Universal Blue•4mo ago

Unable to Customize Login Screen (KDE)

Seems like no matter which route I take, the login screen refuses to change. I'm using Nvidia KDE image on a desktop. Attempt 1 - System Settings -> Appearance & Style -> Login Screen (SDDM) -> Breeze Fedora, Change Background -> Load From File -> Select a new file -> Apply When I log out, the screen still shows the original background image (a painted river/trees). Attempt 2 - System Settings -> Appearance & Style -> Login Screen (SDDM) -> Get New -> Choose Login Screen to install -> Install The below error is provided.

An error occurred during the installation process:
The installation failed with code 255 while attempting to run the command:
sddmthemeinstaller -i /tmp/monochrome-sddm.tar.gz

The returned output was:

An error occurred during the installation process:
The installation failed with code 255 while attempting to run the command:
sddmthemeinstaller -i /tmp/monochrome-sddm.tar.gz

The returned output was:

Attempt 3 - Download lock screen from kde store (https://store.kde.org/p/1283380) and extract to /etc/sddm/themes Does not show in Settings. Attempt 3.5 - Just place the .tar.gz in the directory....? Still doesn't show. Attempt 4 - System Settings -> Appearance & Style -> Login Screen (SDDM) -> Install From File -> Select downloaded tar.gz file Could not decompress archive Attempt 5 - Manually open Ptyxis and run the command sddmthemeinstaller -i /tmp/monochrome-sddm.tar.gz Could not decompress archive Attempt 6 - Discovery Store -> Plasma Addons -> Login Screens -> Select theme/install

sddmtheme.knsrc: An error occurred during the installation process:
The installation failed with code 255 while attempting to run the command:
sddmthemeinstaller -i /tmp/monochrome-sddm.tar.gz

The returned output was:

sddmtheme.knsrc: An error occurred during the installation process:
The installation failed with code 255 while attempting to run the command:
sddmthemeinstaller -i /tmp/monochrome-sddm.tar.gz

The returned output was:

I'm officially out of ideas - any thoughts on how to change my login screen from the default?

Monochrome KDE

A dark theme inspired by black and white photography.See the project page for more information and recommendations.

Solution:

I suspect that these instructions for Kinoite will work. https://www.reddit.com/r/Fedora/comments/12ywfst/kinoite_how_can_i_change_login_background/ but be careful when editing your /etc/fstab folder as you can end up with an unbootable system. I''m going to test them now

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Solution

wolfyreload•4mo ago

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wolfyreload•4mo ago

Tested it and I changed my login screen, so It works but use with caution

pastrami•4mo ago

@wolfyreload - good find, thank you! I've never edted /etc/fstab before. Is it literally just adding the line (see screenshot)? It doesn't look like it follows the format of what was there, so wasn't sure

pastrami•4mo ago

Confirming this worked, and it was all I needed to do (add the line)

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Unable to Customize Login Screen (KDE)