More information and manuals can be found on the VPL website.įor Troubleshooting, we kindly refer you to the detailed steps maintained by the VPL team at Troubleshooting The VPL (Virtual Programming Lab) software is an open source solution. Do not try to install it yourself if you lack these, instead contact your IT department or a IT contractor/support company. Note installing and maintaining VPL Execution Servers requires technical skills (a.o. See Programming - Admin: setup for executing programming questions for more details. There can be multiple execution servers (recommended!), Cirrus will check which execution server will be available. Enter the address of your Execution server, something like.Go to Admin > Global settings > 'VPL-tab'.This is how to set up the execution server in your Cirrus environment:

After succesful test, ensure it's started upon system start: systemctl enable vpl-jail-system.Check if it's running by opening your domain at SECURE_PORT in a browser, e.g.Start the service with the command: sudo systemctl start vpl-jail-system.(Our test with URLPATH failed, so keep it as URLPATH=/).For security chose a non-standard HTTPS port: e.g.Adapt MAXFILESIZE, MAXMEMORY, MAXPROCESSES to fit your expected use and server capacity.Stop the service: sudo service vpl-jail-system stop.NOTE: Install all programming languages which your authors intend to use, see also Supported Programming Languages.And follow the instructions (Knowledge of certificates and Letsencrypt is required).Unpack tar xvf vpl-jail-system-3.0.1.tar.gz.(Either way knowledge of certificates and Letsencrypt is required) Alternatively the certificate can also be set up by the installer. Ensure it has a domain name and valid certificate.Login to your clean Ubuntu server provisioned for the VPL Execution Server.Install a clean Ubuntu LTS server, 22.04 recommended.For reliability and performance we strongly advice you to provision multiple Ubuntu servers (different machines) with each an VPL Execution Server.

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