NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
sda           8:0    1  14.7G  0 disk 
└─sda1        8:1    1  14.7G  0 part /run/media/username/T72ER3G
nvme0n1     259:0    0 476.9G  0 disk 
├─nvme0n1p1 259:1    0     1G  0 part /boot/efi
├─nvme0n1p2 259:2    0    50G  0 part /home
└─nvme0n1p3 259:3    0 425.9G  0 part /var/lib/containers/storage/overlay

! thank you, but maybe you can tell me, how can I do it on a live system, please?