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Description

The best protection against vulnerable software is running less software. This section describes how to review the software which Ubuntu 20.04 installs on a system and disable software which is not needed. It then enumerates the software packages installed on a default Ubuntu 20.04 system and provides guidance about which ones can be safely disabled.

Ubuntu 20.04 provides a convenient minimal install option that essentially installs the bare necessities for a functional system. When building Ubuntu 20.04 systems, it is highly recommended to select the minimal packages and then build up the system from there.