-If your system uses systemd, the arvados-ws service should already be set up. Start it and check its status:
-
-<notextile>
-<pre><code>~$ <span class="userinput">sudo systemctl restart arvados-ws</span>
-~$ <span class="userinput">sudo systemctl status arvados-ws</span>
-● arvados-ws.service - Arvados websocket server
- Loaded: loaded (/lib/systemd/system/arvados-ws.service; enabled)
- Active: active (running) since Tue 2016-12-06 11:20:48 EST; 10s ago
- Docs: https://doc.arvados.org/
- Main PID: 9421 (arvados-ws)
- CGroup: /system.slice/arvados-ws.service
- └─9421 /usr/bin/arvados-ws
-
-Dec 06 11:20:48 zzzzz arvados-ws[9421]: {"level":"info","msg":"started","time":"2016-12-06T11:20:48.207617188-05:00"}
-Dec 06 11:20:48 zzzzz arvados-ws[9421]: {"Listen":":9003","level":"info","msg":"listening","time":"2016-12-06T11:20:48.244956506-05:00"}
-Dec 06 11:20:48 zzzzz systemd[1]: Started Arvados websocket server.
-</code></pre>
-</notextile>
-
-If it is not running, use @journalctl@ to check logs for errors:
-
-<notextile>
-<pre><code>~$ <span class="userinput">sudo journalctl -n10 -u arvados-ws</span>
-...
-Dec 06 11:12:48 zzzzz systemd[1]: Starting Arvados websocket server...
-Dec 06 11:12:48 zzzzz arvados-ws[8918]: {"level":"info","msg":"started","time":"2016-12-06T11:12:48.030496636-05:00"}
-Dec 06 11:12:48 zzzzz arvados-ws[8918]: {"error":"pq: password authentication failed for user \"arvados\"","level":"fatal","msg":"db.Ping failed","time":"2016-12-06T11:12:48.058206400-05:00"}
-</code></pre>
-</notextile>