Here’s a secret. If you have Vagrant and VirtualBox installed, and your colleague does too, then you can both bring up an near-totally identical blank slate Debian 12 Linux VM by running
1 2 3 4 5 6 mkdir tutorial/ cd tutorial/ vagrant init debian/bookworm64 vagrant up vagrant ssh . This works regardless of whether you or they are on Linux, Mac1, BSD, or even Windows. (Through the magic of aliasing, mkdir and cd even work in PowerShell.