Combination key like ctrl or alt or shift doesn't work on ubuntu 16.04
123456
Android Studio shortcuts are not working
68794
How to disable Ctrl+Shift+U?
113222
How can I get the Alt key to work in an X11 application?
75937
How can I switch between keyboard layouts by pressing a keyboard shortcut like on Windows?
147694
Something blocks Ctrl+Alt+left/right-arrow keyboard combination
55850
Custom shortcut Ctrl + Shift + Esc doesn't fire the event
104644
How do I restore the Unity 7 Ctrl-Alt-Numpad combination behaviour on Gnome 3?
157127
How to remap Super(left) key to control key
9590
How can I remap a keyboard key?
31237
Where do I set the Caps Lock key behaviour?
121208
keyboard shortcut gnome-terminal (ctrl-tab) and (ctrl-shift-tab) in 12.04?
71536
How to create a new keyboard shortcut using the Windows key?
35107
How to set custom keyboard shortcuts from terminal?
156173
How do I disable the alt-right click keyboard binding?
2733
How to use Alt+Shift to switch keyboard layouts?
43820
Ctrl + Alt +  doesn't work on non-US (f.x. German, Danish) keyboard layout
73314
How do I get my arrow keys working in the at> prompt