CachyOS Apps

Install Deadd Notification Center on CachyOS

Customizable notification-daemon with notification center.

From the official CachyOS repo. Install with pacman, no AUR helper needed.

Reviewed Nov 2, 2026 · independent guide

How do I install Deadd Notification Center on CachyOS?

Run this in a terminal:

sudo pacman -S deadd-notification-center-git

deadd-notification-center-git is in the cachyos repo, the CachyOS project's own package repository, so pacman installs it directly with no AUR helper and no build script. The package is signed with the CachyOS repository key, and pacman checks the signature before it installs.

What should I do after installing Deadd Notification Center?

  1. Run deadd-notification-center in a terminal.
  2. The package ships the systemd unit deadd-notification-center.service. Read the project docs before you enable it.
  3. Run pacman -Qi deadd-notification-center-git to see the installed version and the optional dependencies.

How do I update or remove Deadd Notification Center?

Update:

sudo pacman -Syu

Remove:

sudo pacman -Rns deadd-notification-center-git

What is Deadd Notification Center?

A notification daemon/center for linux.

Package description: Customizable notification-daemon with notification center

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    From GitHub

    phuhl/linux_notification_center · ★ 1,044 stars · last commit Feb 6, 2025 · latest release Aug 6, 2023

    Real issues opened by users on the project's GitHub, shown as written with a link to each one. 10 most reacted issues opened in the last two years plus the 5 newest issues, bots, pull requests, non English and political posts skipped, capped at 15 per repo. Fetched Nov 1, 2026.

    1. Project dead?Open

      The last contribution was 2 years ago... If you don't want to maintain it anymore, could you please archive it, so people know for sure?

      @Baerbeisser · · 3 comments · View on GitHub

    2. Script modification JSON input is corrupted by double-escaping in modifyNotiOpen

      Script modification JSON input is corrupted by double-escaping in modifyNoti When using a script-type modification rule (as documented in README's "Notification-based scripting" section), the notification JSON piped to the external script's STDIN is not valid JSON. Any field…

      @Chen-Rong-Zi · · 0 comments · View on GitHub

    3. plz get rid of notify-send.py dependenceClosed

      linux notify-send has implement '--replace-id' to omit id, notify-send.py broke last time I use, I have replace notify-send.py with notify-send with my volume control script, but deadd still rely on it to clear pause unpause reloadcss, I hope use notify-send to make my…

      @vincentaxhe · · 6 comments · View on GitHub

    4. Compilation on the latest Ubuntu fails with `Unknown scope type "forever"`Closed

      Checking out the source code, and running the following, produces an error. Error: Apparently, this is due to an update in glib: There is a haskell-gi issue and a fix. An update of the Stackage snapshot to the one that includes fixed haskell-gi:

      @illia-bobyr · · 0 comments · View on GitHub

    5. [BUG] Notifications disappear immediately.Open

      Just started trying out deadd, and I'm loving it so far. My only gripe is that notifications get dismissed less than a second after they are received. My default timeout is set to 10000ms and raising that number doesn't seem to have an effect. I've also tried a match/modify rule…

      @not-night-but · · 4 comments · View on GitHub

    6. badHeadClosed

      ❯ deadd-notification-center notificationDaemon started deadd-notification-center: Prelude.head: empty list CallStack (from HasCallStack): error, called at libraries/base/GHC/List.hs:1646:3 in base:GHC.List errorEmptyList, called at libraries/base/GHC/List.hs:85:11 in…

      @domenkozar · · 1 reactions · 2 comments · View on GitHub

    7. Issue when trying to runClosed

      When trying to run the binary file from the terminal, I get this message.

      @kmafeni04 · · 3 comments · View on GitHub

    8. how to use app-icon as imageClosed

      how can I trade places between app-icon and image so that app-icon is displayed at the left of the pop up?

      @regern80 · · 2 comments · View on GitHub

    9. bug, not libraryClosed

      @newyorkthink · · 2 comments · View on GitHub

    10. Automatic de-duplicationOpen

      If multiple notifications are read during a short timespan, such as if there are multiple tabs open for a site that sends desktop notifications, all of these notifications are displayed at once, and logged in the history pane. It would be good practice to do some intelligent…

      @erincerys · · 1 comments · View on GitHub

    11. Restack windows when a notification closesOpen

      When multiple notification windows are vertically stacked and one of them closes, the stack is not re-adjusted. The stack should re-arranged so that there are no empty spaces between the windows.

      @musjj · · 1 comments · View on GitHub

    12. Icon in the image positionClosed

      It would be nice if the application icon can be used as the image on the left (if no image is provided), just like dunst.

      @musjj · · 1 reactions · 1 comments · View on GitHub

    13. No icons on NixOSClosed

      deadd-notification-center isn't picking up my GTK icons. For NixOS, I think you need to directly provide the path to the GTK icon package to the application. For example, for the dunst module in home-manager will pass the icon package set by the user to the application: Right…

      @musjj · · 1 comments · View on GitHub

    14. Notification image interferes with left margin in popupClosed

      It seems the area for the notification image in popups has a non-zero width even if the widget isn't populated with any content. I'm not too sure why that happens, as the issue doesn't seem to affect notifications in the center. From my testing, at least 3 pixels are occupied by…

      @d3adb5 · · 3 comments · View on GitHub

    15. [bug] notification-center.buttons.button-height don't workClosed

      demo:

      @3JlOy-PYCCKUi · · 1 comments · View on GitHub

    Deadd Notification Center on CachyOS: questions

    Is Deadd Notification Center in the official CachyOS repo?

    Yes. The deadd-notification-center-git package is in the cachyos repo, version 2.1.1.r4.g6c3de46-1, built 2025-12-14. Install it with sudo pacman -S deadd-notification-center-git.

    Do I need an AUR helper for Deadd Notification Center?

    No. It comes from the cachyos repo, so plain pacman installs and updates it, and sudo pacman -Syu keeps it current.

    What is the Deadd Notification Center command?

    deadd-notification-center. The package is called deadd-notification-center-git.