I find Linux virtualization stack confusing. KVM? ibvirt? QEMU? Xen? What does that even mean? So I wrote a post in an attempt at making sense of that all. Hope it clears things up, and let me know if I missed a mark somewhere.

https://mirekdlugosz.com/blog/2024/understanding-linux-virtualization-stack/

#linux #blog #kvm #QEMU #xen #virtualbox

If you get an error like the one below while launching Vial to configure the keymap of your external keyboard, make sure it’s not plugged into a KVM¹ switch.

File "main_window.py", line 279, in on_devices_updated File "main_window.py", line 283, in on_device_selected File "autorefresh/autorefresh.py", line 79, in select_device File "vial_device.py", line 49, in open File "vial_device.py", line 26, in open

RuntimeError: unable to open the device.

¹ Keyboard, Video, Mouse.

#vial #KVM #error