Ubuntu 20.04でMX Master3を認識することができるように設定した

Solaar のインストール

$ sudo add-apt-repository ppa:daniel.pavel/solaar
$ sudo apt-get update
$ sudo apt-get install solaar
$ sudo apt-get install solaar-gnome3

下記ファイルを作成する。

sudo vi /etc/udev/rules.d/42-logitech-unifying-receiver.rules

/etc/udev/rules.d/42-logitech-unifying-receiver.rules

# This rule was added by Solaar.
#
# Allows non-root users to have raw access to Logitech devices.
# Allowing users to write to the device is potentially dangerous
# because they could perform firmware updates.

ACTION != "add", GOTO="solaar_end"
SUBSYSTEM != "hidraw", GOTO="solaar_end"

# USB-connected Logitech receivers and devices
ATTRS{idVendor}=="046d", GOTO="solaar_apply"

# Lenovo nano receiver
ATTRS{idVendor}=="17ef", ATTRS{idProduct}=="6042", GOTO="solaar_apply"

# Bluetooth-connected Logitech devices
KERNELS == "0005:046D:*", GOTO="solaar_apply"

GOTO="solaar_end"

LABEL="solaar_apply"

# Allow any seated user to access the receiver.
# uaccess: modern ACL-enabled udev
# udev-acl: for Ubuntu 12.10 and older
TAG+="uaccess", TAG+="udev-acl"

# Grant members of the "plugdev" group access to receiver (useful for SSH users)
#MODE="0660", GROUP="plugdev"

LABEL="solaar_end"
# vim: ft=udevrules

このファイルの内容：
https://raw.githubusercontent.com/pwr/Solaar/master/rules.d/42-logitech-unify-permissions.rules

USB receiverをさし直します。

参考：
https://askubuntu.com/questions/588197/solaar-loses-permissions-after-reboot-need-to-unplug-unifying-receiver-each-ti