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kjw3 merged 3 commits into from
Mar 23, 2026
Merged

docs: simplify Spark quick start and update prerequisites #735

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docs: simplify Spark quick start and update prerequisites
paritoshd-nv Mar 23, 2026
61f897f
Merge branch 'main' into docs/spark-setup-update1
paritoshd-nv Mar 23, 2026
fa204cc
docs: Remove trailing-whitespace and fix coderabbit reviews
paritoshd-nv Mar 23, 2026
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2 changes: 0 additions & 2 deletions scripts/setup-spark.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -138,5 +138,3 @@ fi
echo ""
info "DGX Spark Docker configuration complete."
info ""
info "Next step: run 'nemoclaw onboard' to set up your sandbox."
info " nemoclaw onboard"
47 changes: 19 additions & 28 deletions spark-install.md
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Expand Up @@ -2,19 +2,32 @@

> **WIP** — This page is actively being updated as we work through Spark installs. Expect changes.

## Prerequisites

- **Docker** (pre-installed, v28.x)
- **Node.js 22** (installed by the install.sh)
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- **OpenShell CLI** (installed via the Quick Start steps below)
- **NVIDIA API Key** from [build.nvidia.com](https://build.nvidia.com) — prompted on first run

## Quick Start

```bash
# Clone and install
# Install OpenShell:
curl -LsSf https://raw.githubusercontent.com/NVIDIA/OpenShell/main/install.sh | sh

# Clone NemoClaw:
git clone https://github.com/NVIDIA/NemoClaw.git
cd NemoClaw
sudo npm install -g .

# Spark-specific setup (configures Docker for cgroup v2, then runs normal setup)
nemoclaw setup-spark
```
# Spark-specific setup
sudo ./scripts/setup-spark.sh

That's it. `setup-spark` handles everything below automatically.
# Install NemoClaw using the NemoClaw/install.sh:
./install.sh

# Alternatively, you can use the hosted install script:
curl -fsSL https://www.nvidia.com/nemoclaw.sh | bash
```

## What's Different on Spark

Expand Down Expand Up @@ -42,28 +55,6 @@ Failed to start ContainerManager: failed to initialize top level QOS containers

**Fix**: `setup-spark` sets `"default-cgroupns-mode": "host"` in `/etc/docker/daemon.json` and restarts Docker. This makes all containers use the host cgroup namespace, which is what k3s needs.

## Prerequisites

These should already be on your Spark:

- **Docker** (pre-installed, v28.x)
- **Node.js 22** — if not installed:

```bash
curl -fsSL https://deb.nodesource.com/setup_22.x | sudo -E bash -
sudo apt-get install -y nodejs
```

- **OpenShell CLI**:

```bash
ARCH=$(uname -m) # aarch64 on Spark
curl -fsSL "https://github.com/NVIDIA/OpenShell/releases/latest/download/openshell-linux-${ARCH}" -o /usr/local/bin/openshell
chmod +x /usr/local/bin/openshell
```

- **NVIDIA API Key** from [build.nvidia.com](https://build.nvidia.com) — prompted on first run

## Manual Setup (if setup-spark doesn't work)

### Fix Docker cgroup namespace
Expand Down
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