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.
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"
!!! 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.
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.