ubuntu-mate@ubuntu-mate:~$ setxkbmap de # deutsches Tastaturlayout einstellen
ubuntu-mate@ubuntu-mate:~$ sudo pvscan
PV /dev/sda1 VG ubuntu-mate-vg lvm2 [28.87 GiB / 4.00 MiB free]
Total: 1 [28.87 GiB] / in use: 1 [28.87 GiB] / in no VG: 0 [0 ]
ubuntu-mate@ubuntu-mate:~$ sudo vgscan
Reading volume groups from cache.
Found volume group "ubuntu-mate-vg" using metadata type lvm2
ubuntu-mate@ubuntu-mate:~$ sudo lvscan
ACTIVE '/dev/ubuntu-mate-vg/root' [27.91 GiB] inherit
ACTIVE '/dev/ubuntu-mate-vg/swap_1' [976.00 MiB] inherit
ubuntu-mate@ubuntu-mate:~$ lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
loop0 squashfs /rofs
loop1 squashfs /snap/core/4486
loop2 squashfs /snap/pulsemixer/8
loop3 squashfs /snap/software-boutique/31
loop4 squashfs /snap/ubuntu-mate-welcome/169
sda
└─sda1 LVM2_member kGkv4m-WhJm-MLpi-0y0V-zvEP-0je7-5tg9Z7
├─ubuntu--mate--vg-root ext4 ee271915-5c69-43b8-b9e8-8d51d5c5e225
└─ubuntu--mate--vg-swap_1 swap 86e6bedc-09b1-4ecf-aeca-60d9e3cd743a
sr0 iso9660 Ubuntu-MATE 18.04 LTS amd64 2018-04-26-18-48-56-00 /cdrom
ubuntu-mate@ubuntu-mate:~$ find /dev -iname '*ubuntu*'
/dev/ubuntu-mate-vg
/dev/disk/by-label/Ubuntu-MATE\x2018.04\x20LTS\x20amd64
/dev/disk/by-id/dm-name-ubuntu--mate--vg-swap_1
/dev/disk/by-id/dm-name-ubuntu--mate--vg-root
/dev/mapper/ubuntu--mate--vg-swap_1
/dev/mapper/ubuntu--mate--vg-root
ubuntu-mate@ubuntu-mate:~$ ls -l /dev/mapper/ubuntu--mate--vg-root
lrwxrwxrwx 1 root root 7 Nov 17 10:11 /dev/mapper/ubuntu--mate--vg-root -> ../dm-0
ubuntu-mate@ubuntu-mate:~$ ls -l /dev/ubuntu-mate-vg/root
lrwxrwxrwx 1 root root 7 Nov 17 10:11 /dev/ubuntu-mate-vg/root -> ../dm-0
ubuntu-mate@ubuntu-mate:~$