How to Join a Domain in CentOS 7
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Summary: Learn how to join a domain in CentOS 7 to integrate your Linux system into an Active Directory environment. Follow these steps to ensure seamless integration and access to network resources.
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Joining a domain in CentOS 7 allows you to integrate your Linux system into an Active Directory environment, providing seamless access to network resources and centralized authentication. Whether you’re in an enterprise environment or managing a network of computers, joining a domain streamlines user management and enhances security. Here’s a step-by-step guide to join a domain in CentOS 7:
Install Required Packages:
Ensure your CentOS 7 system has the necessary packages installed. Use the following command to install the required packages:
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Configure DNS:
Ensure that your CentOS 7 system can resolve the domain’s DNS records. Set your DNS server to the domain controller’s IP address or ensure that it’s configured correctly to resolve domain names.
Join the Domain:
Use the realm join command to join the CentOS system to the domain. Replace DOMAIN_NAME with the name of your domain.
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You’ll be prompted to enter the username and password of a domain user with the necessary permissions to join computers to the domain.
Configure Authentication:
Once joined, configure the System Security Services Daemon (SSSD) to handle authentication. Edit the /etc/sssd/sssd.conf file to include the following configuration:
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Start SSSD Service:
Start the SSSD service to apply the changes:
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Verify Domain Join:
Confirm that the CentOS system has successfully joined the domain by running:
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Test Domain Authentication:
Test domain authentication by logging in with a domain user account:
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By following these steps, you can seamlessly integrate your CentOS 7 system into an Active Directory domain, enabling centralized authentication and access to network resources.
centos 7
