Last time, I wrote an article Install Chrome Remote Desktop on Linux. However, as it is, every time
--Authentication required to create a color profile --Authentication required to create a color managed device
I often get messages like ... The most troublesome thing was that after returning to the screen saver, these dialogs appeared, so even though I entered the password, it did not disappear. The only way was to log back in, and I had to find a solution.
Change Polkit settings. See the reference link for what Polkit itself is. In the following, the file is 45-allow-colord.pkla, but if the extension is .pkla, there seems to be no rule in the file name. However, considering the time of making another rule with Polkit, it would be nice if the name expresses the content concisely.
$ sudo vi /etc/polkit-1/localauthority/50-local.d/45-allow-colord.pkla
Create a new one and enter as follows. Contents that allow all users to update color management and package management (repository system).
[Allow Colord all Users]
Identity=unix-user:*
Action=org.freedesktop.color-manager.create-device;org.freedesktop.color-manager.create-profile;org.freedesktop.color-manager.delete-device;org.freedesktop.color-manager.delete-profile;org.freedesktop.color-manager.modify-device;org.freedesktop.color-manager.modify-profile
ResultAny=no
ResultInactive=no
ResultActive=yes
[Allow Package Management all Users]
Identity=unix-user:*
Action=org.debian.apt.*;io.snapcraft.*;org.freedesktop.packagekit.*;com.ubuntu.update-notifier.*
ResultAny=no
ResultInactive=no
ResultActive=yes
The above settings seem to be valid up to Polkit version 0.105. Polkit version 0.106 or later creates a .conf file, and the format seems to be different. You can check the version of Polkit with the following command. Ubuntu 20.04 was 0.105.
$ pkaction --version
I referred to the following site. The version of Ubuntu is different, but I could erase it in the same way in 20.04. Connect to Ubuntu 19.04 with Microsoft Remote Desktop on Android
What is Polkit in the first place? Polkit - ArchWiki
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