Chapter 5. Managing Jupyter notebook servers

Procedure

1. On the page that opens when you launch Jupyter, click the Administration tab.

2. On the Administration tab, perform the following actions:

   1. In the Users section, locate the user whose notebook server you want to start.
   2. Click Start server beside the relevant user.
   3. Complete the Start a notebook server page.
   4. Optional: Select the Start server in current tab checkbox if necessary.

   5. Click Start server.

      After the server starts, you see one of the following behaviors:

      • If you previously selected the Start server in current tab checkbox, the JupyterLab interface opens in the current tab of your web browser.

      • If you did not previously select the Start server in current tab checkbox, the Starting server dialog box prompts you to open the server in a new browser tab or in the current tab.

        The JupyterLab interface opens according to your selection.

Procedure

1. On the page that opens when you launch Jupyter, click the Administration tab.

2. On the Administration page, perform the following actions:

   1. In the Users section, locate the user that the notebook server belongs to.
   2. Click View server beside the relevant user.
   3. On the Notebook server control panel page, click Access notebook server.

Procedure

1. On the page that opens when you launch Jupyter, click the Administration tab.

2. Stop one or more servers.

   • If you want to stop one or more specific servers, perform the following actions:

     1. In the Users section, locate the user that the notebook server belongs to.

     2. To stop the notebook server, perform one of the following actions:

        • Click the action menu (⋮) beside the relevant user and select Stop server.

        • Click View server beside the relevant user and then click Stop notebook server.

          The Stop server dialog box appears.

     3. Click Stop server.

   • If you want to stop all servers, perform the following actions:

     1. Click the Stop all servers button.
     2. Click OK to confirm stopping all servers.

Procedure

1. From the OpenShift AI dashboard, click Settings Cluster settings.
2. Under Stop idle notebooks, select Stop idle notebooks after.
3. Enter a time limit, in hours and minutes, for when idle notebooks are stopped.
4. Click Save changes.

Procedure

1. From the OpenShift AI dashboard, click Settings Cluster settings.
2. Under Notebook pod tolerations, select Add a toleration to notebook pods to allow them to be scheduled to tainted nodes.
3. In the Toleration key for notebook pods field, enter a toleration key. The key is any string, up to 253 characters. The key must begin with a letter or number, and can contain letters, numbers, hyphens, dots, and underscores. For example, notebooks-only.

4. Click Save changes. The toleration key is applied to new notebook pods when they are created.

   For existing notebook pods, the toleration key is applied when the notebook pods are restarted.

Verification

1. In the OpenShift console, for a pod that is running, click Workloads Pods. Otherwise, for a pod that is stopped, click Workloads StatefulSet.
2. Search for your workbench pod name and then click the name to open the pod details page.
3. Confirm that the assigned Node and Tolerations are correct.