Extend the root volume in TurnKey Linux Nextcloud appliance VM

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After adding an additional drive to the VM in Proxmox:

Note

Change /dev/sdb on this post with the path to the disk you just added to the VM

pvcreate /dev/sdb

Extending the turnkey volume group by adding the physical volume /dev/sdb

vgextend turnkey /dev/sdb

Extending the root logical volume on the turnkey volume group

lvextend -l +100%FREE /dev/turnkey/root

Resizing the root filesystem

resize2fs /dev/turnkey/root

Note

All these changes are done while the system is running. No need to reboot.