as said here: https://superuser.com/questions/1716264/xmodmap-holding-a-key-vs-pressing https://superuser.com/questions/1716264/xmodmap-holding-a-ke... using th

as said here: https://superuser.com/questions/1716264/xmodmap-holding-a-key-vs-pressing https://superuser.com/questions/1716264/xmodmap-holding-a-ke... using this https://github.com/alols/xcape https://github.com/alols/xcape : $ setxkbmap -option caps:ctrl_modifier $ xcape -e 'Caps_Lock=Escape' if that need be run multiple times (i.e. in bashrc), add a guard: pgrep xcape >/dev/null || ( setxkbmap -option caps:ctrl_modifier xcape -e 'Caps_Lock=Escape' )