[CentOS] ipmitool and CentOS 7

On Dells running CentOS 6, we could use this command
ipmitool delloem lcd set mode userdefined "$(uname -n | sed -e 's/\..*//' )"
to set the little LCD screen to display the system name, In the latest
sevens, it fails, and gives me usage for the command... which displays
exactly that syntax.

Anyone have a clue?

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