---
title: "Appendix A: Install Prerequisites"
slug: "s3suite94-appendix-a-install-prerequisites"
updated: 2026-10-27T18:41:54Z
published: 2026-10-27T18:41:54Z
canonical: "docs.onespan.com/s3suite94-appendix-a-install-prerequisites"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.onespan.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Appendix A: Install Prerequisites

## Install Rancher Desktop on MacOS

Download Rancher Desktop Installer from [https://rancherdesktop.io/](https://rancherdesktop.io/).

| ![](https://cdn.document360.io/038f59a7-abd0-4c14-9de7-3434d28b49fd/Images/Documentation/image7(7).png?sv=2026-02-06&spr=https&st=2026-10-29T04%3A15%3A03Z&se=2026-10-29T05%3A15%3A03Z&sr=c&sp=r&sig=4l0EQMZlimMOcFL0lEyiFsHhY1a7ErAuphr0cRbzpY4%3D) | Double click the downloaded file and drag the Rancher Desktop icon to the application directory shown in the installer window to complete the installation. |
| --- | --- |
| ![](https://cdn.document360.io/038f59a7-abd0-4c14-9de7-3434d28b49fd/Images/Documentation/image4(17).png?sv=2026-02-06&spr=https&st=2026-10-29T04%3A15%3A03Z&se=2026-10-29T05%3A15%3A03Z&sr=c&sp=r&sig=4l0EQMZlimMOcFL0lEyiFsHhY1a7ErAuphr0cRbzpY4%3D) | Launch the Rancher Desktop application. You see the alert shown here. Click **Open**. |

The Rancher Desktop dialog appears. Clear the **Enable Kubernetes** checkbox and select **dockerd (moby)**. Click **Accept**.

The Rancher Desktop app appears. Pull down the Menu item **Open Preferences Dialog**.

Choose **Virtual Machine** from the left navigation bar and change **Memory (GB)** to 6 GB and **# CPUs** to 4. Click **Apply**.

Still on **Virtual Machine** preferences, click the **Volumes** tab and choose **virtiofs**. Click **Apply**.

Still on **Virtual Machine** preferences, click the **Emulation** tab and choose **VZ**. Click **Apply**.

Open the Terminal app on your Mac. Run:

```plaintext
which docker
```

If the docker command is not in $HOME/.rd/bin directory, do the following:

1. Edit .bashrc / .zshrc or any other init scripts currently in use for your account to include $HOME/.rd/bin in your path.
2. Source your change or re-login for this PATH change to be effective.
3. Confirm that the change is effective by running: docker image ls command. This command should show something similar to:

```plaintext
$ docker image ls
REPOSITORY                         TAG                    IMAGE ID       CREATED         SIZE
rancher/rancher                    latest                 23fb5e281dd6   4 weeks ago     1.62GB
rancher/mirrored-library-busybox   1.34.1                 ca9d74fb2502   9 months ago    1.41MB
rancher/mirrored-library-traefik   2.6.1                  89657e32bf0a   11 months ago   99.6MB
rancher/mirrored-coredns-coredns   1.9.1                  f40c41555cd4   11 months ago   49.6MB
rancher/local-path-provisioner     v0.0.21                fe8bc53de6e4   14 months ago   32.4MB
rancher/mirrored-metrics-server    v0.5.2                 1d64d3e888a2   15 months ago   60.8MB
rancher/klipper-lb                 v0.3.4                 625882d9991e   16 months ago   7.29MB
rancher/klipper-helm               v0.6.6-build20211022   3b7ad2a8ddb9   16 months ago   228MB
registry.k8s.io/pause              3.6                    7d46a07936af   18 months ago   484kB
rancher/mirrored-pause             3.5                    f7ff3c404263   23 months ago   484kB
```

Also confirm that the docker pull command works by running:

```plaintext
$ docker image pull redhat/ubi9-minimal:9.5
9.5: Pulling from redhat/ubi9-minimal
3d6e338d0c59: Pull complete
Digest: sha256:085c5049f5bd0b3cb33c322306a528373f79dc6f1098ff8f5a5b28f2685c53f8
Status: Downloaded newer image for redhat/ubi9-minimal:9.5
docker.io/redhat/ubi9-minimal:9.5
$ docker run --rm redhat/ubi9-minimal:9.5 echo hello world
hello world
```

## Install Docker Community Edition (CE)

Follow these instructions to install Docker CE on Rocky Linux. For more information and downloads, see [https://docs.docker.com/engine/install](https://docs.docker.com/engine/install).

```plaintext
sudo dnf check-update
sudo dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo dnf update -y
sudo dnf install docker-ce docker-ce-cli containerd.io docker-compose-plugin
docker --version
sudo systemctl start docker
sudo systemctl status docker
sudo groupadd docker
sudo usermod -aG docker $USER
newgrp docker
```

### Verify the Docker CE installation

The following commands verify the Docker CE installation on Rocky Linux.

```plaintext
vi docker-compose.yaml
```

Use the following sample compose content:

```plaintext
services:
  hello:
    image: alpine:latest
    command: [/bin/echo, 'Hello there!']
```

Run these commands to verify the installation:

```plaintext
docker compose up
# 'Hello there!' should show up in the console
docker compose down
```