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Due to important security updates, we need to temporarily close access to the login nodes while they are being updated and rebooted. We are also performing a rolling update of the compute nodes, during which interactive access to compute nodes will be unavailable.Running batch jobs will continue to run normally and are not affected. Only new logins and interactive access are temporarily unavailabl

https://www.lunarc.lu.se/article/login-nodes-cosmos-cosmos-sens-temporarily-unavailable-due-security-updates - 2026-07-09