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)

1. mqtt
2. observium (24:ssh, 81:web)

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

1. Datacenter
2. Add
3. LVM