How to connect and login into the Cirrus HPC and HTC clusters

Access to the CNCA clusters is only available to registered users.
To use the HPC services users need to login via SSH into a front-end server.
The login servers can be customized according to the user requirements (OS, Hardware resources, etc).
The login machines can be composed by a single server or multiple servers depending on the number of users.

CNCA-Lisbon (Cirrus-A) HPC and HTC

Access to the CNCA advanced computing facilities in Lisbon is performed via the following login servers.

cirrus.a.acnca.pt

CNCA-Vila Real (Cirrus-D) HPC and HTC

Access to the CNCA advanced computing facilities in Vila Real is performed via the following login servers.

ui101.d.acnca.pt
ui102.d.acnca.pt

Revision #25
Created 2019-02-20 17:47:05 UTC by João Pina
Updated 2026-07-10 16:16:05 UTC by Jorge Gomes