMBA credentials you may have set up:

    $ touch $HOME/passdb.tdb
$ sudo cp /var/lib/samba/private/passdb.tdb $HOME/passdb.tdb

  3. Host-specific information generated when SAMBA is first installed on any given host:

    $ touch $HOME/secrets.tdb@$HOSTNAME
$ sudo cp /var/lib/samba/private/secrets.tdb $HOME/secrets.tdb@$HOSTNAME

    @HOSTNAME syntax is used because secrets.tdb contains host-specific information. While you may use common smb.conf and passdb.tdb files on several hosts, you should obtain secrets.tdb from the host on which it was created.

Next, navigate to the top level of your copy of PiBuilder and create two directories:

$ cd ~/PiBuilder
$ mkdir -p boot/scripts/support/etc/samba boot/scripts/support/var/lib/samba/private

Finally:

  1. Move smb.conf into ~/PiBuilder/boot/scripts/support/etc/samba; and
  2. Move the .tdb files into ~/PiBuilderboot/scripts/support/var/lib/samba/private.

PiBuilder detects the presence of smb.conf and uses it as a trigger to:

  1. Install SAMBA;
  2. Replace the default versions of the three files with your custom versions; and
  3. Create $HOME/share as a home for your SMB mount points.

Caution

The smb.conf file can change across OS versions (eg Bullseye to Bookworm).

If you are planning to upgrade, is a good idea to install SAMBA and configure it by hand.