introduction.md

# Accessing the Clusters

The IT4Innovations clusters are accessed by SSH protocol via login nodes.

!!! note
    Read more on [Accessing the Salomon Cluster](../../salomon/shell-and-data-access.md) or [Accessing the Anselm Cluster](../../anselm/shell-and-data-access.md) pages.

## PuTTY

On **Windows**, use [PuTTY ssh client](shell-access-and-data-transfer/putty/).

## SSH Keys

Read more about [SSH keys management](shell-access-and-data-transfer/ssh-keys/).

## Graphical User Interface

Read more about [X Window System](./graphical-user-interface/x-window-system/).

Read more about [Virtual Network Computing (VNC)](./graphical-user-interface/vnc/).

## Accessing IT4Innovations Internal Resources via VPN

Read more about [VPN Access](vpn-access/).