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https://wiki.archlinux.org/title/Xephyr Before Reading this post I recommend watching the above video and wiki page. Here I only provide an example script of setting up a dev environment. #!/bin/sh Xephyr -br -ac -noreset -screen 800x600 :1 & DISPLAY=:1 awesome --config ./rc.lua & ls ./*.lua | entr kill -s SIGHUP $(ps | grep -Po '([0-9]*)(?=( p.*\.awesome))') & Explanation: first lines runs a Xephyr instance and creates a DISPLAY :1 next line starts the window manager using the config file in the current directory. next line uses entr to listen for changes to the file and send a SIGHUP signal to the window manager to reload the rc.lua. also in case you need to kill everything running in the background of you pty for string in `ps | cut -d ' ' -f 1`; do kill -s term $string; done Result