Active Directory - Power Sysadmin Blog

Joining CentOS/RHEL/Rocky Linux to Active Directory (AD) Domain

In this article, we will show you how to join servers or workstations running CentOS 8, RHEL, or Rocky Linux to an Active Directory domain using realmd, and how to authenticate to a Linux host using an Active Directory account. The Realmd (Realm Discovery) service makes discovering and adding Linux hosts to an AD domain much easier. Realmd uses SSSD (via Kerberos and LDAP) or Winbind to verify and authenticate Active Directory accounts.

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VMware ESXi: Can’t Join Active Directory Domain

Sometimes I run into various problems when jpining VMware ESXi hosts to an Active Directory domain. In this article, I have described typical steps to solve this problem.

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Change the Default Logon Domain Name in Windows

After you have joined the Windows device to an Active Directory domain, the login screen will automatically display the logon domain name. This logon domain name appears below the username and password fields.
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Protecting Active Directory OUs from Accidental Deletion

Active Directory has a special feature to protect against accidental deletion of directory objects (Organizational Units, users, groups, etc.). By default, the “Protect object from accidental deletion” option is enabled when creating new OUs.

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