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Efefay
Asked: 2018-10-26 15:17:16 +0800 CST

How do I reinstall the software packages that came with Ubuntu 18.04?

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I uninstalled several GNOME applications, LibreOffice apps and various other apps. How do I reinstall them all at one without having to reinstall the operating system?

package-management reinstall

2 Answers

  1. Best Answer

    Installing the ubuntu-desktop package ought to pull the default packages.

    sudo apt install ubuntu-desktop
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  2. The default set of packages for 18.04 is listed in http://releases.ubuntu.com/18.04/ubuntu-18.04.1-desktop-amd64.manifest (for later releases, just go up to https://releases.ubuntu.com and navigate to the correct release/architecture for your situation).

    You can obtain the package names only from this textfile via the following command:

    curl http://releases.ubuntu.com/18.04/ubuntu-18.04.1-desktop-amd64.manifest | sed -e 's#\t.*##g'

    Therefore, you should be able to install those packages by passing the output of that command to apt install:

    # Ubuntu 18.04.1
sudo apt install $( curl http://releases.ubuntu.com/18.04/ubuntu-18.04.1-desktop-amd64.manifest | sed -e 's#\t.*##g' )

    If you're using another version or architecture (arch=amd64 in the above commands), you'll need to modify your command accordingly.

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