All IT4Innovations clusters are accessed by the SSH protocol via login nodes at the address **cluster-name.it4i.cz**. The login nodes may be addressed specifically, by prepending the loginX node name to the address.
!!! note
The **cluster-name.it4i.cz** alias is currently not available through VPN connection. Use **loginX.cluster-name.it4i.cz** when connected to VPN.
!!! note "Workgroups Access Limitation"
Projects from the PRACE workgroup can only access the Barbora and Salomon clusters.<br>Projects from the EUROHPC workgroup can only access the Karolina cluster.