mkdir /mnt/extHDD mount /dev/sdbX /mnt/extHDD pvesm add dir extHDD --path /mnt/extHDD --content backup
port number = common port + index (eg 22+2 for ssh observium)
qm set <vmid> -args "--redir tcp:222::22"
stop & start VM
nano /etc/hostname nano /etc/hosts /etc/init.d/hostname.sh start
sudo fdisk /dev/sdX n w
nebo
cfdisk /dev/sdX New - Primary - Specify size in MB Write Quit
pvcreate /dev/sdX1
vgcreate nazev /dev/sdb1