Server : Apache/2.4.52 (Ubuntu) System : Linux webserver 6.8.0-49-generic #49~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Nov 6 17:42:15 UTC 2 x86_64 User : www-data ( 33) PHP Version : 8.1.2-1ubuntu2.21 Disable Function : NONE Directory :  /usr/share/ubuntu-release-upgrader/

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# deny list of packages that should never be removed
ubuntu-standard
ubuntu-minimal
ubuntu-desktop$
kubuntu-desktop
xubuntu-desktop
lubuntu-desktop
mythbuntu-desktop
ubuntustudio-desktop
ubuntu-mate-core
ubuntu-mate-desktop
# ubuntu-release-upgrader should not remove itself or update-manager
update-manager$
update-manager-core
ubuntu-release-upgrader-core
# if for example postgresql-10 is purged the cluster can be dropped which we
# should prevent (LP: #871893, #1825563)
^postgresql-.*[0-9]\.[0-9].*
^postgresql-.*[0-9][0-9].*
# the upgrade runs in it
^screen$
# the upgrade might be run over ssh
^openssh-server$