Every half year we do clusternode maintenance, with at least a package ugprade and a reboot, but sometimes other maintenance can happen, such as changes in filesystems or network configurations. The upcoming date for this maintenance is February 6th, 2026 (Friday)
We would like to draw your attention to a short survey regarding the services provided by C&CZ. We would really appreciate it if you would take a few minutes to provide us with feedback. Based on the results, we will determine how we can further improve our services for the faculty in the coming years. Thank you very much in advance for your response! Note ...
To counteract email spoofing, the following changes are forthcoming, affecting the way email can be sent. Science SMTP authentication requirement from specific networks Currently, it is possible to send emails via SMTP without authentication when connected to the campus network. For user devices, it has always been recommended to use authenticated SMTP. Starting from January 8, 2024, C&CZ will no longer allow unauthenticated SMTP from user networks. The first networks for which this policy will be enforced will be Eduroam and VPN. ...
The license of Maple has been continued in 2024 as a 2-user license. All FNWI employees and students are allowed to use Maple. If you want to use Maple, please contact C&CZ.
Because the old poster printer broke down, we ordered an HP Designjet Z6 44 inch postscript. The new printer is twice as fast, so the speed of service will be even better. See the poster printer page for all details.
The newest versions of the Intel compilers, available under the name Intel oneAPI, do no longer require a license, they are freely available. The 2023.2 version has been installed on C&CZ managed Ubuntu systems, clusternodes with Ubuntu 22.04 and loginservers. When these compilers are available, the module command module avail will list among others “compiler/latest”. Then e.g. the Intel C (icc) and Fortran (ifort) compilers can be used after typing module add compiler/latest ...
A new version (2023b) of OriginLabPro, software for scientific graphing and data analysis, can be found on the Install-disk. See the website of OriginLab for all info on the new version. The license server supports this new version. There is a support contract until August 2026. Departments within FNWI can request installation and license info from C&CZ, also for standalone use. Installation on C&CZ managed PCs is being planned. In case of questions contact C&CZ. ...
The latest version of Matlab, R2023b, is available. The software and license codes can be obtained through a mail to postmaster for those entitled to it. The software can also be found on the install-disc. All C&CZ-managed Linux machines have this version installed, the older version (/opt/matlab-R2023a/bin/matlab) will be available temporarily. The C&CZ-managed Windows machines will not receive a new version during the semester to prevent problems with version dependencies in current lectures. ...
On October 2, the newest login server lilo8, that runs the same version of Ubuntu as the pcs in the computer labs, Ubuntu 22.04, will become the default lilo.science.ru.nl loginserver. Lilo7, with Ubuntu 20.04, will then get tha alias ‘stitch’ for the alternate loginserver. To prevent warning messages about changed fingerprints, read the page about servers and/or the SSH info page.
In accordance with new RU policy, from November 1, Science login accounts will be disabled automatically when the end date is reached. From that moment it is not possible to use that account for C&CZ services. One month before the end date, the responsible contact person will be notified. If the end date is only two weeks ahead, the account holder will be notified. One month after the end date, the account will be removed from C&CZ managed services like the Science mailservice and homedirectory. It is advisable for contact persons to take a more pro-active approach to maintaining the end-dates of the accounts they are responsible for, to prevent accidental disabling of accounts. Continuation of an account can also be a security risk, so end-dates should not be extended unreasonably long. ...
A new version of Mathematica (13.3.1) has been installed on all C&CZ managed Linux systems, older versions can still be found in /vol/mathematica. When connected wired or wireless on campus or through VPN, the software for Windows, Linux and macOS can be found on the C&CZ Install disc. During the installation you must specify: License server: mathematica.science.ru.nl License: L4601-6478 According to the Mathematica Quick Revision History: “Version 13.3.1 includes multiple critical bug fixes and improvements to Chat-Enabled Notebook stability and usability.” ...