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Connectivity and Sessions

Use Connectivity & Sessions to bring devices online, start secure remote sessions (SSH / Remote Desktop), and manage active connections. This page ties together the device status model (Offline / Online / Connected), single & bulk connect/disconnect, and remote access workflows with security notes and troubleshooting.

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Status model​

Devices in Cordatus have three possible states: Offline, Online, Connected.
For short definitions, see Overview. Here we focus on how these states transition in practice:

  • Offline → Online
    When you sign in, Cordatus checks all devices. Those without connectivity show as Offline.
    Devices with internet but no active channel appear as Online.

  • Online → Connected
    To perform remote actions or open a session, you must connect the device.
    Clicking Online in the device row (or bulk connect) transitions it to Connected.

  • Connected → Online
    Disconnecting a device ends the session channel. The device returns to Online as long as it still has internet access.

Connection states

Status: Offline / Online / Connected

 

Connect and Disconnect​

Single device​

To connect:

  1. Go to Devices.
  2. In the Connection column of your target device, click Online to Connect.
  3. The state changes to Connected, and session actions become available.

Connect Single Device

Connect a Single Device

 

To disconnect:

  • Click Connected in the device row, or
  • Open the ellipsis (…) menu under Actions and choose Disconnect.

Disconnect Single Device

Disconnect a Device

 

Bulk connect/disconnect​

  1. Select devices using the checkboxes (or the header checkbox).
  2. Click Connect Selected in the bulk bar.

Connect Multiple Devices

Connect Multiple Devices

 

Remote Access​

Cordatus supports two remote access modes:

  • SSH Tunnel — Terminal access through a secure, brokered tunnel (no public IP/DNS or inbound port exposure required).
  • Remote Desktop — View/control a remote desktop or a specific window directly from your browser.

SSH Tunnel (secure tunneling)​

An SSH Tunnel is a brokered, short-lived, end-to-end encrypted tunnel that lets you SSH into a device without opening firewall ports—similar to “secure tunneling / OOB” solutions.

How to connect

  1. Go to Devices → target device.
  2. Click the ellipsis icon under the Actions column, next to the metrics icon, to reveal actions.
  3. Select Connect via SSH, which opens the Connect via SSH modal.
  4. In the modal, click Copy to copy the SSH command.
  5. Open your terminal and paste the command.
  6. Replace [USERNAME] with the OS username on the device.
  7. Press Enter and provide the user password.

 

info
  • If the terminal doesn’t accept Ctrl+V, right-click in the terminal and select paste.
  • Credentials are never stored in plaintext by Cordatus.
  • If the SSH connection fails or you encounter a timeout, the Cordatus SSH service may need to be restarted.
    You can restart it from Settings → General Settings → Cordatus SSH on either the web or client interface.
    See details → General Settings

Remote Desktop (browser-based)​

Control the remote UI from your browser. You can stream full screen or a single window.

How to connect

  1. Go to Devices → target device.
  2. Click the ellipsis icon under the Actions column, next to the metrics icon, to reveal actions.
  3. Select the Remote Desktop button, prompting the Active Windows modal.
  4. In Active Windows, choose a screen or window.
  5. Click Start Remote Desktop.

 

caution
  • Session quality depends on device GPU/CPU, network latency, and bandwidth.
  • Some OS dialogs (elevated privilege prompts) may not be capturable—use SSH if needed.