linux使用xinput --list --short 发现pointer显示两个同名的鼠标设备？

Question

请问如何才能修改鼠标的速度？

[root@localhost ~]# xinput list
⎡ Virtual core pointer                        id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                  id=4    [slave  pointer  (2)]
⎜   ↳ Logitech USB Keyboard                       id=9    [slave  pointer  (2)]
⎜   ↳ Logitech G102 Prodigy Gaming Mouse          id=10    [slave  pointer  (2)]
⎜   ↳ Logitech G102 Prodigy Gaming Mouse          id=11    [slave  pointer  (2)]
⎣ Virtual core keyboard                       id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard                 id=5    [slave  keyboard (3)]
    ↳ Power Button                                id=6    [slave  keyboard (3)]
    ↳ Power Button                                id=7    [slave  keyboard (3)]
    ↳ Logitech USB Keyboard                       id=8    [slave  keyboard (3)]
[root@localhost ~]# xinput --set-prop "pointer:Logitech G102 Prodigy Gaming Mouse" "Device Accel Velocity Scalling" 5
Warning: There are multiple devices matching 'pointer:Logitech G102 Prodigy Gaming Mouse'.
To ensure the correct one is selected, please use the device ID, or prefix the
device name with 'pointer:' or 'keyboard:' as appropriate.

unable to find device pointer:Logitech G102 Prodigy Gaming Mouse
[root@localhost ~]# 

Answer 1

xinput 使用方法：xinput set-prop <device> <property> <val>
其中 device 可以使用名字，也可以使用 设备ID，因为你这里有 2 个同名的，用名字肯定不行，所以要用 ID；property 可以是名字，也可以是 Atom 值（也是一个数），查看方法是 xinput list-props <device>