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How can I use my laptop as a local network for a tablet?

bh flag

I've been working on a web app for a side project and was hoping to get some feedback on it soon.

I was wondering if it is possible to tether the tablet to my laptop running Ubuntu 20.04 as a local network, and then show the interface on the tablet. That way I can just use the local host address.

Essentially running my laptop as a router with no internet access. Would that be possible?

in flag
Yes, it's quite possible. This is generally how I deliver software demos and training when visiting clients who do not always have a network connection that we can all share. However, your challenge will be finding a method to have your tablet understand where your notebook is on the network. If this is just a web app and you can use an IP address in the browser, then it's a non-issue. If you need SSL certificates, domain names, or other things, then you may also need to handle your own DNS and key management.
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