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Operate your Cloud

Follow, turn off and turn back on the Cloud: from the app on Windows, macOS and Linux with a screen, and from the CLI on a headless Linux server.

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How you follow the Cloud depends on where it was turned on.

On Windows, macOS and Linux with a screen

Everything is in Settings → Elyra Cloud, on the Make this computer your Cloud card:

The card shows What it means
Starting… The Cloud is coming up and asking the account for the address.
Up since HH:MM The Cloud is up. Copy copies the address; Open opens it in the browser.
Reconnecting… The connection to the address dropped and is coming back on its own.
Off The Cloud is not turned on on this computer.
  • Turn it off: click Turn off and confirm. Anyone connected through the address loses the connection.
  • Turn it back on: click Turn on again.
  • Quitting Elyra also turns the Cloud off. When you open the app again, check the card: if it says Off, click Turn on.

On a headless Linux server

On the server, Elyra Cloud runs as the user service elyra-cloud.service. You follow it with the elyra cloud CLI and with systemctl.

elyra cloud status

elyra cloud status [--json]

Shows whether the server is ready. It exits with an error when it cannot reach it. If the server started on a different port than the preferred one (6768 was busy), the command reports the real port.

elyra cloud stop

elyra cloud stop [--json]

Stops Elyra Cloud on this computer. When it runs as a service, the command stops the service; the service stays enabled and comes back when the machine reboots or when you start it again. When stopping, the server also releases the address in the account. The command only says “stopped” after confirming the stop, and exits with an error if it could not:

  • not running: nothing to stop.
  • could not confirm: check with elyra cloud status and run it again.

elyra cloud start

elyra cloud start [--json]

Starts the server in the foreground, in the terminal (Ctrl+C or elyra cloud stop stop it). You usually do not need it: the service already does this. If Cloud is already running, the command says so and does not start another one.

elyra cloud desinstalar

elyra cloud desinstalar [--sim] [--json]

Removes the Cloud installed on this machine. It is covered in Turn off or uninstall.

The service through systemctl

systemctl --user status elyra-cloud.service     # state
systemctl --user restart elyra-cloud.service    # restart (generates a new code if not yet activated)
systemctl --user stop elyra-cloud.service       # stop
systemctl --user start elyra-cloud.service      # start

See the log

journalctl --user -t elyra-cloud -f

Shows what the service writes, live: the activation code, the address and errors.

The service comes back by itself

  • After the machine reboots: the service is enabled, and the user’s linger lets their systemd start without a login.
  • After a failure: systemd tries again every 30 seconds. Errors that are pointless to repeat (such as a refused activation) stop the service, and the reason stays in the log.

Next steps