Table of Contents
Remote Workspace
The Lorentz Institute provides all of its users with access to a virtual workspace which emulates the Institute physical workstations and their custom software setup by means of only a web browser without the installation of plugins or extra software. The immediate advantages to the users are
| Access to the Lorentz Institute workstation setup from the comfort of your laptop, wherever you are, and without VPN or SSH tunnels |
| Access to your documents/files at the Lorentz Institute from a web browser window without installing extra software |
| Access to intranet services as you were physically located in your office |
On this page you will find a short guide to get you started using IL Remote Workspace. The impatient can see these example videos (accessible via intranet).
Login to Remote Workspace
| Browse to https://remote.lorentz.leidenuniv.nl Any modern browser would do, but Firefox and Chrome are advised |  |
| Access by using your Lorentz Institute credentials Your username is the part preceding the @ symbol |
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| Several failed login attempts will cause your IP to be banned To unblock your IP address contact the helpdesk |
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| The only bookmark that will work is https://remote.lorentz.leidenuniv.nl Other bookmarks will cause login errors |
Using Remote Workspace
Dashboard
 | Start/monitor/manage your remote sessions via the Dashboard View/edit/create/transfer files The system GUI cannot handle large files (max 1GB is advised) |
| Quota information and server status Do not ignore quota warnings, because many applications rely on free home space to work correctly |
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| The server should be able to handle up to 20 concurrent remote sessions Each interactive session allocates 4 CPUs and 16 GB RAM to a user A user can only request 1 session per time |
Interactive Apps
Access Interactive Apps via the toolbar Interactive Apps menu or via the Quick links buttons in the Dashboard. Choiches are - Lorentz Institute Workstation - Jupyter Notebook Workstations are preconfigured with several softwares |  |
| An interactive desktop or notebook (session) can last a max of 72 hours Past that mark, it will be terminated |
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| Connectons to an unterminated (active) session is always possible even after logging out by clicking on My Interactive sessions toolbar menu |
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 | An interactive session tab reports - session remaining time - allocated resources - link to debugging files |
The Session ID button will open a file browser to the session files Tune VNC compression and image quality for better experience |
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Active sessions can be terminated by clicking on the Delete button |
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| Really use a remote workstation as you wish |  |
| Launch a terminal start a screen session within the terminal Note though that any process associated to your session will be terminated if the session is killed |
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| Launch a browser browse to IL subscribed journal sites, browse the intranet |
Users who wish to use Jupyter Lab instead of the classic Jupyter Notebook must first launch a notebook and then substitute tree with lab in the window URL.
Files
 | Access your files by clicking on the Files dropdown menu on the toolbar Different users have access to different file locations |
| Seamlessly manage files stored on the IL disks Transfer files from/to your laptop using the browser No extra software or browser plugins needed |
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| The GUI does not to work well with large files (max 1GB) Transfer large files from/to using your favorite sftp client to ssh.lorentz.leidenuniv.nl |