Contact   howto

For all ICT related questions and problems within FNWI please contact C&CZ. Helpdesk & Sysadmin phone room mail +31 24 36 20000 HG00.051 +31 24 36 53535 HG00.545 Visiting address We are located on in the front part of wing 5, ground floor of the Huygens Building (rooms HG00.051, HG00.509 and HG00.545). The helpdesk is available during office hours (8:30 - 17:00)....

November 2, 2022 · updated September 17, 2023 ·  Bram

Disk quota   howto

Your personal quota only determine the amount of disk space your own data may occupy and the number of files and folders/directories you may have on your U:-disk / home directory. Quotas may be active on other disks as well, but not all disks have quotas. The mail servers also use quotas to limit the disk space of each user’s mailbox. Windows On Windows desktops where the home directory is available as U: or H: disk right click on the disk, then choose Properties to view the amounts of used and available personal disk space in kbytes....

September 13, 2023 · updated September 17, 2023 ·  Ben

CNCZ Medewerkers   howto

Department head Bjorn Bellink Secretary Astrid Security and Privacy Paul Edwin System administration and development Remco Peter Bram Miek Wim Eric Simon Ben Erik Application development Remco Alexander Fred Operations/Helpdesk/User support/datacenter Bjorn Honing John Stefan Bert Dominic There also is a list of former employees....

August 29, 2023 · updated September 17, 2023 ·  Peter

Module command for optional software versions   howto

On C&CZ managed Ubuntu hosts, the “module” command is available. This makes it easy to use specific versions of available software. To view which modules are available, use: module avail and to use Matlab-R2023a: module add Matlab-R2023a` For more info, see the Environment Modules website.

August 25, 2023 · updated September 17, 2023 ·  Peter

Snapshots with ZFS   howto

Info In July/August 2023 ZFS snapshots will be enabled on (newer) network shares. Network shares with ZFS as file system have the ability (which C&CZ turns on by default) to make snapshots. A snapshot is a read only copy of the share that has been made at some point in time. Such snapshots allow you to find previous versions of your files. On most shares that snapshots go back 45 days....

July 5, 2023 · updated September 17, 2023 ·  Miek

Hardware servers   howto

Servers and Workstations C&CZ manages ca. 900 Linux workstations and servers, and ca. 900 servers and workstations with MS-Windows, primarily in the domain Dual boot Windows/Linux machines are counted twice. The ca. 350 servers are distributed over three datacenters, ca. 150 have a fast network connection (25 Gb/s). Workstations C&CZ manages (for departments) workstations with Ubuntu Linux or MS-Windows. There are also workstations in the PC-rooms for general use by anybody with a Science login, but also by all RU employees and students and guests with a temporary login....

May 8, 2023 · updated September 17, 2023 ·  Simon

E-mail and spam   howto

E-mail The faculty of Science has its own mailserver where the e-mails are stored. You can reach this mailserver using a mailclient like thunderbird or one of our webmail clients: Roundcube Rainloop The mailserver has limited space, so we’ve set an initial limit (quota) on the size of the mailbox to 5 gigabytes. When you are notified that your mailbox is getting full, the preferred response is to clean up, for instance by removing the attachments of the largest e-mails in your Sent folder....

April 25, 2023 · updated September 17, 2023 ·  Peter

Remote Assistance   howto

C&CZ helpdesk can assist you by taking over your screen using TeamViewer. In case you are requested to download TeamViewer, use the following link:

January 27, 2023 · updated September 17, 2023 ·  Simon

Mounting a network share   howto

What path to mount? The storage page describes the paths for your home directory and network shares. Once you know what network share to mount, follow the steps for your operating system below. Info A VPN connection is required when accessing these paths from outside of the RU network. If you have trouble connecting to a network share after following the steps below, do not hessitate to contact us....

January 16, 2023 · updated September 17, 2023 ·  Bram

Temp share   howto

Shared temporary storage It sometimes happens that you want to send one or more large files to someone within the faculty, e-mail is not suitable for this. To make this easier, the network disk temp is available. You can temporarily store large files here. These can then be copied from this location by someone else. C&CZ systems Path Instructions Microsoft Windows \\\temp connect network share Linux /vol/temp Own systeem Path Instructions Microsoft Windows \\temp-srv....

January 13, 2023 · updated September 17, 2023 ·  Bram