Welcome to the forum @MattL0.
Do you mean a button on the node-red dashboard? If so you can easily add a button and feed it to your exec node.
I am not sure what you mean by that. What log?
Thank you. Sorry i meant logo **
You need to read through the latest generation of the settings.js file, you will find something in there that lets you set a URL.
In fact, as I've just broken off for the Christmas Break, I may share my latest settings.js file because I've done an improved layout with better comments. So keep an eye out for another thread in the forum.
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If you need to supply a password, you can use the sudo -S option:
echo user | sudo -S sudo reboot now
Alternatively, you can configure an askpass helper by setting the SUDO_ASKPASS environment variable or modify /etc/sudo.conf.
