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133 lines
5.9 KiB
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[#]: subject: "How to Uninstall Deb Packages in Ubuntu"
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[#]: via: "https://itsfoss.com/uninstall-deb-ubuntu/"
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[#]: author: "Abhishek Prakash https://itsfoss.com/"
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[#]: collector: "lkxed"
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[#]: translator: "geekpi"
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[#]: reviewer: " "
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[#]: publisher: " "
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[#]: url: " "
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How to Uninstall Deb Packages in Ubuntu
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======
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Installing applications from a deb file is quite simple. You double click on it and it opens in the Software Center application and you install it from there.
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[Installing applications from a deb file][1] is quite simple. You double click on it and it opens in the Software Center application and you install it from there.
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But what about uninstalling a .deb package in Ubuntu or Debian? How do you remove the package you installed some time back.
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While there are several ifs and buts around it, the simplest and most reliable way of deleting a deb file is by using the apt remove command.
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```
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sudo apt remove program_name
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```
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As you can see, **you need to know the exact package name here**. This may not always be straightforward. For example, if you install Google Chrome on Ubuntu, the program is known as ‘google-chrome-stable’ in the command line. Did you already know that? I guess not.
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In this tutorial, I’ll go into detail about finding the exact package name and then using it to remove the application. I’ll also discuss using a graphical method for deleting .deb packages.
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### Removing package installed via deb files from Ubuntu
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Before I show you how to remove deb packages from the command line, let’s just quickly look at it in the Software Center application.
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#### Method 1: Check if the application can be removed from the software center
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Ubuntu has the Software Center GUI application that allows to search for applications, install them and remove them.
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The Software Center may not show the application installed when you search for it.
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![Searching for installed applications may not show any results in Ubuntu Software Center][2]
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However, you may still find it under the “Installed” section if you scroll down. The external applications are usually displayed without their logo.
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![Some installed applications can be found in the ‘installed’ tab of the Software Center][3]
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If you find it, you can remove the application by clicking the trash icon or remove button.
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![Removing applications from the Ubuntu software center][4]
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**Bottom line: Check if the application can be removed from the software center.**
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#### Method 2: Delete applications using apt command
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I am presuming that you don’t know the exact name of the application command. It is only natural that you may not know that Google Chrome is installed as google-chrome-stable and Edge is installed as microsoft-edge-stable.
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The tab completion may help if you have the first few letters. Otherwise, you can [list the installed applications with apt command][5] and use grep to search for the application name:
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```
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apt list --installed | grep -i possible_package_name
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```
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For example, you can intelligently guess that the Google Chrome package should have chrome in its name. You may search it like this:
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```
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apt list --installed | grep -i chrome
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```
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You may get more than one result in some cases.
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![check if google chrome installed in ubuntu][6]
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If you are not sure what the packages do, you can always get their details with:
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```
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apt info exact_package_name
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```
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Once you have the exact package name, you can delete it using the apt remove command.
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```
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sudo apt remove exact_package_name
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```
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You can also use apt-get remove or dpkg uninstall commands.
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![Removing applications installed via deb files using the apt command][7]
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#### Method 3: Use Synaptic Package Manager to remove deb applications
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Another method is to use the [Synaptic Package Manager][8]. Before GNOME created its graphical package manager in the form of the Software Center, Synaptic was the default GUI package manager in Ubuntu and many other distributions.
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It is still the recommended tool on the [Xfce desktop environment][9].
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Install it first:
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```
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sudo apt install synaptic
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```
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Open Synaptic and search for the package name. Look for the installed packages that are marked green. Right-click on them and click on ‘mark for removal’. Hit apply after that.
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![Removing Deb packages using Synaptic package manager][10]
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### Did it help you?
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I am more than comfortable using the apt command to remove the packages installed from .deb files. But I can understand that not everyone is comfortable using the command line.
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I find the Software Center lacking when it comes to the removal of applications installed from external deb files. It could do a better job here.
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I hope you have a better understanding of removing deb packages now. Let me know if you have any questions.
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/uninstall-deb-ubuntu/
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作者：[Abhishek Prakash][a]
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选题：[lkxed][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/
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[b]: https://github.com/lkxed
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[1]: https://itsfoss.com/install-deb-files-ubuntu/
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[2]: https://itsfoss.com/wp-content/uploads/2022/07/search-for-installed-applications-ubuntu-software-center.png
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[3]: https://itsfoss.com/wp-content/uploads/2022/07/installed-applications-in-ubuntu-software-center-scaled.webp
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[4]: https://itsfoss.com/wp-content/uploads/2022/07/removing-applications-from-ubuntu-software-center-scaled.webp
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[5]: https://itsfoss.com/list-installed-packages-ubuntu/
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[6]: https://itsfoss.com/wp-content/uploads/2022/07/check-if-google-chrome-installed-in-Ubuntu.png
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[7]: https://itsfoss.com/wp-content/uploads/2022/07/removing-deb-files-applications-ubuntu.png
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[8]: https://itsfoss.com/synaptic-package-manager/
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[9]: https://www.xfce.org/
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[10]: https://itsfoss.com/wp-content/uploads/2022/07/removing-deb-files-using-synaptic-scaled.webp
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