C&CZ

During the summer break all pcs in the computer labs will be replaced, because they are between four and seven years old. The new pcs will again be dual-boot, with Windows10 22H2 and Ubuntu 22.04. Lecturers who want to test their Linux course software, can do so on the Linux loginserver lilo8, that has Ubuntu 22.04. The new pcs are Dell Optiplex 7400 All-In-One. For employees with pcs with older versions of Ubuntu, this might be a good time to upgrade to Ubuntu 22....

The login server lilo6 with Ubuntu 18.04 has been turned off. Login servers are available during the support lifetime of the Linux version we install on them when a new long term support (LTS) version is released. We always provide current OS versions on the login servers, the version installed on our terminal PC’s is also on the login server called lilo.science.ru.nl. When newer LTS versions are available we also install a new login server....

In the week of April 17, C&CZ will to move to the new offices in wing 5 on the ground floor of the Huygens building. The C&CZ helpdesk will still have an entrance on the main street at HG00.051. See also our contact info.

An awayday for the C&CZ department is scheduled for Tuesday March 28. C&CZ can be reached in case of serious disruptions of services.

The latest version of Matlab, R2023a, is available for departments that have licenses. 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, an older version (/opt/matlab-R2022b/bin/matlab) is still 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....

The latest version of Maple, Maple2023, for Windows/macOS/Linux can be found on the Install network share and has been installed on C&CZ managed Linux computers. License codes can be requested from C&CZ helpdesk or postmaster.

Starting March 2023, external GitLab users of gitlab.science.ru.nl will be migrated to Science logins that only have access to GitLab. Until now, external GitLab logins were created in GitLab itself, separate from the Science login administration. By migrating the external GitLab users to Science logins with access to GitLab only, the management of these logins is improved. The requester (responsible for the Science login) can manage these logins in DIY....

A new version of Mathematica (13.2.1) 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 13.2.1 includes over a hundred bug fixes, feature enhancements, performance improvements and security updates....

There is a new version of LabVIEW from NI.com, version 2022Q3. NI.com communicated that they will move to a subscription model for LabVIEW licencing starting with version 2022Q3. C&CZ manages a FlexNet license server for LabVIEW 2022Q3, with a limited number of licenses and a deadline in April for extension of the license. Earlier versions of LabVIEW work standalone and unlimited in terms of time. The software can be found on the C&CZ Install disc....

The license for Mathematica has been expanded temporarily to an unlimited campus license for the whole of 2023: all employees and students may use Mathematica unlimitedly in 2023 on the RU network. For home use, one must therefore use a VPN. The software can be found on the C&CZ Install disc. During the installation you must specify: License server: mathematica.science.ru.nl License: L4601-6478 The introductory course “Mathematica Basic Principles: An Introduction” can be taken for free at CANdiensten in Amsterdam....