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Software Bill of Materials (SBOM)

A Software Bill of Materials (SBOM) in the context of Ubuntu is a list of software components, applications, libraries, and modules that are installed by the operating system. Ubuntu consists of several packages that depend on other packages such as shared libraries. These are shipped on different forms such as debs and snaps. The following sections show how to get the list for each type of packages to assist you in keeping your systems up-to-date.

List of deb packages

To see the package dependencies in Ubuntu use:

$ dpkg -l

The output is a list of packages similarly to the following.

| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                             Version                               Architecture Description
ii  apparmor                                         3.0.3-0ubuntu1                        amd64        user-space parser utility for AppArmor
rc  apparmor-utils                                   3.0.0-0ubuntu7.1                      amd64        utilities for controlling AppArmor
ii  apt                                              2.3.9                                 amd64        commandline package manager

List of snap packages

$ snap list

This outputs a list such as the one below.

Name                     Version                      Rev    Tracking         Publisher          Notes
bare                     1.0                          5      latest/stable    canonical✓         base
canonical-livepatch      10.1.2                       126    latest/stable    canonical✓         -

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