About C&CZ

C&CZ is the IT department for research and education of the Faculty of Science of Radboud University. We provide accounts, e-mail, storage, compute clusters, GitLab, software licenses, laptops, computer labs and more.

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CPK#1442 Elabftw major upgrade

We will upgrade Elabftw today between 11:00 and 17:00. Both elabftw.science.ru.nl and bigchemistryeln.nl are affected, and some downtime is expected. This is a major version upgrade, not a point release. If the upgrade does not go well, we will restore a backup and continue with Elabftw version 5 for the next couple of weeks.

Updated Oct 8, 2026

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Update on on-premise LLM service

In a previous news article we announced the availability of a local LLM with no connection to big tech. We haven’t really advertised it further, but we can say it has proven popular. Part of the reason to launch was to discover bottlenecks, well, we’ve discovered bottlenecks. Currently there are ~200 registrations and ~10 people online concurrently. Heavy users may have noticed that the service can be slow at times. Plans In order to make more efficient use of our server, we will: ...

Updated Jun 4, 2026

Matlab R2026a available

The latest version of Matlab, R2026a, is available. The software and license codes are directly available for Science accounts and can be requested by other entitled users by sending mail to the helpdesk. The software can also be found on the install-share. All C&CZ-managed Linux machines have this version installed, the older version (/opt/matlab-R2025b/bin/matlab) will be available temporarily.

Updated Oct 8, 2026

August 1st: B-Fac Active Directory Domain Decommissioning

Please be informed that the B-Fac Active Directory Domain will be permanently decommissioned on August 1st during the summer break. As a result, logging into Windows PCs using a science domain account will no longer be possible after this date. It is essential that all laptops and PCs running Windows 11 currently linked to the B-Fac domain are transitioned to local accounts before August 1st. Additionally, the virus scanner on these devices must be replaced. ...

Updated May 11, 2026

No more Windows in Huygens TKs as of academic year 2026-2027

Starting in the summer of 2026, Windows will be removed from the PCs in the computer labs in the Huygens building (TK023, 029, 075, 206, and 625). Linux will remain available on these PCs. In the summer of 2027, computers will be removed from 4 of the 5 labs; the 75 PCs in the largest room, TK075, will remain. See available computer labs for more details.

Updated Oct 8, 2026