smbpasswd – Samba User and Password Management Tool

The smbpasswd command is a tool for managing Samba user accounts and passwords. Samba is an open-source software suite that allows Linux systems to communicate with Windows systems, providing file and print services to clients. The smbpasswd command is used to set or change passwords for Samba users, as well as to add or delete Samba users.

Overview

The smbpasswd command is used to manage Samba user accounts and passwords. Here are some common use cases:

Setting a Password for a Samba User

To set a password for a Samba user, use the following command:

smbpasswd -a username

You will be prompted to enter a password for the user. The password will be encrypted and stored in the Samba password database.

Changing a Password for a Samba User

To change the password for a Samba user, use the following command:

smbpasswd username

You will be prompted to enter the new password for the user. The password will be encrypted and stored in the Samba password database.

Deleting a Samba User

To delete a Samba user, use the following command:

smbpasswd -x username

This will remove the user from the Samba password database.

Listing Samba Users

To list all Samba users, use the following command:

pdbedit -L

This will display a list of all Samba users, along with their user ID numbers.

Options

Here are the available options for the smbpasswd command:

Option Description
-a Adds a new Samba user
-c Specifies the location of the Samba configuration file
-d Disables a Samba user account
-e Enables a Samba user account
-h Displays help information
-n Specifies the name of the Samba password database
-r Specifies the name of the remote Samba server
-s Specifies that the Samba password database is in a TDB format
-U Specifies the username to use for authentication

Troubleshooting Tips

Here are some common issues you may encounter when using the smbpasswd command, along with troubleshooting tips:

“Failed to modify password entry for user”

This error message may occur if the Samba password database is corrupted. To fix this issue, you can try deleting the Samba password database and recreating it:

  1. Stop the Samba service: systemctl stop smb
  2. Delete the Samba password database: rm /var/lib/samba/private/passdb.tdb
  3. Recreate the Samba password database: smbpasswd -c /etc/samba/smb.conf
  4. Start the Samba service: systemctl start smb

“Failed to find entry for user”

This error message may occur if the Samba user does not exist. To fix this issue, you can try adding the Samba user:

smbpasswd -a username

Notes

  • The smbpasswd command requires root privileges to run.
  • The Samba password database is typically located at /var/lib/samba/private/passdb.tdb.
  • The Samba configuration file is typically located at /etc/samba/smb.conf.