$ sudo teamviewer passwd [NewPasswd ]

$ teamviewer info

 TeamViewer                           13.0.6634  (DEB)
 TeamViewer ID:                        123456789

 teamviewerd status                   ● teamviewerd.service - TeamViewer remote control daemon
   Loaded: loaded (/etc/systemd/system/teamviewerd.service; enabled; vendor preset: enabled)
   Active: active (running) since Wed 2018-05-30 16:14:10 CST; 18s ago
  Process: 31386 ExecStart=/opt/teamviewer/tv_bin/teamviewerd -d (code=exited, status=0/SUCCESS)
 Main PID: 31389 (teamviewerd)
    Tasks: 54
   Memory: 17.0M
      CPU: 128ms
   CGroup: /system.slice/teamviewerd.service
           └─31389 /opt/teamviewer/tv_bin/teamviewerd -d

May 30 16:14:10 iApi0202 systemd[1]: Starting TeamViewer remote control daemon...
May 30 16:14:10 iApi0202 systemd[1]: teamviewerd.service: PID file /var/run/teamviewerd.pid not readable (yet?) after start: No such file or directory
May 30 16:14:10 iApi0202 systemd[1]: Started TeamViewer remote control daemon.

sudo teamviewer --daemon stop
sudo teamviewer --daemon start

sudo teamviewer --daemon restart