Red Hat Certified System Administrator RHCSA · Free Practice Question Medium
Question 17
How can you configure a Red Hat Enterprise Linux 9 system (specifically, the 'linux2.lab' server) to prevent direct root logins over SSH?
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In RHEL 9, to restrict direct root SSH login on 'linux2.lab', edit the SSH configuration file '/etc/ssh/sshd_config'. Change the line 'PermitRootLogin yes' to 'PermitRootLogin no'. Then, restart the SSHD service with 'sudo systemctl restart sshd'. This change prohibits root user logins directly via SSH, enhancing the server's security.
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