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 "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.