Ubuntu Server 18.04 LTS

Linux Bedrock Dedicated Server Alpha starts when you issue the command "LD_LIBRARY_PATH=. ./bedrock_server" but does not open a port to listen for incoming connections.

NO LOG FILE! - setting up server logging...
NO LOG FILE! - [2018-09-19 15:28:21 INFO] Starting Server
NO LOG FILE! - [2018-09-19 15:28:21 INFO] Version 1.6.1.0
NO LOG FILE! - [2018-09-19 15:28:21 INFO] Level Name: WholeNewWorld
NO LOG FILE! - [2018-09-19 15:28:21 INFO] Game mode: 0 Survival
NO LOG FILE! - [2018-09-19 15:28:21 INFO] Difficulty: 2 NORMAL
NO LOG FILE! - [2018-09-19 15:28:22 INFO] IPv4 supported, port: 19132
NO LOG FILE! - [2018-09-19 15:28:22 INFO] IPv6 not supported
NO LOG FILE! - [2018-09-19 15:28:22 INFO] Listening on IPv6 port: 19133
NO LOG FILE! - [2018-09-19 15:28:22 INFO] Listening on IPv4 port: 19132

root@dc:/bedrock# netstat --tcp --listen --numeric-ports
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:25565 0.0.0.0:* LISTEN
tcp 0 0 localhost:53 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 localhost:631 0.0.0.0:* LISTEN
tcp 0 0 localhost:58618 0.0.0.0:* LISTEN
tcp6 0 0 [::]:443 [::]:* LISTEN
tcp6 0 0 localhost:8005 [::]:* LISTEN
tcp6 0 0 [::]:80 [::]:* LISTEN
tcp6 0 0 dc.rowley.local:36885 [::]:* LISTEN
tcp6 0 0 [::]:22 [::]:* LISTEN
root@dc:/bedrock#