There are ways to do this with an iPhone and/or Apple Watch. Near Lock is one option. Source: almost 2 years ago

I don't think such an app exists, but maybe Near Lock comes in handy: https://nearlock.me/. Source: almost 2 years ago

I've been trying for over a year to find an app that unlock my Hackintosh (and MBP) with my phone or other blueprint when I get near it (and lock it when I walk away). I have a Whoop band so an Apple Watch isn't an option right now (until they add BP monitoring and my Whoop sub runs out at least). I found Near Lock and nearly cried with joy. Not only was it exactly what I wanted, it looked slick‏‏‎‏‏‎‏‏‎‏‏‎­too.... Source: over 2 years ago

The only private alternatives are going to be self hosted and will require some technical skill. See owntracks for details. Source: about 1 year ago

On your side, you need some way to be tracked. Easy solution is an app on your phone, I like OwnTracks as a privacy-respecting option. Source: over 1 year ago

Sounds like owntracks with a android headunit https://owntracks.org/. Source: over 1 year ago

OwnTracks is app people can install on their phones that you can setup to send live gps coordinates back to your web server. Source: over 1 year ago

One container where this would have been an issue for me is OwnTracks recorder. Probably could have got it working on ARM if I wanted to compile the program then create a container around it, but didn't want to spend the time and instead just used the free tier x86_64 VM. Source: over 1 year ago