Integrate Ubuntu to Samba4 AD DC with SSSD and Realm – Part 15

For example, if there is a user ubuntu the following command would access the share from another system, using the domain credentials:. You can also restrict access to the share as usual. Just keep in mind the syntax for the domain users. For example, to restrict access to the [storage] share we just created to only members of the LTS Releases domain group, add the valid users parameter like below:. A very important one is the idmap backend, and it might need changing for more complex setups.

Related Posts

User and group identifiers on the AD side are not directly usable as identifiers on the Linux site. A mapping needs to be performed. Winbind supports several idmap backends, and each one has its own man page. The three main ones are:. Choosing the correct backend for each deployment type needs careful planing. Upstream has some guidelines at Choosing an idmap backend , and each man page has more details and recommendations. The realm tool selects by default the rid backend. Will reserve the 2,, through 2,, range for user and group ID allocations on the Linux side for the intexample domain. The Administrator user we inspected before with getent passwd can give us a glimpse of how these ranges are used output format changed for clarity :. Last updated 5 months ago. Help improve this document in the forum. Server Hyperscale Docs. Use realmd to join the Active Directory domain For this guide, though, we are going to use the realmd package and instruct it to use the Samba tooling for joining the AD domain.

Verify the AD server Next, we need to verify that the AD server is both reachable and known by running the following command: sudo realm discover internal. FAKE domain-name: internal.

4.2. Using SMB shares with SSSD and Winbind

Common installation options When domain users and groups are brought to the Linux world, a bit of translation needs to happen, and sometimes new values need to be created. Listing Domains 3. Managing Login Permissions for Domain Users 3. Changing Default User Configuration 3. Using Samba for Active Directory Integration" 4. Using winbindd to Authenticate Domain Users Expand section "4. Using winbindd to Authenticate Domain Users" Collapse section "4. Using winbindd to Authenticate Domain Users" 4. Joining an AD Domain 4. Additional Resources II. Introduction to Cross-forest Trusts Expand section "5. Introduction to Cross-forest Trusts" Collapse section "5. Introduction to Cross-forest Trusts" 5. The Architecture of a Trust Relationship 5. Active Directory Security Objects and Trust 5. Trust Architecture in IdM Expand section "5. Trust Architecture in IdM" Collapse section "5. Trust Architecture in IdM" 5. One-Way and Two-Way Trusts 5.

External Trusts to Active Directory 5. Trust Controllers and Trust Agents 5. Creating Cross-forest Trusts Expand section "5. Creating Cross-forest Trusts" Collapse section "5. Creating Cross-forest Trusts" 5. Environment and Machine Requirements Expand section "5. Environment and Machine Requirements" Collapse section "5. Environment and Machine Requirements" 5. Supported Windows Platforms 5. DNS and Realm Settings 5. Firewalls and Ports 5. IPv6 Settings 5. Clock Settings 5. Supported User Name Formats 5. Creating Trusts Expand section "5. Creating Trusts" Collapse section "5. Creating Trusts" 5. Creating a Trust from the Command Line Expand section "5. Creating a Trust from the Command Line" Collapse section "5. Creating a Trust from the Command Line" 5. Preparing the IdM Server for Trust 5. Creating a Trust Agreement 5. Verifying the Kerberos Configuration 5. Creating a Trust Using a Shared Secret" 5. Verifying the ID Mapping 5.

Adding a Second Trust 5. Creating a Trust in the Web UI 5. Post-installation Considerations for Cross-forest Trusts Expand section "5. Post-installation Considerations for Cross-forest Trusts" Collapse section "5. Post-installation Considerations for Cross-forest Trusts" 5.

Integrate Ubuntu to Samba4 AD DC with SSSD and Realm - Part 15

Authenticating Deleted Active Directory Users 5. Resolving Group SIDs 5. Configuring Trust Agents 5. Managing and Configuring a Cross-forest Trust Environment" 5. Maintaining Trusts Expand section "5. Maintaining Trusts" Collapse section "5. Maintaining Trusts" 5. Editing the Global Trust Configuration Expand section "5. Editing the Global Trust Configuration" Collapse section "5. Editing the Global Trust Configuration" 5. Changing the Default Group for Windows Users 5. Discovering, Enabling, and Disabling Trust Domains 5. Viewing and managing domains associated with IdM Kerberos realm 5. Kerberos Flags for Services and Hosts 5. Caching Considerations 5. Using a Trust with Kerberos-enabled Web Applications 5. Prerequisites 5. Client-side Configuration Using the ipa-advise Utility 5.