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If you wish to look at the Opal server or DataSHIELD logs:

  • Login into the Opal server using Launch the virtual machine

  • Log into the console window for the Virtual Machine using the options found here – it would be adviseable in this case to use the Ubuntu Terminal/Shell environment as it offers better funtionality of scrolling through the code compared to the virtual machine’s window.

  • Change to directory"/var/log/opal" 

    Code Block
    cd /var/log/opal

  • List the contents using:

    Code Block
     ls -lt

    (the "-lt" part of the command instructs it to list in order of most recent change).

  • The directory contains four log files: 

    • datashield.log

    • opal.log

    • rest.log

    • stdout.log

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Code Block
more stdout.log

Given these logs will likely be very long, you can hit space to see more, and q to quit.

Live Monitoring Logs

If you wish to create a blank slate to view what logs are created as you try to recreate a problem on the opal server, you can clear out the logs using the following steps.

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