lxc may add some security

terminal:

# xinput test

Unable to connect to X server

terminal through x2go client:

$ xinput list

"pointer" id=0 [XPointer]

"keyboard" id=1 [XKeyboard]

ubuntu@u3:~$ xinput test 1

unable to find device '1'

ubuntu@u3:~$ xinput test 0

unable to find device '0'

ubuntu@u3:~$