Es wurde der user Teamspeak angelegt:

alfred@slainte:~$ ls /home/teamspeak/
 CHANGELOG                           serverquerydocs
 doc                                 sql
 examples.desktop                    ssh_host_rsa_key
 files                               teamspeak3-server_linux_amd64
'ince Fri 2020-01-10 12:30:03 UTC'   ts3server
 libts3db_mariadb.so                 ts3server_minimal_runscript.sh
 libts3db_sqlite3.so                 ts3server.pid
 libts3_ssh.so                       ts3server.sqlitedb
 LICENSE                             ts3server.sqlitedb-shm
 logs                                ts3server.sqlitedb-wal
 query_ip_blacklist.txt              ts3server_startscript.sh
 query_ip_whitelist.txt              tsdns
 redist

und ein Service eingerichtet.

alfred@slainte:~$ systemctl status teamspeak.service
Display all 550 possibilities? (y or n)
alfred@slainte:~$ systemctl status teamspeak.service
● teamspeak.service - TeamSpeak 3 Server
   Loaded: loaded (/lib/systemd/system/teamspeak.service; enabled; vendor preset
   Active: active (running) since Fri 2020-01-10 12:30:03 UTC; 41min ago
  Process: 12275 ExecStart=/home/teamspeak/ts3server_startscript.sh start inifil
 Main PID: 12282 (ts3server)
    Tasks: 17 (limit: 4915)
   CGroup: /system.slice/teamspeak.service
           └─12282 ./ts3server inifile=ts3server.ini daemon=1 pid_file=ts3server

Fragen zur Einrichtung bitte an Christoph Sabitzer.