[Risolto] Abilitare super utente (su) e disattivare sudo

Ciao ragazzi,
vorrei attivare il super utente, disattivando sudo. Sapete dire come si fa? Mi ricordo che nei vecchi Fedora per accedere a zone protette si utilizzava solo il super utente.
Questo è il mio sistema:

[andrea@dell sbin]$ uname -a Linux dell 5.2.18-200.fc30.x86_64 #1 SMP Tue Oct 1 13:14:07 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

[andrea@dell sbin]$ groups andrea wheel

Questi sono i gruppi presenti:

[andrea@dell ~]$ cat /etc/group root:x:0: bin:x:1: daemon:x:2: sys:x:3: adm:x:4: tty:x:5: disk:x:6: lp:x:7: mem:x:8: kmem:x:9: wheel:x:10:andrea cdrom:x:11: mail:x:12: man:x:15: dialout:x:18: floppy:x:19: games:x:20: tape:x:33: video:x:39: ftp:x:50: lock:x:54: audio:x:63: users:x:100: nobody:x:65534: utmp:x:22: utempter:x:35: input:x:999: kvm:x:36:qemu render:x:998: systemd-journal:x:190: systemd-coredump:x:997: systemd-network:x:192: systemd-resolve:x:193: dbus:x:81: systemd-timesync:x:996: tss:x:59: polkitd:x:995: dip:x:40: printadmin:x:994: gluster:x:993: rtkit:x:172: pulse-access:x:992: pulse-rt:x:991: pulse:x:171: qemu:x:107: nm-openconnect:x:990: usbmuxd:x:113: chrony:x:989: geoclue:x:988: avahi:x:70: pipewire:x:987: dnsmasq:x:986: saslauth:x:76: radvd:x:75: rpc:x:32: ssh_keys:x:985: libvirt:x:984: openvpn:x:983: nm-openvpn:x:982: unbound:x:981: abrt:x:173: brlapi:x:980: apache:x:48: colord:x:979: rpcuser:x:29: gdm:x:42: gnome-initial-setup:x:978: sshd:x:74: slocate:x:21: vboxsf:x:977: tcpdump:x:72: andrea:x:1000: flatpak:x:976: jackuser:x:975: akmods:x:974: vboxusers:x:973: wbpriv:x:88:

https://forum.fedoraonline.it/viewtopic.php?pid=245850#p245850

Grazie!