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Chapter 6 on a real Ubuntu 24.04 workstation called mgmt with a real IPMI 2.0 controller whose accounts are real: the user table and what every column means, creating an account in four commands and proving it establishes an RMCP+ session, the refusal a wrong password returns, retiring a vendor account left over from a contract that ended and proving the door is shut, why those two refusals look identical and how to tell them apart, the channel and its cipher suites, the management network, what a VLAN tag costs on real hardware, and the three writes this controller refuses, with the genuine Dell R730 user table and network beside them.