xinput version 1.6.2 XI version on server: Failed to open display.

usage : xinput get-feedbacks <device name> xinput set-ptr-feedback <device name> <threshold> <num> <denom> xinput set-integer-feedback <device name> <feedback id> <value> xinput get-button-map <device name> xinput set-button-map <device name> <map button 1> [<map button 2> [...]] xinput set-pointer <device name> [<x index> <y index>] xinput set-mode <device name> ABSOLUTE|RELATIVE xinput list [--short || --long || --name-only || --id-only] [<device name>...] xinput query-state <device name> xinput test [-proximity] <device name> xinput create-master <id> [<sendCore (dflt:1)>] [<enable (dflt:1)>] xinput remove-master <id> [Floating|AttachToMaster (dflt:Floating)] [<returnPointer>] [<returnKeyboard>] xinput reattach <id> <master> xinput float <id> xinput set-cp <window> <device> xinput test-xi2 [--root] <device> xinput map-to-output <device> <output name> xinput list-props <device> [<device> ...] xinput set-int-prop <device> <property> <format (8, 16, 32)> <val> [<val> ...] xinput set-float-prop <device> <property> <val> [<val> ...] xinput set-atom-prop <device> <property> <val> [<val> ...] xinput watch-props <device> xinput delete-prop <device> <property> xinput set-prop <device> [--type=atom|float|int] [--format=8|16|32] <property> <val> [<val> ...] xinput disable <device> xinput enable <device>