The advantage of using docker preview is that all prerequisites are determined and loaded automatically. This is the quickest way to preview LedgerSMB.
This method should NOT be used to install LSMB in a manner that allows internet wide connections.
On Ubuntu 22.04 use the following commands:
For the authoritative installation source see https://github.com/ledgersmb/LedgerSMB/blob/master/README.md