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lang-bash
sudo lsseems pointless, as does theecho. Who will be running this? How? How do you give the password? Is the script running interactively?sudos that you shouldn't: it starts services that should almost certainly be activated in a different way, running a program on a user-owned directory but as root user (leading to fun ownerships and exploitability effects). And, startingnftafter your network comes up is another really bad idea. This all screams "your system has useful session management built, in, but somehow you're trying to use it as if you only had desktop linuxes of the year 1995, and it's biting you".