Massed Compute Virtual Machine

https://vm-docs.massedcompute.com/docs/

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### Configure SSH Agent

Source: https://vm-docs.massedcompute.com/docs/settings/ssh-keys

Commands to initialize and start the SSH agent to manage private keys. Includes Windows PowerShell service management and macOS background process initialization.

```powershell
Get-Service -Name ssh-agent | Set-Service -StartupType 'Manual'
Start-Service ssh-agent
```

```bash
eval "$(ssh-agent -s)"
```

--------------------------------

### Copy Public Key to Clipboard

Source: https://vm-docs.massedcompute.com/docs/settings/ssh-keys

Reads the contents of the public key file and copies it to the system clipboard for easy pasting into the Massed Compute account settings.

```shell
clip < ~/.ssh/ALGORITHM.pub
```

--------------------------------

### Connect to Remote Instance

Source: https://vm-docs.massedcompute.com/docs/settings/ssh-keys

Establishes a secure connection to a remote VM using the specified private key identity file.

```shell
ssh -i ~/.ssh/ALGORITHM Ubuntu@VM_IP
```

--------------------------------

### Configure SSH Keychain Persistence

Source: https://vm-docs.massedcompute.com/docs/settings/ssh-keys

Updates the SSH configuration file to automatically load keys into the agent and keychain on macOS.

```text
Host *
  AddKeysToAgent yes
  UseKeychain yes
  IdentityFile ~/.ssh/id_ALGORITHM
```

--------------------------------

### Generate SSH Key Pair

Source: https://vm-docs.massedcompute.com/docs/settings/ssh-keys

Creates a new public/private key pair using specified algorithms like RSA or ed25519. This command is executed in the terminal and prompts for a file location and optional passphrase.

```shell
ssh-keygen -t ALGORITHM -C "your_email@example.com"
```

--------------------------------

### Terminate SSH Session

Source: https://vm-docs.massedcompute.com/docs/settings/ssh-keys

Standard commands to safely close an active terminal session connected to a remote instance.

```bash
exit
```

--------------------------------

### Add SSH Key to Agent

Source: https://vm-docs.massedcompute.com/docs/settings/ssh-keys

Registers a private key with the SSH agent for authentication. On macOS, this includes adding the key to the system keychain for persistence.

```powershell
ssh-add c:/Users/YOU.ssh/ALGORITHM
```

```bash
ssh-add --apple-use-keychains ~/.ssh/id_ALGORITHM
```

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