Software & AppsOperating SystemLinux

How To Fix Unity Tweak Tool Error: com.canonical.notify-osd

Ubuntu 7

In this article, we’ll provide a step-by-step guide on how to fix the Unity Tweak Tool error: com.canonical.notify-osd. This error is common among Ubuntu users and can be resolved by following the methods outlined below.

Understanding the Error

The error com.canonical.notify-osd is typically encountered when there’s a problem with the notify-osd package or its dependencies. This package is responsible for managing on-screen notifications in Ubuntu. When it’s not working correctly, it can prevent the Unity Tweak Tool from functioning as expected.

Method 1: Reinstalling the notify-osd package

The first method to resolve this error is by reinstalling the notify-osd package. This can be done using the terminal. The terminal can be opened by pressing Ctrl+Alt+T.

Once the terminal is open, type the following command:

sudo apt-get install --reinstall notify-osd

The sudo command allows you to run commands with administrative privileges, apt-get is the package handling utility in Ubuntu, install is the command to install new packages, --reinstall tells the system to reinstall the package, and notify-osd is the name of the package.

Method 2: Using Synaptic Package Manager

If the first method doesn’t resolve the issue, you can use the Synaptic Package Manager to search for notify-osd and install it.

To do this, open Synaptic, search for notify-osd, and install it. If Synaptic Package Manager is not installed on your system, you can install it using the following command:

sudo apt-get install synaptic

Method 3: Resolving Dependency Issues

In some cases, updating notify-osd may lead to another error related to the missing schema com.canonical.desktop.interface. To fix this, you can install the unity-webapps-service package.

To do this, open the terminal and run the following command:

sudo apt-get install unity-webapps-service

If there are any dependency issues, the terminal may suggest running apt-get -f install. In that case, run the following command:

sudo apt-get -f install

The -f option in apt-get -f install stands for fix-broken. It attempts to correct a system with broken dependencies in place.

Method 4: Installing the overlay-scrollbar and notify-osd packages

Another method to resolve this error is by installing the overlay-scrollbar and notify-osd packages.

To do this, open the terminal and run the following commands:

sudo apt-get install overlay-scrollbar
sudo apt-get install notify-osd

The overlay-scrollbar package provides a scrollbar that is hidden until the pointer is nearby, thereby increasing the available screen space.

By following these methods, you should be able to resolve the Unity Tweak Tool error: com.canonical.notify-osd. If you’re still encountering issues, consider seeking help from the Ubuntu community or a trusted IT professional.

What is Unity Tweak Tool?

Unity Tweak Tool is a utility for Ubuntu users that allows them to customize various aspects of the Unity desktop environment, such as appearance, behavior, and window management options.

How can I open the terminal in Ubuntu?

To open the terminal in Ubuntu, you can press Ctrl+Alt+T on your keyboard. This keyboard shortcut will launch the terminal window.

What is the purpose of the `sudo` command?

The sudo command in Ubuntu allows you to run commands with administrative privileges. It is often used when installing or modifying system packages, as these actions require elevated permissions.

How can I install a package using `apt-get`?

To install a package using apt-get, you can open the terminal and use the following command:

sudo apt-get install [package-name]

Replace [package-name] with the name of the package you want to install.

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