0 Upgraded 0 Newly Installed 0 To Remove And 1 Not Upgraded

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Jul 04, 2024

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0 Upgraded, 0 Newly Installed, 0 to Remove, and 1 Not Upgraded: Understanding Debian Package Management

When working with Debian-based systems, you may encounter a message like "0 upgraded, 0 newly installed, 0 to remove, and 1 not upgraded" while trying to update or install packages using the apt package manager. In this article, we will explore what this message means and how to address the issue.

What does the message mean?

The message "0 upgraded, 0 newly installed, 0 to remove, and 1 not upgraded" is a status report from the apt package manager. Let's break down each part of the message:

• 0 upgraded: This indicates that no packages were upgraded or updated to a newer version.
• 0 newly installed: No new packages were installed.
• 0 to remove: No packages were marked for removal.
• 1 not upgraded: One package was not upgraded, meaning it was not updated to a newer version.

Why does this happen?

There are several reasons why you may see this message:

1. Dependency issues: Sometimes, a package depends on another package that is not installed or is not at the required version. This can prevent the package from being upgraded.
2. Package conflicts: Two or more packages may conflict with each other, causing one of them to not be upgraded.
3. Unmet dependencies: A package may require additional dependencies that are not installed, preventing it from being upgraded.
4. Package holding back: A package may be held back or pinned to a specific version, preventing it from being upgraded.

How to address the issue?

To resolve the issue, you can try the following steps:

1. Run apt update again: Sometimes, re-running apt update can resolve the issue.
2. Check package dependencies: Use apt-cache policy <package_name> to check the dependencies of the package that is not being upgraded.
3. Install missing dependencies: Install any missing dependencies required by the package.
4. Remove conflicting packages: Remove any packages that are conflicting with the package that is not being upgraded.
5. Unhold or unpin the package: Use apt-mark unhold <package_name> or apt-mark unpin <package_name> to unhold or unpin the package, allowing it to be upgraded.

Conclusion

The message "0 upgraded, 0 newly installed, 0 to remove, and 1 not upgraded" is not an error, but rather a status report indicating that one package was not upgraded due to various reasons. By understanding the causes and applying the suggested solutions, you can resolve the issue and ensure that your Debian-based system is up-to-date and running smoothly.