I would use a simple autossh setup with key authentication to a limited account on a VPS that is only allowed to open a reverse shell.

Put sshd on port 443 on the VPS to maximize chances of a successful connection, and maybe put a bit of effort into hiding autossh on the laptop.

This way you have ssh to your laptop at all times. You will also know the IP it is on, for easy geoip lookups and tracerouting.

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Thanks!

I've been a happy user of Nirvana for years now. Best web ui by far, and I've tried a lot of them.

https://www.nirvanahq.com/

They even put out a beta of a usable Android app a few days ago -- finally!