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Learning Ceph - Second Edition by Karan Singh, Vaibhav Bhembre, Anthony D'Atri

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Network versus serial versus KVM management

In the past, servers were primarily managed via serial consoles, with CLI or menu interfaces. Today, even inexpensive beige-box commodity servers usually offer a network management interface as well, with SSH and HTTP UI's. Examples include Oracle's ILOM, Dell's iDRAC, and HP's iLO.

Some servers may offer neither, though a network KVM unit from brands such as Lantronix or Raritan can retrofit some of the management functionality. This author is old-school and likes servers to have at least basic power control and bootstrap ability via serial console, though this does require dedicated infrastructure. Network management interfaces offer a variety of management and monitoring functionality. Whichever ...

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