Sudo realm join -client-software=sssd -U
#WATCH MY DOMAINS SED INSTALL#
We can then go ahead and install the listed required packages (shown above) and then use the realm join command to join Linux to the Windows domain using credentials with AD Domain Admin permissions: sudo apt install sssd sssd-tools libnss-sss libpam-sss adcli samba-common-bin Realm discovery output may differ depending on your specific host and domain controller setup.Ĥ. The output should look like the following it provides a list of packages that must be installed in order to join the domain: If the output lists a domain you’d like to leave, run the following as the domain administrator user account originally used to join the domain: sudo realm leave -U Next, we’ll want to discover our domain: realm discover The output should be empty, indicating the host isn’t joined to AD or another domain service.
If realmd wasn’t previously installed, then we shouldn’t have any domain membership. Now, let’s install realmd (using root access) and check to see if we’re already a member of a domain. Proper DNS and hostname resolution are essential to this process.Ģ. To add Linux to an Active Directory domain, first make sure that your Linux host can communicate with the domain controller (DC) over the network. It’s not too much of a lift either, as realmd handles configuration of complex underlying Linux system services, such as SSSD or Winbind. The realmd system provides a clear and simple way to discover and join identity domains to achieve direct domain integration.
Realm is a command line tool that can be used for management of enrollment in Kerberos realms, like Active Directory domains or IPA domains. However, the realmd suite enables you to complete the task without cumbersome configuration file editing. For example, you can manually set up System Security Services Daemon (SSSD) to join domains. Over the years, there have been a few configuration options to join a Linux machine to AD however, most were cumbersome to configure.
Active Directory Group Management Best Practices.
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