пытаюсь понять, как не включать системные группы в мой список групп

apt -получить обновление

updates the local package database, so that your local system knows what is available

"Run this command periodically to make sure your source list is up-to-date. "

apt -получить обновление

upgrades all the packages with-in your current distribution that need updated to current with regard to the latest that the package database has.

" This command upgrades all installed packages."

apt -получить dist -обновить

" The same as the above, except add the "smart upgrade" checkbox. It tells APT to use "smart" conflict resolution system, and it will attempt to upgrade the most important packages at the expense of less important ones if necessary. "

Управление пакетами с помощью APThttps://help.ubuntu.com/community/AptGet/Howto