apt-cdrom-check
apt-check
apt_check.py
backend_helper.py
cddistupgrader
distro-cd-updater
list-oem-metapackages
livepatch-notification
package-data-downloader
package-system-locked
system-crash-notification
ubuntu-advantage-notification
update-motd-fsck-at-reboot
update-motd-hwe-eol
update-motd-reboot-required
update-motd-updates-available
update-notifier-crash