TheprofilePathparameter in a user object specifies the path to the user's roaming profile. A roaming profile is a feature in Windows that allows user profile data to be stored on a network share so that users can access their profiles from any workstation within the network. By setting theprofilePath, administrators can define where on the network the profile data is stored.

References

Roaming User Profiles

User Account Properties

DFS (Distributed File System):This allows for the organization of shared files on multiple servers in a distributed file system.

msdfs root = yes:This option in the Samba configuration file (smb.conf) enables a share to be a DFS root. This means the share can provide access to multiple other shares possibly located on different servers, creating a single point of access.

Functionality:When enabled, users accessing this DFS root can be redirected transparently to the actual location of the shared files, which might be spread across different servers.

Setup:To configure a DFS root, addmsdfs root = yesto the specific share definition in smb.conf.

References

Samba DFS Configuration

The SMB protocol (Server Message Block) is used for providing shared access to files and printers.

Historically, SMB ran on top of NetBIOS over TCP/IP using port 139.

SMB can also run directly over TCP/IP without the NetBIOS layer, which uses port 445.

Therefore, TCP port 445 is used to provide the SMB protocol without NetBIOS.

References

Official IANA port numbers: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml

Microsoft documentation on SMB:https://docs.microsoft.com/en-us/windows/win32/fileio/microsoft-smb-protocol-and-cifs-protocol-overview

pdbedit:This Samba command is used to manage the user accounts stored in the Samba password database.

-v:The verbose option provides detailed information.

-u candidate:Specifies the user for which to display the information.

Other Commands:

smbpasswd, net sam show, samba-tool user list, getent smbpasswd:These commands do not provide the same comprehensive information and status flags aspdbedit.

References

Samba pdbedit Documentation

samba-tool domain provision:This command sets up Samba 4 as an Active Directory Domain Controller.

Process:

Runsamba-tool domain provisionto start the setup.

Follow the prompts to specify the domain name, administrator password, and other required information.

Outcome:This command initializes the Samba server as a new domain controller for a new domain, configuring the necessary services and databases.

References

Samba Active Directory Domain Controller

smbpasswd:This backend uses thesmbpasswdfile to store user and group information. It is a simple plaintext file format that holds password hashes and other account information.

ldapsam:This backend utilizes LDAP (Lightweight Directory Access Protocol) to store user and group information. LDAP is a more scalable and flexible option suitable for larger environments.

Other Options:

sdb, krb, smb:These are not valid Samba backends for storing user and group information.

References

Samba User and Group Database Backends

Adding SSSD to /etc/nsswitch.conf:

To include SSSD (System Security Services Daemon) as a source of information in the/etc/nsswitch.conffile, the service namesssmust be added. This is specified without any parameters. Thesssservice allows the system to retrieve information from various sources, such as LDAP, Kerberos, and others, as configured in SSSD.

References:

SSSD documentation

nsswitch.confconfiguration guidelines