Accessing the Clusters ====================== The IT4Innovations clusters are accessed by SSH protocol via login nodes. !!! Note "Note" Read more on [Accessing the Salomon Cluster](../../salomon/shell-and-data-access.md) or [Accessing the Anselm Cluster](../../anselm-cluster-documentation/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/).