Active Directory Integration On Ubuntu

Drew Furgiuele shows how to configure SQL Server on Linux to use Windows authentication:

In the following post, we’ll walk through joining a Linux SQL Server on Unbuntu to an Active Directory domain, and here’s the steps we’re going to take:

  1. Installing the required software and services to enable a Linux host to talk to and join an Active Directory Domain,
  2. Configuring the Linux host’s network configuration to talk to the Domain Controller(s),
  3. Setting up Samba, Kerberos, Winbind, and the System Security Services Daemon (SSSD) to properly talk to and digest authentication tokens from Active Directory, and
  4. Creating a Kerberos Keytab file for the SQL Server service to run as a domain service account.

Seems like a lot, doesn’t it? If you’re new to Linux, a lot of this configuration can seem a little daunting and a lot tedious, but as we walk through it, I’ll stop and talk a little bit about each step and what it does.

Active Directory integration was a critical piece of functionality for SQL Server on Linux.  There are still some odd edge cases (like weirdness when going cross-domain) but for the normal scenario, it works fine once you’ve configured Linux correctly.

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