Libvirt is a handy way to manage containers and virtual machines on various systems. On most distributions, you can only access the libvirt daemon via the root user by default. I’d rather use a regular non-root user to access libvirt and limit that access via groups.
After a boatload of challenges with what I thought would be my favorite Linux laptop, the Dell XPS 13 9343, I decided to take the plunge on a new Lenovo X1 Carbon (3rd gen). My late-2013 MacBook Pro Retina (MacbookPro11,1) had plenty of quirks when running Linux and I was eager to find a better platform.
There are some situations where you want to do the opposite of creating a wireless hotspot and you want to share a wireless connection to an ethernet connection. For example, if you’re at a hotel that offers only WiFi internet access, you could share that connection to an ethernet switch and plug in more devices. Also, you could get online with your wireless connection and create a small NAT network to test a network device without mangling your home network.