hardware - Is Logitech's Unifying receiver supported? - Ask Ubuntu
Solaar' Lets You Manage Logitech's Unifying Receiver on Linux - OMG! Ubuntu!
Cannot update Logitech Unifying Receiver (version of org.freedesktop.fwupd incorrect: failed predicate [0.9.2 ge 0.8.1]) - Ask Ubuntu
ltunify | Tool for working with Logitech Unifying receivers and devices on openSUSE – CubicleNate's Techpad
Connect Multiple Wireless Devices to One USB Receiver using Solaar | PM Student Helpdesk
Pair Logitech Unifying Receiver Devices In Linux With Solaar ~ Web Upd8: Ubuntu / Linux blog
PSA for Linux users: current Solaar supports detailed settings for Logitech mice/trackballs with Unifying receiver (tested M575, MX Ergo and MX Vertical) : r/Trackballs