Configuring Samba on the server hosting the Squid service

To configure the Samba service:

1. Start the Samba services and add them to autostart. To do so, run the following commands depending on the utilized operating system:
   • CentOS, Red Hat Enterprise Linux or SUSE Linux Enterprise Server:

     systemctl start smb

     systemctl enable smb

     systemctl start nmb

     systemctl enable nmb

   • Ubuntu or Debian:

     systemctl start smbd

     systemctl enable smbd

     systemctl start nmbd

     systemctl enable nmbd

2. Add the following parameters to the /etc/samba/smb.conf file:

   [global]

   workgroup = <NetBIOS name of the Active Directory domain>

   password server = <DNS name of the Active Directory domain controller>

   realm = <uppercase Active Directory domain name>

   security = ads

   idmap uid = 10000-20000

   idmap gid = 10000-20000

   winbind use default domain = no

   winbind request timeout = 300

3. Add the server hosting the Squid service to the Active Directory domain. To do so, execute the command:

   net ads join -U <domain administrator>

   You will be prompted to enter the password of the domain administrator or the password of a user with domain administrator rights.

4. Type the administrator password and press ENTER.

   The server hosting the Squid service should be added to the Active Directory domain.

5. Make sure that the server hosting the Squid service was actually added to the Active Directory domain. To do so, execute the command:

   net ads testjoin

   If the server hosting the Squid service was added to the Active Directory domain, Join is OK is displayed in the console.

6. Restart the Samba services. To do so, run the following commands depending on the utilized operating system:
   • CentOS, Red Hat Enterprise Linux or SUSE Linux Enterprise Server.

     systemctl restart smb

     systemctl restart nmb

   • Ubuntu or Debian.

     systemctl restart smbd

     systemctl restart nmbd

   If you see "ERROR: failed to setup guest info", you must configure mapping for the guest group. To do so, run the command net groupmap add sid=S-1-5-32-546 unixgroup=nobody type=builtin

7. Start the winbind service. To do so, execute the command:

   systemctl start winbind

8. Add the winbind service to autostart. To do so, execute the command:

   systemctl enable winbind

9. If you use Ubuntu or Debian, add the 'proxy' user to the 'winbindd_priv' group. To do so, execute the command:

   usermod -a -G winbindd_priv proxy

Samba configuration will be completed. Proceed to check the Samba settings.

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