Fix NetworkManager

fix-nm

#!/bin/bash
if [[ $(id -u) -ne 0 ]]; then
	echo "Run with root!"
	exit 1
fi

net_connected() {
	ping -c 1 1.1.1.1 > /dev/null
}

while true; do
	if ! net_connected; then
		echo "Restarting NetworkManager"
		systemctl restart NetworkManager
		while ! net_connected; do
			sleep 1
		done
		echo "Internet seems to work again"
	fi
	sleep 1
done

fix-nm.service

[Unit]
Description=Automatically restarts NetworkManager if internet access becomes unavailable

[Service]
ExecStart=/usr/sbin/fix-nm

[Install]
WantedBy=multi-user.target