Get an SSH-Enabled EVE-OS Image

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Introduction

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Prerequisites

• Docker is installed and running on your local machine.

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Get Your SSH Key

1. Check whether you already have an SSH key.

cat ~/.ssh/id_rsa.pub

2. If the output is blank, generate a new SSH key.

ssh-keygen -b 2048 -t rsa

3. Copy your SSH public key. You will add it to the image configuration in the next step.

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Add the Custom Configuration

1. Create a directory for your configuration files.

mkdir /tmp/config

2. Add your SSH public key to a file named authorized_keys. Replace PUBLIC_KEY_PATH with the path to your public key file (typically ~/.ssh/id_rsa.pub).

cat PUBLIC_KEY_PATH > /tmp/config/authorized_keys

3. Write your cluster hostname to a file named server. Replace the hostname with your actual cluster endpoint.

cat > /tmp/config/server <<EOF
zedcloud.zededa.net
EOF

4. Create a global.json file that enables SSH access.

cat > /tmp/config/global.json <<EOF
{
  "GlobalSettings": {
    "debug.enable.ssh": {
      "Key": "debug.enable.ssh",
      "ItemType": 3,
      "StrValue": "true"
    }
  }
}
EOF

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Generate the SSH-Enabled Installer

docker run -v /tmp/config:/in lfedge/eve:latest -f raw installer_raw > installer-ssh.raw

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Connect to Your Node via SSH

ssh -i YOUR_PRIVATE_KEY_PATH root@DEVICE_IP

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Next Steps