This repo contains my awesome config files.
Mod4 + z - Lock Screen (require xscreensaver)
Mod4 + < - Volume -9%
XF86AudioLowerVolume - Volume -3%
XF86AudioLowerVolume - Volume +3%
On Arch linux wiki thereare some tips:
https://wiki.archlinux.org/index.php/Awesome#Debugging_rc.lua
$ bash ~/.config/awesome/awmtt/awmtt start --config=~/.config/awesome/rc.lua