2021 Logitech M590 Slient Mouse Button Mapping on Ubuntu 20

 https://askubuntu.com/questions/152297/how-to-configure-extra-buttons-in-logitech-mouse

Install

sudo apt-get install xbindkeys xautomation x11-utils

Identify

$ xev -event mouse | grep Button --before-context=1 --after-context=2 ButtonPress event, serial 25, synthetic NO, window 0x6800001, root 0x1d7, subw 0x6800002, time 232287448, (36,34), root:(112,161), state 0x10, button 1, same_screen YES -- ButtonRelease event, serial 25, synthetic NO, window 0x6800001, root 0x1d7, subw 0x6800002, time 232287512, (36,34), root:(112,161), state 0x110, button 1, same_screen YES -- ButtonPress event, serial 25, synthetic NO, window 0x6800001, root 0x1d7, subw 0x6800002, time 232316577, (49,29), root:(213,376), state 0x10, button 8, same_screen YES -- ButtonRelease event, serial 25, synthetic NO, window 0x6800001, root 0x1d7, subw 0x6800002, time 232316671, (50,29), root:(214,376), state 0x10, button 8, same_screen YES 

Bind

xbindkeys --defaults > $HOME/.xbindkeysrc

gedit $HOME/.xbindkeysrc

Content

"xte 'keydown Control_L' 'keydown Tab' 'keyup Tab' 'keyup Control_L'"
b:1 + Release