keysym BackSpace = Delete
keysym Delete = BackSpace
remove Lock = Caps_Lock
keycode 0x42 = Control_L
add Control = Control_L
Fix meta-u, meta-n, meta-i, meta-e, meta-`
$ sudo apt install gnome-tweak-tool
then use it to map caps lock to ctrl, and swap left-ctrl and right ctrl to hyper
would rather have meta in center left and 2nd from right
would rather super and hyper work
Just go to the iTerms2 preferences -> Profiles -> Keys -> set the Left/Right Option key to Esc+.
"xkb configuration is black magic in general and sheer luck in Ubuntu."