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Samba

What is Samba?

  • SMB/CIFS Protocol: Samba implements the Server Message Block (SMB) and Common Internet File System (CIFS) protocols used by Windows for file/printer sharing.
  • Cross-Platform: Allows Linux, Unix, and macOS systems to share files and printers with Windows clients.
  • Authentication: Supports Windows-style user authentication and access control.
  • Integration: Can integrate with Windows domains, Active Directory, and NT4-style domains.

  • Server and Client Roles:

  • Samba Server: Shares files and printers for Windows/Linux clients.

  • Samba Client: Accesses shared resources from Windows or other Samba servers.

  • Additional Tools:

  • smbclient: Command-line client to access SMB shares.

  • smbd: The main daemon for sharing files and printers.
  • nmbd: Handles NetBIOS name service for discovery on networks.
  • winbind: Integrates Linux accounts with Windows accounts.

Installation

=== "Ubuntu / Debian"

```bash
sudo apt update
sudo apt install samba

sudo pacman -S samba

sudo dnf install samba

sudo zypper install samba

---

## How to Use Samba

### 1. Check Samba Version

```bash
smbd --version

2. Basic Configuration

The main configuration file is:

/etc/samba/smb.conf
  • Global settings: Define workgroup, server name, logging, security.
  • Share definitions: Specify directories to share and access permissions.

Example:

[global]
   workgroup = WORKGROUP
   server string = My Samba Server
   security = user

[SharedDocs]
   path = /srv/samba/shared
   browseable = yes
   read only = no
   guest ok = yes

3. Create Samba User

sudo smbpasswd -a username
sudo smbpasswd -e username
  • Adds and enables a Samba user. The username must exist on the Linux system.

4. Start and Enable Samba Services

sudo systemctl start smbd nmbd
sudo systemctl enable smbd nmbd
  • smbd: File/printer sharing.
  • nmbd: Network browsing (NetBIOS).

5. Accessing Samba Shares (Client)

  • Using Linux:
smbclient //server_ip/SharedDocs -U username
  • Mount a Samba share locally:
sudo mount -t cifs -o username=username,password=password //server_ip/SharedDocs /mnt/samba
  • Access from Windows: Open \\server_ip\SharedDocs in File Explorer.

6. Common Commands

  • List available shares on a server:
smbclient -L //server_ip -U username
  • Test configuration:
testparm
  • Monitor connections:
smbstatus

Practical Use Cases

  1. File Sharing Across OSes: Share documents, media, or backups between Linux and Windows.
  2. Printer Sharing: Make Linux printers available to Windows clients.
  3. Home Networks: Central file repository for multiple devices.
  4. Enterprise: Integrate Linux servers into Active Directory environments.