На старом ubuntu 16.04 на другом 20.04

SELinux нет, apparmor и там, и там никто не торгал, вот что выдает:

apparmor_status

apparmor module is loaded. 27 profiles are loaded. 27 profiles are in enforce mode. /sbin/dhclient /snap/core/17212/usr/lib/snapd/snap-confine /snap/core/17212/usr/lib/snapd/snap-confine//mount-namespace-capture-helper /usr/bin/evince /usr/bin/evince-previewer /usr/bin/evince-previewer//sanitized_helper /usr/bin/evince-thumbnailer /usr/bin/evince//sanitized_helper /usr/bin/ubuntu-core-launcher /usr/lib/NetworkManager/nm-dhcp-client.action /usr/lib/NetworkManager/nm-dhcp-helper /usr/lib/connman/scripts/dhclient-script /usr/lib/cups/backend/cups-pdf /usr/lib/lightdm/lightdm-guest-session /usr/lib/lightdm/lightdm-guest-session//chromium /usr/lib/snapd/snap-confine /usr/lib/snapd/snap-confine//mount-namespace-capture-helper /usr/sbin/cups-browsed /usr/sbin/cupsd /usr/sbin/cupsd//third_party /usr/sbin/ippusbxd /usr/sbin/ntpd /usr/sbin/tcpdump snap-update-ns.core snap.core.hook.configure webbrowser-app webbrowser-app//oxide_helper 0 profiles are in complain mode. 3 processes have profiles defined. 3 processes are in enforce mode. /sbin/dhclient (1944) /usr/sbin/cups-browsed (16032) /usr/sbin/cupsd (16030) 0 processes are in complain mode. 0 processes are unconfined but have a profile defined.

На старом ubuntu 16.04 на другом 20.04 SELinux нет, apparmor и там, и там никто не торгал, вот что выдает:

apparmor_status

apparmor module is loaded. 27 profiles are loaded. 27 profiles are in enforce mode. /sbin/dhclient /snap/core/17212/usr/lib/snapd/snap-confine /snap/core/17212/usr/lib/snapd/snap-confine//mount-namespace-capture-helper /usr/bin/evince /usr/bin/evince-previewer /usr/bin/evince-previewer//sanitized_helper /usr/bin/evince-thumbnailer /usr/bin/evince//sanitized_helper /usr/bin/ubuntu-core-launcher /usr/lib/NetworkManager/nm-dhcp-client.action /usr/lib/NetworkManager/nm-dhcp-helper /usr/lib/connman/scripts/dhclient-script /usr/lib/cups/backend/cups-pdf /usr/lib/lightdm/lightdm-guest-session /usr/lib/lightdm/lightdm-guest-session//chromium /usr/lib/snapd/snap-confine /usr/lib/snapd/snap-confine//mount-namespace-capture-helper /usr/sbin/cups-browsed /usr/sbin/cupsd /usr/sbin/cupsd//third_party /usr/sbin/ippusbxd /usr/sbin/ntpd /usr/sbin/tcpdump snap-update-ns.core snap.core.hook.configure webbrowser-app webbrowser-app//oxide_helper 0 profiles are in complain mode. 3 processes have profiles defined. 3 processes are in enforce mode. /sbin/dhclient (1944) /usr/sbin/cups-browsed (16032) /usr/sbin/cupsd (16030) 0 processes are in complain mode. 0 processes are unconfined but have a profile defined.