A Linux alternative to Auto Dark Mode. Independent open-source project, not affiliated with or endorsed by Windows Auto Dark Mode.
FEATURES • Schedule & Instant Switch: Real NOAA astronomical sunrise, solar noon, sunset and solar elevation calculator from Latitude/Longitude, custom fixed-hour schedule, automatic periodic scheduler, and instant Light/Dark switching via vendored gsettings (org.gnome.desktop.interface color-scheme, gtk-theme, picture-uri / picture-uri-dark). • Theme & Wallpaper Mapping: Scans host GTK and desktop themes under /usr/share/themes, maps Light and Dark wallpaper images with live preview, and supports X11 root backdrop wallpaper painting (_XROOTPMAP_ID / ESETROOT_PMAP_ID) for window managers without GNOME Shell. • Smart Rules & Activity Log: Pauses automatic switches when a fullscreen window or specified WM_CLASS application (e.g. media player or editor) is focused via X11/EWMH, and keeps persistent JSON rules and timestamped switch history.
NOTES
• Connect the optional system-backup interface (sudo snap connect day-night-theme-switcher:system-backup) to scan host themes in /usr/share/themes and host GSettings schemas from strict confinement.
SUPPORT & DONATE • Created by Thanh Nguyen — https://buymeacoffee.com/thanhnv128b
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap can be installed from the command line on openSUSE Leap 15.x and Tumbleweed.
You need first add the snappy repository from the terminal. Choose the appropriate command depending on your installed openSUSE flavor.
Tumbleweed:
sudo zypper addrepo --refresh https://download.opensuse.org/repositories/system:/snappy/openSUSE_Tumbleweed snappy
Leap 15.x:
sudo zypper addrepo --refresh https://download.opensuse.org/repositories/system:/snappy/openSUSE_Leap_15.6 snappy
If needed, Swap out openSUSE_Leap_15. for, openSUSE_Leap_16.0 if you’re using a different version of openSUSE.
With the repository added, import its GPG key:
sudo zypper --gpg-auto-import-keys refresh
Finally, upgrade the package cache to include the new snappy repository:
sudo zypper dup --from snappy
Snap can now be installed with the following:
sudo zypper install snapd
You then need to either reboot, logout/login or source /etc/profile to have /snap/bin added to PATH.
Additionally, enable and start both the snapd and the snapd.apparmor services with the following commands:
sudo systemctl enable --now snapd
sudo systemctl enable --now snapd.apparmor
To install Day Night Theme Switcher, simply use the following command:
sudo snap install day-night-theme-switcher
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.