Difference between revisions of "Nieuws"

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[[Gebruiker:Petervc|Peter van Campen]] 30 mrt 2021 18:01 (CEST)
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Revision as of 17:35, 20 April 2021

To be quickly informed about service interruptions one can subscribe to the CPK mailinglist.

Archived news items can be found in the news archive.


Mailman lists sender address change: from sender to list address

DMARC is increasingly being used as a spamfilter, checking whether the sender ought to send mail via this route. To comply with this for mail sent through Mailman, we will change the From: sender address to the list address. The current:

> From: Some User <>
> Sender: "listname" <>

will be changed to:

> From: Some User via listname <>
> Reply-To: Some User <>
> Sender: "listname" <>

If you filter or forward mail automatically, you might need to change the filter.

Peter van Campen 20 apr 2021 11:22 (CEST)

Linux login server lilo5 decommissioned

The support for Ubuntu 16.04 LTS ends on April 30th, 2021. Therefore we will turn off lilo5 with this version of Ubuntu on May 1st, 2021. The default login server (lilo.science.ru.nl) points to lilo7 with Ubuntu 20.04 LTS, but lilo6 with Ubuntu 18.04 LTS will remain available until support for this version ends in 2023. The signatures of the C&CZ loginservers can be checked. Please also check these tips for improving your SSH settings tips for improving your SSH settings.

Simon Oosthoek 20 apr 2021 11:10 (CEST)

Maple new version: Maple2021

The latest version of Maple, Maple2021, 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 by departments that take part in the license.

Peter van Campen 30 mar 2021 18:01 (CEST)

Windows 7 computers disabled in B-FAC domain

Because of security issues the last remaining Windows 7 machines wil be disabled, effective 24-03-2021, as member of the Active Directory Domain B-FAC. Please upgrade these computers to a more up-to-date OS. See also previous announcements on Windows 10 and the end of Windows 7.

Wim Janssen 23 mar 2021 10:22 (CET)

Matlab R2021a available

The latest version of Matlab, R2021a, 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 will soon have this version installed, an older version (/opt/matlab-R2020a/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.

Peter van Campen 19 mar 2021 18:36 (CET)

Signed SSH keys for loginservers and compute clusternodes

From now on, C&CZ signs the SSH keys of e.g. loginservers and compute clusternodes. That makes it possible for users, as explained on that page, to add the public signing key in the private .ssh/known_hosts, which makes one trust all C&CZ signed SSH servers. Whenever C&CZ deploys a new 'lilo', the question whether this might be spoofing will not occur then.

Ben Polman 9 mar 2021 23:53 (CET)

Site license for Gaussian 16 and GaussView 6

Organic Chemistry purchased a site license for the use of Gaussian 16 and GaussView 6 with the GMMX Module on Linux. The software has been installed on the cn-cluster. Departments that want to use this, can contact Prof. Jana Roithova or Postmaster.

Ben Polman 9 mar 2021 23:20 (CET)

Major RU network maintenance Saturday Feb. 27 08:00-20:00

The ISC announced that Saturday February 27 08:00-20:00 major RU network maintenance work will be carried out. This will mean that all RU services will be unavailable several times for at most an hour. This concerns all RU services including those of FNWI/C&CZ: e-mail, VPN, wifi, BASS, OSIRIS, Brightspace, Syllabus+, Corsa, etc.

Peter van Campen 24 feb 2021 14:07 (CET)

End of Science OpenID service

The Science OpenID-service, that was introduced in 2007 as authentication method for the wikis managed by C&CZ, will be terminated March 1, 2021. All wikis will be switched over to a more modern authentication method via SAML.

Remco Aalbers 26 jan 2021 17:39 (CET)

New improved installation methods for Matlab

The old installation method, used with Matlab R2020b, highlighted several problems for some users. The solution was found in a different installation method. Some users will prefer the new method, others the old one. Each has its pros and cons. The new installation method makes Matlab easy to install, also for older versions and can be done with a small download if you only want a few toolboxes. But it requires signing in at The MathWorks and thus has a more complex workflow. The old installation method does not require registration and has an easy workflow, but it always requires a large download and non-expert macOS users will find it troublesome because the newest macOS version will quarantine the download.

Peter van Campen 26 jan 2021 17:28 (CET)

New version of Mathematica (12.2.0)

A new version of Mathematica (12.2.0) has been installed on all C&CZ managed Linux systems, older versions can still be found in /vol/mathematica. The installation files for Windows and Linux can be found on the Install-disk, also for older versions of Mathematica. Departments that take part in the license can request installation and license info from C&CZ.

Peter van Campen 5 jan 2021 17:10 (CET)

Matlab R2020b available

The latest version of Matlab, R2020b, 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 will soon have this version installed, an older version (/opt/matlab-R2020a/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.

Peter van Campen 25 sep 2020 17:51 (CEST)

Microsoft Windows 10 upgrade

Microsoft Windows 10 upgrade available for C&CZ managed PCs in the Software Center.

We urge everyone to upgrade managed PCs during the next few weeks. End of October this upgrade will be made mandatory, due to the lifecycle policy for Windows 10 products.

For C&CZ managed PCs please contact the C&CZ helpdesk for assistance in case of problems. For other pcs, they can also offer assistance.

Wim Janssen 24 Sep 2020 09:00 (CET)

AWS Research Immersion Day for RU Tuesday Sep 29, 13:00-16:00

13:00 – 13:05: Welcome
13:05 – 13:45: Research Computing on AWS (including short introductions on cost management, data privacy and sustainability)(various speakers)
13:45 – 14:25: Jupyter Notebooks on AWS (Nicolas Metallo)
14:25 – 14:30: Break
14:30 – 15:45: HPC on AWS (John Segers)
15:45 – 16:00: Q&A and closing

This is an online meeting, powered by Amazon Chime. Meeting info on request. Background information: https://aws.amazon.com/government-education/research-and-technical-computing.

Bjorn Bellink 23 sep 2020 23:15 (CEST)

SPSS Fix Pack 25.0.0.2 on Install network share

A Fix Pack for SPSS 25, is available on the Install network share.

Peter van Campen 27 aug 2020 15:04 (CEST)

Test of Ubuntu 20.04 on Linux login server lilo7

As a test of the new version of Ubuntu, 20.04 LTS, we have installed a new login server lilo7.science.ru.nl. In a few months it will replace the four year old login server lilo5. The name lilo, that always points to the newest/fastest login server, will then be moved from the more than two year old lilo6 to the new lilo7. The new lilo7 is a Dell PowerEdge R7515 with 1 AMD 7502P 2.5GHz 32-core processor and 64GB RAM. Because we enabled hyper-threading, it is showing 64 processors. For users who want to check the identity of this new server before supplying their Science-password to the new server, see the section about our loginservers. Please report all problems with this new version of Ubuntu Linux.

Simon Oosthoek 6 aug 2020 13:41(CET)

TeX Collection 2020

The most recent version of the TeX Collection, 2020, is available for MS-Windows, Mac OS X and Linux. It can be found on the Install network share.

Peter van Campen 28 jul 2020 18:03 (CEST)

Adobe Creative Cloud new version for macOS

A new version of the Adobe Creative Cloud software (Acrobat, Illustrator, Photoshop etc., now also Premiere Pro and Audition) is available for macOS, including macOS 10.15 Catalina. The license permits use on devices owned by Radboud University. The installation proceeds through the Adobe Creative Cloud Desktop app, which gives the choice of RU licensed Adobe products after logging in with an Adobe account. Detailed install instructions can be requested from the C&CZ helpdesk.

John Peters 25 jun 2020 17:25(CEST)

New version of Mathematica (12.1.1)

A new version of Mathematica (12.1.1) has been installed on all C&CZ managed Linux systems, older versions can still be found in /vol/mathematica. The installation files for Windows and Linux can be found on the Install-disk, also for older versions of Mathematica. Departments that take part in the license can request installation and license info from C&CZ.

Peter van Campen 19 jun 2020 18:04 (CEST)

Webmail: Roundcube new version suited for mobile devices

The webmail service Roundcube had an major update, with a new user interface, suited for smartphones. Resending/bouncing mails is now also possible. For all new functionality, see the project website. Roundcube has lots of possibilies, like managing the sharing of mail folders with other users and the filtering of mail directly at the moment of arrival at the server. For more information, see our mail page.

Ben Polman 9 jun 2020 23:05 (CEST)

Mail quota enlarged to 5 GB

The quota for the Science mailboxes has been enlarged to 5 GB for users that had less quota. Please mail postmaster if you need more quota. The mailboxes are being backed up every evening.

Erik Joost Visser 18 may 2020 13:51 (CEST)

Matlab R2020a available

The latest version of Matlab, R2020a, 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 will soon have this version installed, an older version (/opt/matlab-R2019b/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.

Peter van Campen 1 apr 2020 14:58 (CEST)

New version of Mathematica (12.1.0)

A new version of Mathematica (12.1.0) has been installed on all C&CZ managed Linux systems, older versions can still be found in /vol/mathematica. The installation files for Windows and Linux can be found on the Install-disk, also for older versions of Mathematica. Departments that take part in the license can request installation and license info from C&CZ.

Peter van Campen 27 mar 2020 11:07 (CEST)

Maple new version: Maple2020

The latest version of Maple, Maple2020, 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 by departments that take part in the license.

Peter van Campen 26 mar 2020 14:36 (CET)

Facilities for working from home

We created an overview of IT facilities that can be used to work from home.

Bram Daams 15 mar 2020 12:51 (CET)

MS Windows 10: newer version on Install network share

A newer version of Microsoft Windows, 10, is available on the Install network share. The license permits upgrade to this version on university computers. License codes can be requested from C&CZ helpdesk or postmaster. For privately owned computers you can order this software relatively cheap at Surfspot. The added version is: 1909.

Peter van Campen 25 feb 2020 11:31 (CET)

MS Windows 10: newer versions on Install network share

Newer versions of Microsoft Windows, 10, are available on the Install network share. The license permits upgrade to these version on university computers. License codes can be requested from C&CZ helpdesk or postmaster. For privately owned computers you can order this software relatively cheap at Surfspot. The added versions are: 1809 with Multilanguage Pack and 1903.

Peter van Campen 18 dec 2019 15:02 (CET)

New data storage: Ceph

Recently C&CZ presented an extra choice for data storage, next to the traditional RAID storage on individual fileservers: Ceph. The main advantages of Ceph are, that is scales almost without limits and does not have a single point of failure, but instead is "self-healing" and "self-managing". Within Ceph storage, choices can be made, the more expensive ones have no problem when a complete datacenter goes down. The Ceph storage can also be used as S3-storage. Because of the cluster setup, performance of Ceph storage can be surprising: writing is in general faster than reading, especially with many small files, Ceph can be much slower than traditional storage. If you want to try whether Ceph suits you, please contact C&CZ.

Simon Oosthoek 17 dec 2019 16:15 (CET)

New license period for Mathematica coming up

The current license period for Mathematica will end soon, departments interested in using Mathematica in the next contract period of 3 years can contact C&CZ.

Ben Polman 26 nov 2019 12:13 (CET)

EduVPN also gives access to Science services

For quite some time, SURF EduVPN has been the standard VPN for central RU services. Now all VPN-protected Science services that are also accessible from the Science VPN services and/or from RU Eduroam, can be accessed from SURF RU EduVPN. This includes network drives, license servers, websites, protected labs, access to workplaces and special services such as telgids/ldap/kerberos.

Peter van Campen 25 oct 2019 15:57 (CEST)

Adobe Creative Cloud license prolongation

Starting Adobe Creative Cloud software (Acrobat, Illustrator, Photoshop etc.) gives the error message that the license will expire November 29, 2019. For the C&CZ managed pc's this will be solved before that time. If you manage a Windows pc or Mac, that is owned by FNWI and has Adobe Creative Cloud software installed, please contact the C&CZ helpdesk to have the license prolonged. Checking the expiry date can be done with AdobeExpiryCheck from the Install share.

Peter van Campen 11 oct 2019 13:36 (CEST)

Mac: wait with upgrade to macOS Catalina

The brand new macOS Catalina is now available. It is **not** a good idea to upgrade with the first group of users, this will give problems. Up till now, we received reports about Adobe software not working, F-Secure Client Security not working, MestreNova not working, EndNote needing an upgrade to 9.3.1 or higher, Science VPNsec only working after reinstalling VPN. For more information what could go wrong, see Hold Off Catalina and Wait on Catalina. If the upgrade has already been done, the problems can be solved by installing an older version of macOS and restoring files with Time Machine.

Peter van Campen 10 oct 2019 14:45 (CEST)

Matlab R2019b available

The latest version of Matlab, R2019b, 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 will soon have this version installed, an older version (/opt/matlab-R2019a/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.

Peter van Campen 27 sep 2019 16:27 (CEST)

Intel compilers update

Update 5 of the Intel Parallel Studio XE Cluster Edition for Linux 2019 has been installed in /vol/opt/intelcompilers and is available on a.o. clusternodes en loginservers. The older (2019u4, 2019 and 2014) versions can also be found there. To set the environment variables correctly, BASH-users must first run:

source /vol/opt/intelcompilers/intel-2019u5/composerxe/bin/compilervars.sh intel64

After that, icc -V gives the new version number as output. For more info see the page on Intel compilers

Peter van Campen 26 sep 2019 17:42 (CEST)

Lilo and Stitch swapped

As was announced earlier, the linux login (ssh) servers (lilo5.science.ru.nl and lilo6.science.ru.nl) have swapped their nicknames, which makes Ubuntu 18.04 the standard instead of Ubuntu 16.04. The name lilo.science.ru.nl now refers to lilo6.science.ru.nl and stitch.science.ru.nl now refers to lilo5.science.ru.nl. If you get complaints about changed finger-prints, you know why. See also the page about servers.

Simon Oosthoek 4 sep 2019 16:33 (CEST)

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