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  1. INFRASTRUCTURE
  2. DNS

Join Domain to Active Directory on Ubuntu 22.04

หลายคนคงเคย Join Domain กับ Active Directory บน Windows กันมาบ้างแล้ว แต่เราจะมาลอง Join Domain กับ Active Directory บน Ubuntu กันบ้าง ซึ่งหลักการก็จะคล้าย ๆ กับการ Join Domain บน Windows ถ้าเราเข้าใจ Concept

Get Started

  • ทำการ Update และ Upgrade

apt-get update && apt-get upgrade -y
  • ทำการติดตั้ง Package

apt-get install realmd sssd sssd-tools libnss-sss libpam-sss adcli samba-common-bin krb5-user -y
  • ทำการกำหนด Hostname

hostnamectl set-hostname ubt.lab.local
  • ทำการตรวจสอบ Hostname

hostnamectl
---
Static hostname: ubt.lab.local
       Icon name: computer-vm
         Chassis: vm
      Machine ID: 4409f54e40fc472586aca1ba7aa9772b
         Boot ID: 181d32c358b14680adef878986c247a5
  Virtualization: vmware
Operating System: Ubuntu 22.04.1 LTS
          Kernel: Linux 5.15.0-53-generic
    Architecture: x86-64
 Hardware Vendor: VMware, Inc.
  Hardware Model: VMware Virtual Platform
  • ทำการแก้ไขไฟล์ /etc/krb5.conf

vi /etc/krb5.conf
---
[libdefaults]
        default_realm = LAB.LOCAL

[realms]
        LAB.LOCAL = {
                kdc = dc1.lab.local
                kdc = dc2.lab.local
                admin_server = dc1.lab.local
                default_domain = lab.local
        }
  • ทำการ Discover Domain

realm discover lab.local
  • ทำการ Join Domain

realm join --user=Administrator lab.local
  • ทำการ Verify Domain

realm list
---
lab.local
  type: kerberos
  realm-name: LAB.LOCAL
  domain-name: lab.local
  configured: kerberos-member
  server-software: active-directory
  client-software: sssd
  required-package: sssd-tools
  required-package: sssd
  required-package: libnss-sss
  required-package: libpam-sss
  required-package: adcli
  required-package: samba-common-bin
  login-formats: %U@lab.local
  login-policy: allow-realm-logins

Last updated 1 year ago

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