List default packages installed in Ubuntu

This article covers mainly two scenarios. We can check for default packages even before installing Ubuntu. And, in another we can list the default installed packages after we have installed Ubuntu.

This would help us choose the right Ubuntu distribution as per our requirements.

I. On the Ubuntu release’s official website, the location from where we can download the ISO image. There is .manifest file like – ubuntu-21.04-desktop-amd64.manifest

Click the manifest file, it would show us all the packages along with version numbers for that particular ISO image.

Manifest file contains all the information about the packages of that ISO image.

From here, we can see what all packages will install if we choose this particular distribution.

II. But, in case we are already running a Ubuntu distribution. Then, open a terminal and issue the following –

apt list --installed

This will provide us a list of packages which are already installed.

To check for installation of a specific package –

apt list -a <package_name>

For instance, to check for VLC Media Player –

apt list -a vlc

If the package is installed then, it would return with package name and its version number.

In conclusion, we have discussed how to list default packages installed in Ubuntu distribution.

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